PK sockets with interlock switch (en)
PB102247
PK sockets
with interlock switch
Index
General presentation
Selection guide
PK Unika series
PK Isoblock series
50
52
54
62
PK Sockets
with interlock switch
General presentation
Discover
A complete range in order to
guarantee safety, reliability
and functionality
PK sockets with interlocked switch are
available in three different ranges of solutions
to meet the various installation and protection
needs depending on different installation
environments.
A very versatile range, rich in
functional characteristics, easy
installation and guaranteeing
maximum safety, and suitable
for the most specific
requirements.
PB102248
❑ PK Unika: highly functional features and
very versatile installation system;
❑ PK Isoblock: for installation in high-risk
areas
Safety
In conformity with IEC 60309 standards, all the industrial sockets
have a lock or holding mechanism, which keeps the plug firmly
locked in the socket, preventing it from being pulled out involontarily.
Sockets with an interlock switch have been designed to meet the
safety requirements and, in particular, to prevent plug insertion or
removal while the socket is under load.
Their interlocking device allows closure of the main switch and,
subsequently, the power supply only when the plug is fully inserted in
the socket, and when complete mechanical and electrical connection
has occurred between the sleeves and pins.
Plug removal is possible only when the switch is in the ‘off’ position.
The use of these solutions is compulsory in accordance with the
regulations in force, e.g. in places where there is a risk of explosion
or fire. However, in order to prevent dangerous contacts capable of
causing overheating and consequently insulation deterioration or the
outbreak of a fire, it is always advisable to adopt this safety
measures. In this way the user has the guarantee that current can
only be accessed under optimum safety conditions with the plug
correctly inserted.
50
Schneider Electric
Discover
PK Sockets
with interlock switch
Applications
Domain of applications
Tertiary:
❑ bars, shops, supermarkets, for powering small
electrical appliances (refrigerator, ovens, fryers,
blenders, ...), machines and fixed or movable
lighting equipment.
❑ Large shopping centres, exhibition centres,
television studios, film studios, swimming-pools,
fitness centres, for powering fixed or movable
lighting equipment.
PB102249
Interlocked sockets can be employed in various
different sectors, for example:
Industry:
for powering all kinds of fixed and movable
machines and on machinery in the following
sectors:
❑ Crafts men and small industries : workshops,
car-repair garages, printing works, carpentry
workshops, etc.
❑ Industry: departments for textile manufacture,
mechanical and plastic production processes,
industrial processes, technical environments,
warehouses, etc.
Construction sites:
fixed or movable powering of machinery and
equipement in:
❑  buiding sites (cement-mixer crane, electric saws,
pneumatic drills, etc. ...),
❑  shipyards, ports, docks, wharves and tourist ports
(equipment for welding, drilling, vireting, etc. ...)
Agriculture:
fixer of movable powering of machinery and
equipment (chicken coops, barns, hot houses,
cowsheds, stables and pigsties, ...)
PB102250
Heavy industry:
for powering all kinds of fixed and movable
machines in major industry with hazardous
environments as regards danger of explosion, fire
and mechanical stress (chemical, oil and iron
steel) infrastructures, where there are particularly
harsh environmental conditions.
Standard regulations provide the compulsory use
of sockets with interlock switch in the following
cases:
❑ Public entertainment and meeting rooms, for
current over 16A;
❑ Environments where there is danger of
explosions and fire, in conformity with the CEI
64-2 standard.
Besides all the other cases provided by the
standards, the use of interlocked sockets is
definitely compulsory in applications where:
❑ the occurrence of electric arcs could cause
explosions and fires;
❑ operator inexperience could give rise to
hazardous situations;
❑ in the event of operations needing to be
performed in the presence of short circuits.
Schneider Electric
PB102251
Applications standards
51
Select and understand
PK Sockets
with interlock switch
Selection guide
PK Unika
Panel-mounted version
PK Sockets with interlock switch
IEC 60309-1 and IEC 60309-2
Rated
Poles and
Frequency
nominal
wires
A
Hz
2 P+ 3 P+ 3 P+N+
Rated
voltage
Clock position
of contact
V
50/60
50/60
100-130 V
50/60
4 h
4 h
4 h
Protected by
FUSE carrier
IP 44
IP 65
IP 44
IP 65
82028
82029
82030
82078
82079
82080
82128
82129
82130
82178
82179
82180
50/60
6 h
82031
82081
82131
82181
2 P+ 3 P+ 50/60
200-250 V
9 h
82032
82082
82132
82182
            16A
3 P+N+ 50/60
9 h
82033
82083
82133
82183
50/60
9 h
82034
82084
82134
82184
2 P+ 3 P+ 50/60
380-415 V
6 h
82035
82085
82135
82185
3 P+N+ 50/60
6 h
82036
82086
82136
82186
50/60
7 h
82037
82087
82137
82187
3 P+ 480-500 V
3 P+N+ 50/60
7 h
82038
82088
82138
82188
50/60
4 h
82039
82089
82139
82189
2 P+ 3 P+ 50/60
100-130 V
4 h
82040
82090
82140
82190
3 P+N+ 50/60
4 h
82041
82091
82141
82191
50/60
6 h
82042
82092
82142
82192
2 P+ 3 P+ 50/60
200-250 V
9 h
82043
82093
82143
82193
            32 A
3 P+N+ 50/60
9 h
82044
82094
82144
82194
50/60
9 h
82045
82095
82145
82195
2 P+ 3 P+ 50/60
380-415 V
6 h
82046
82096
82146
82196
3 P+N+ 50/60
6 h
82047
82097
82147
82197
50/60
7 h
82048
82098
82148
82198
3 P+ 480-500 V
3 P+N+ 50/60
7 h
82049
82099
82149
82199
50/60
4h
3 P+ 100-130 V
3 P+N+ 50/60
4 h
2 P+ 3 P+ 3 P+N+
3 P+ 3 P+N+
3 P+ 3 P+N+
            63 A
50/60
50/60
200-250 V
50/60
6 h
9 h
9 h
50/60
380-415 V
50/60
6 h
6 h
50/60
480-500 V
50/60
7 h
7 h
PK Sockets with safety transformer
IEC 60309-1 and IEC 60309-2
Rated
power
VA
16A
Number Rated voltage
primary
secondary
of socketsVVIP 44IP 65
and type
1 x 2 P 16A
230 V
24V
82026
82076
1 x 2 P 16A
400 V
24V
82027
82077
Wall and embedded box
Number
Embedded
of sockets
box
1
83924
1 unmarked walls
1 wall with knock-outs
1 with junction box
2 with junction box
3 with junction box
52
Schneider Electric
PK Unika
PK Isoblok
Wall-mounted version
Wall-mounted version
Protected by
FUSE carrier
IP44
IP65
IP44
IP65
Protected by fuse carrier
With DIN rail
IP65
with warning device
IP65
IP65
IP65
83028
83029
83030
83078
83079
83080
83128
83129
83130
83178
83179
83180
83451 
83452 
83453 
83351 
83352 
83353 
82751 
82752 
82753 
83031
83032
83033
83081
83082
83083
83131
83132
83133
83181
83182
83183
83454 
83455 
83456 
83354 
83355 
83356 
82754 
82755 
82756 
83034
83035
83036
83084
83085
83086
83134
83135
83136
83184
83185
83186
83457 
83458 
83459 
83357 
83358 
83359 
82757 
82758 
82759 
83037
83038
83087
83088
83137
83138
83187
83188
83461 
83462 
83361 
83362 
82761 
82762 
83039
83040
83041
83089
83090
83091
83139
83140
83141
83189
83190
83191
83463 
83464 
83465 
83363 
83364 
83365 
83788 
83789 
83790 
82763 •
82764 •
82765 •
83042
83043
83044
83092
83093
83094
83142
83143
83144
83192
83193
83194
83466 
83467 
83468 
83366 
83367 
83368 
83791 
83792 
83793 
82766 •
82767 •
82768 •
83045
83046
83047
83095
83096
83097
83145
83146
83147
83195
83196
83197
83469 
83470 
83471 
83369 
83370 
83371 
83794 
83795 
83796 
82769 •
82770 •
82771 •
83048
83049
83098
83099
83148
83149
83198
83199
83473 
83474 
83373 
83374 
83797 
83798 
82773 •
82774 •
82876 •
82877 •
82778 •
82777 •
82878 •
82879 •
82880 •
82776 •
82779 •
82780 •
82882 •
82883 •
82782 •
82783 •
82885 •
82886 •
82785 •
82786 •
IP44
83026
IP65
83076
1 P
IP65
82061 •
IP65
82062 •
83027
83077
82063 •
82064 •
2 P
Modular basis
wall mounting
box
83919
83920
83921
83922
83923
Schneider Electric
Modular panels
Number and type
with junction
sockets
box
 83925
1 x B16
 83926
2 x B16
1 x 32/63
• 83927
 = Sockets 106 mm width
with modular
enclosures
 83325
 83326
• 83327
• = Sockets 144 mm width
53
Discover
PK sockets with interlocked switch
PK Unika
General presentation
A complete range of solutions
in one standard size
The new range of PK Unika sockets with
interlocked switch has been designed to
provide a complete range of interlocked
sockets in different versions, in terms of level
and type of protection, all having unified
standard sizes in order to permit quick
installation, and combined fitting on empty
enclosures with a standard 103x225 opening.
The only complete, unique industrial socket
installation system, with guaranteed IP65
protection.
Unique because of the following:
❑ one standard size 103 x 225 mm
❑ for 16 and 32A sockets
❑ for IP44 and IP65 versions
❑ for versions protected by fuses, without
protection, with insulation transformers
❑ Fitted wall-mounted, used individually, in
combination or in the Kaedra system.
54
PB102252
Compact, unified sizes, versions
with IP44 and IP65
protection, panel and wallmounted, with or without
integrated protection, all
sockets provide quick solutions
to the most demanding
applications.
Safety
The PK Unika series
interlocked sockets
are equipped with a
mechanical switch,
which ensures the
control and local
isolating of parts of
the plant or utilities to
permit intervention on
electrical circuits or
machines in total
safety.
The sockets are in
conformity with IEC
60309-2 standards.
Protection
The fuse-protected
versions have fuseblocks with isolators
placed under the
front protection and
accessible only when
the switch is open
and plug removed
and, thus, in the total
absence of voltage.
Thanks to the fuse
clips, the contact
pressure on the fuses
remains constant
independent of
installation
operations,
preventing excessive
overheating, harmful
to their functioning
and duration.
High
resistance
All housings of the PK
Unika interlocked
socket series provide
guaranteed IP44 and
IP65 protection
against the
penetration of solids
and liquids, in
conformity with the
IEC 60529 and EN 60
529 standards, while
resistance to
mechanical shocks is
covered by IK09
protection, in
conformity with EN 50
102 standards. The
structure and
supporting frame of
the equipment
completely separated
from the housing and
the double walls,
contribute to greatly
increasing the
mechanical
resistance.
Schneider Electric
Discover
PK sockets with interlocked switch
PK Unika
Key points
Compact size
PG148095
PG148006
PG148011
All the PK Unika sockets with interlocked
switch come in one standard size of 103 x
225 mm., which makes them the most
compact currently available on the market,
guaranteeing at the same time ultra-high
performance in terms of safety and
functionality.
The PK Unika socket series are available in
different versions, either with IP44 or IP 65
protection, as follows:
❑ Interlocked version with carrier for
CH10.3x38 cylindrical fuses with high
interruption capacity;
❑ Version with safety lock switch only
❑ Version for extra-low voltage with 160VA
safety transformer.
All are characterized by the same dimension
and, therefore, can be easily interchanged on
the 103x225 holes.
PB102254
Differentiated functions in
one single size
Design
PB102255
Design is another important aspect of this
new range. Developed following careful
studies both on aesthetics and ergonomy, the
range includes modern shapes designed for
applications in the tertiary sector as well as in
public areas without spoiling the architectural
surroundings with purely technological
features.
PK Unika series sockets can be installed
either on single enclosures or modular
bases, and can be combined to form
complete, totally protected banks. Also, they
can be fitted on a new range of Kaedra
system socket panels designed specifically
for PK Unika, enabling the construction of
interlocked socket panels with the possibility
of differential protection integrated as a main
switch in the modular section of the panel.
Schneider Electric
PB102256
Kaedra System
and modular bases
55
Select and understand
PK sockets with interlocked switch
PK Unika
Protected by disconnect fuse carriers
Panel-mounted and wall-mounted version
Their technical, functional and aesthetic
qualities make them particularly suitable
for installation in the tertiary and
industry sectors.
Characteristics
■ Manufactured according to IEC 60947-3 with the following technical features:
Operating voltage Rated current
AC22
AC23A
400 V
16A
20A
9,5 kW
32A
32A
16 kW
■ the switch can be externally padlocked into position «0» and «1»
■ disconnect fuse carriers for CH10,3 x 38 type fuse, complying with IEC 60269
■ access lid to fuse curriers can be opened only with the switch in position “0”
■ degree of protection, according to IEC 60529: IP44 and IP65
■ degree of protection against external mechanical impacts, according to EN 50 102: IK09
■ resistance to fire and abnormal heat, according to IEC 60695-2-1: 750°C (glow wire test)
■ Materials :
❑ housing made of self-extinguishing engineering polymer
❑ Ral colour 7035
❑ screws, pins and springs made of stainless steel
■ connection terminals:
❑ captive screws
❑ maximum cross section of conductors: 10 mm2
■ wall-mounted version:
❑ cable entry from the top
❑ complete with fair-lead for 25 mm Max. Diameter cables and conduits, and/or PG21
❑ screw head plugs fused not supplied
Code of panel-mounted sockets PK Unika
IP 44
rated
poles and
current
wires
16A
2P+
rated voltage
100-130V
200-250V
380-415V
82128
82131
82134
3P+ 82129
82132
82135
3P+N+
32A
2P+
82130
82133
82136
82139
82142
82145
480-500V
82137
82138
82140
82143
82146
3P+ 82148
82149
3P+N+
82141
82144
82147
82178
82181
82184
PG148011
IP 65
16A
PG148015
82147
82197
2P+
82179
82182
82185
3P+ 82187
3P+N+
82188
32A
2P+
82180
82183
82186
82189
82192
82195
3P+ 82190
82193
82196
3P+N+
82191
82194
82197
82198
82199
Code of wall-mounted sockets PK Unika
IP 44
rated
poles and
current
wires
16A
2P+
rated voltage
100-130V
200-250V
380-415V
83128
83131
83134
480-500V
3P+ 83129
83132
83135
83137
3P+N+
83138
32A
2P+
83130
83133
83136
83139
83142
83145
3P+ 83140
83143
83146
83148
83149
3P+N+
83141
83144
83147
83178
83181
83184
PG148026
IP 65
16A
PG148030
83131
2P+
3P+ 83179
83182
83185
83187
3P+N+
83188
32A
2P+
83180
83183
83186
83189
83192
83195
3P+ 83190
83193
83196
83198
83199
3P+N+
83191
83194
83197
83181
56
Schneider Electric
Select and understand
PK sockets with interlocked switch
PK Unika
Without protection
Panel-mounted and wall-mounted version
Their technical, functional and aesthetic
qualities make them particularly suitable
for installation in the tertiary and
industry sectors.
Characteristics
■ Manufactured according to IEC 60947-3 with the following technical features:
Operating voltage Rated current
AC22
AC23A
400 V
16A
20A
9,5 kW
32A
32A
16 kW
■ the switch can be externally padlocked into position «0» and «1»
■ degree of protection, according to IEC 60529: IP44 and IP65
■ degree of protection against external mechanical impacts, according to EN 50 102: IK09
■ resistance to fire and abnormal heat, according to IEC 60695-2-1: 750°C (glow wire test)
■ Materials:
❑ housing made of self-extinguishing engineering polymer
❑ RAL colour 7035
❑ screws, pins and springs made of stainless steel
■ connection terminals:
❑ captive screws
❑ maximum cross section of conductors: 10 mm2
■ wall-mounted version:
❑ cable entry from the top
❑ complete with fair-lead for 25 mm Max. Diameter cables and conduits, and/or PG21 cable gland
❑ screw head plugs fused not supplied
Code of panel-mounted PK Unika sockets
IP 44
rated
poles and
current
wires
16A
2P+
rated voltage
100-130V
200-250V
380-415V
82028
82031
82034
480-500V
82029
82032
82035
3P+ 82037
3P+N+
82038
32A
2P+
82030
82033
82036
82039
82042
82045
3P+ 82040
82043
82046
3P+N+
82041
82044
82047
82078
82081
82084
82048
82049
PG148002
IP 65
16A
2P+
3P+ 82079
82082
82085
PG148006
82031
82041
3P+N+
32A
2P+
82080
82083
82086
82089
82092
82095
82087
82088
82090
82093
82096
3P+ 82098
82099
3P+N+
82091
82094
82097
Code of wall-mounted PK Unika sockets
IP 44
rated
poles and
current
wires
16A
2P+
rated voltage
100-130V
200-250V
380-415V
83028
83031
83034
480-500V
3P+ 83029
83032
83035
83037
3P+N+
83038
32A
2P+
83030
83033
83036
83039
83042
83045
3P+ 83040
83043
83046
83048
83049
3P+N+
83041
83044
83047
83078
83081
83084
PG148018
IP 65
16A
PG148022
83031
2P+
3P+ 83079
83082
83085
83087
3P+N+
83088
32A
2P+
83080
83083
83086
83089
83092
83095
3P+ 83090
83093
83096
83098
83099
3P+N+
83091
83094
83097
83041
Schneider Electric
57
Select and understand
PK sockets with interlocked switch
PK Unika
Sockets with safety transformer SELV
Panel-mounted and wall-mounted version
Units fitted with safety transformers, in
conformity with IEC742 standards.
Functions
Their modular size enables them to be used with all the components of the PK Unika series.
They are used to power circuits with a voltage rating of 50V maximum, to protect users against
direct and indirect contacts, in conformity with IEC 60364 standards.
Characteristics
■ safety transformer with rated power pf 160VA under continuous use
■ operating voltage 230:24V or 400/24V
■ transformer protected against short-circuit by the cylindrical fuses supplied
■ power supply switch on the primary controlled by a special mechanism upon the insertion of the
plug
■ degree of protection, according to IEC 60529: IP44 and IP65
■ degree of protection against external mechanical impacts, according to EN 50102 :IK09
■ resistance to fire and abnormal heat, according to IEC 60695-2-1: 750°C (glow wire test)
■ the unit is rated as Class II-according to IEC 60742
■ Material
❑ housing made of self-extinguishing engineering polymer
❑ RAL colour 7035
❑ screws pins and springs made of stainledd steel
■ connection terminals:
❑ captive screws
❑ maximum cross section of conductors: 6mm2
■ available as follows:
❑ fitted with one very-low-voltage IEC 60309 socket, 24 V 2P
❑ wall-mounted
❑ complete with fair-lead for 25 mm Max. Diameter cables and conduits, and/or PG21 cable gland
❑ supplied with screw head cover
Code of panel-mounted PK Unika with safety transformer
IP 44
PG148095
rated
power
rated voltage
primary
secondary
number and type
of sockets
Code
160 VA
230 V
24 V
1 x 16 A
82026
400 V
24 V
1 x 16 A
82027
number and type
of sockets
Code
IP 65
rated
power
PG148096
82026
rated voltage
primary
secondary
160 VA
230 V
24 V
1 x 16 A
82076
400 V
24 V
1 x 16 A
82077
82076
Code of wall-mounted PK Unika with safety transformer
IP 44
rated
power
rated voltage
primary
secondary
number and type
of sockets
Code
160 VA
230 V
24 V
1 x 16 A
83026
400 V
24 V
1 x 16 A
83027
number and type
of sockets
Code
IP 65
PG148097
rated
power
rated voltage
primary
secondary
160 VA
230 V
24 V
1 x 16 A
83076
400 V
24 V
1 x 16 A
83077
PG148098
83026
83076
58
Schneider Electric
Discover
PK sockets with interlocked switch
PK Unika
Installation flexibility
Unique size: 103x225 mm
PK Unika sockets
With fuse
carrier
Enclosures
Functional plaques
Without
With safety
fuse carrier transformer
Modular bases
blank
For sockets
For sockets
PK 16 et 32A PK 63A
Kaedra system: Enclosures for PK Unika sockets
PB102259
PB102258
PB102261
PB102260
The PK Unika sockets with interlocked switch
are suitable for wall and embedded mounting
or panel mounting. The offer complains a
complete range of enclosures for different
installation ways: individual emplacement or
combination in banks.
Its compact size permits to have panel
boards with small overall dimensions.
The PK Unika sockets are equiped with the
new five thread which enables a fast fixing on
all enclosures.
PB102257
Installation flexibility
Schneider Electric
59
Select and understand
PK sockets with interlocked switch
PK Unika
Wall and embedded-box
These can be fitted either wall-mounted or Wall-mounting box
wall-embedded or in the PK Unika series Functions
They enable wall-mounted installation of sockets with interlock or safety transformers. On the
interlocked socket panels.
upper part there is a section with a small cover intended for increased volumes of wiring.
Characteristics
■ Degree of protection, according to IEC 60529: IP65
■ Degree of protection against external mechanical impacts, according to EN 50102: IK09
■ Resistance to fire and abnormal heat, according to IEC 60695-2-1: 750°C (glow wire test)
■ Complete insulation characteristics in according with EN 60439-1
■ Materials :
❑ housing made of self-extinguishing engineering polymer
❑ RAL colour 7035
❑ Stainless steel screws
■ Fond :
❑ cable entry from the top
❑ fair-lead for 25 mm max.diameter cables and conduits
❑ version with knockout holes M32 mm diam. for association
❑ supplied with screw head covers
Code of wall-mounting box
PG148089
Dimensions
L
H
P
degree of
protection
code
103
250
70
IP65    with unmarked walls
83919
103
250
70
IP65    walls with knock-outs
83920
83919
Embedded box
Functions
They enable panel-mounted installation of sockets with interlock or safety transformers.
Characteristics
■ After installation degree of protection, according to IEC 60529: IP55
■ Degree of protection against external mechanical impacts, according to EN 50102 :IK08
■ Resistance to fire and abnormal heat, according to IEC 60695-2-1: 750°C (glow wire test)
■ Materials :
❑ housing made of self-extinguishing engineering polymer
❑ RAL colour 7035 for frame/black for box
❑ Stainless steel screws
PG148090
Code of embedded box
Dimensions
L
H
103
235
P
degree of
protection
Code
70
IP65    
83924
83924
60
Schneider Electric
Select and understand
PK sockets with interlocked switch
PK Unika
Modular bases
For wall-mounted fitting in combinations
of one or more PK Unika series
interlocked sockets and other PK series
sockets.
Functions
They enable wall-mounted fitting of sockets with interlock or safety transformers. On the upper part
there is a box incorporated designed for easy power feeding and wiring distribution.
Characteristics
PG148091
■ After installation degree of protection, according to IEC 60529: IP65
■ Degree of protection against external mechanical impacts, according to EN 50102: IK09
■ Resistance to fire and abnormal heat, according to IEC 60695-2-1: 650°C (glow wire test)
■ Complete insulation characteristics in according with EN 60439
■ Materials :
❑ housing made of self-extinguishing engineering polymer
❑ RAL colour 7035
❑ Stainless steel screws
■ Fond :
❑ cable entry from the top
❑ fair-lead for 25 mm max.diameter cables and conduits
❑ version with knockout holes M32 mm diam. for association
❑ supplied with screw head covers
PG148092
83921
83922
Code of modular basis
PG148093
Dimensions
H
L
P
degree off
protection
number of
sockets
Code
350
105
70
IP65
1
83921
350
210
70
IP65
2
83922
350
315
70
IP65
3
83923
83923
Code of auxiliary components for modular basis
Description
Association kit M32 for modular basis and boxes
with 2 niples and nuts diam. 32 mm
Code
13934
Code of functional plaques
For closing the openings 103 x 225 of different PK Unika and Kaedra system enclosures
PG133091
Description
PG133090
13143
Code
Blank plaques
marked for fixing:
- panel mounted straight PK sockets for low and extra-low voltage with flange
65 x 65 mm or 75 x 75 mm
- 1 or 2 devices diam. 22,2 mm.
13143
Plaques with 2 openings
- 1 of 65 x 85 mm for direct fixing of angled PK sockets 16A 2P+ and
3P+ or domestic sockets
- 1 of 90 x 100 mm for direct fixing of angled PK sockets 16A 4P+ and 32A
13142
Plaques with 1 opening
107 x 114 mm for direct fixing of angled or straight PK sockets 63A
13144
13142
PB102262
For other plaques the page 68.
13144
Schneider Electric
61
Discover
PK sockets with interlocked switch
PK Isoblock
General presentation
A complete range for heavyduty applications
The range of PK Isoblock is designed for
installations of interlocked sockets up to
125A in heavy stress environments such as
the industrial sector or infrastructures, where
there is exposure to liquids, mechanical
shocks and aggressive chemicals. Their size
enables combinations to be made trought
special modular bases, in order to provide
complete socket banks that are totally
protected and easily extendable.
PB102263
IP65 protection, IK10 shockresistance, high resistance to
aggressive chemical and
atmospheric agents, specifically
designed for heavy-duty
applications.
Safety
The PK Isoblock
series interlocked
sockets are equipped
with a mechanical
switch, which
ensures the control
and local isolating of
parts of the plant or
utilities in order to
enable intervention
on electrical circuits
or machines in total
safety.
62
Resistance
The PK Isoblock
series interlocked
sockets, which are
made of special
techno-polymers,
provide ultra-high
resistance to
aggressive chemical
and atmospheric
agents and
guarantee maximum
protection even in
difficult, hazardous
environments.
Protection
The PK Isoblock
series provide
guaranteed IP65
protection against the
penetration of solids
and liquids, in
conformity with the
IEC 60529 standards,
while resistance to
mechanical shocks is
covered by IK10
protection, in
conformity with EN
50 102 standards.
Schneider Electric
Discover
PK sockets with interlocked switch
PK Isoblock
Key points
PB102265
The PK Isoblock interlocked sockets are
available in different versions:
❑ version with carrier for CH 10,3x38
cylindrical fuses in the 16 e 32 A
applications and with E33 carrier for DIII
fuses in the 63A applications;
❑ version with carrier for CH 10,3x38
cylindrical fuses equipped with LED
indicator device, which it warns of the
voltage presence in each phase;
❑ version with DIN rail for installing any kind
of modular equipment.
PB102264
Differentiated functions
PB102180
Sockets with interlock switch
The Isoblock series of 63-125A with
thermal-magnetic (with or without earthfault protection) is now equipped with the
Compact NS160N circuit breaker, which give
to the end-user lasting safety together with
unsurpassed energy availability and very
high electrical and technical features.
Socket combinations
The PK Isoblock interlocked socket
combinations consist of complete distribution
units characterized by the high performance
of the different sockets and, therefore, are
intended for installation in hazardous
environments.
They are easily combined with the
connections devices supplied with each panel.
Schneider Electric
PB102266
W
NE
PG148106
The cover of each individual interlocked
socket can be easily removed enabling
access for wiring and interconnections.
For the installation of associated interlocked
sockets, modular panels are available readyequipped with an junction box or modular
enclosures.
PG148109
Modular panels
63
Select and understand
PK Sockets with interlock switch
PK Isoblock
Protected by fuse carriers
Wall-mounted version
Functions
Thanks to their high performances they
They ensure the control and local isolating of parts of the plant or utilities so as to enable
are intended for installation in
intervention on electrical circuits or machines in total safety.
environments where there are aggressive
Characteristics
chemical agents, oils and grease, and
■ Manufactured according to IEC 60947-3 with the following technical features:
Rated current
AC22
AC23A
frequent jets of water or accidental shocks. Operating voltage 16A
20A
9,5 kW
400 V
32A
32A
16 kW
63A
63A
30 kW
■ the switch can be externally padlocked into position « 0 » and « 1 »
■ disconnect fuse carriers for CH10,3x38, complying with IEC 60269
■ access lid to fuse curriers can be opened only with the switch in position “0”
■ Degree of protection, according to IEC 60529: IP65
■ Degree of protection against external mechanical impacts, according to EN 50102: IK10
■ Resistance to fire and abnormal heat, according to IEC 60695-2-1: 850°C (glow wire test)
■ Materials :
❑ housing made of self-extinguishing engineering polymer
❑ RAL colour 7035
❑ screws, pins and springs made of stainless steel
■ connection terminals :
❑ captive screw
❑ maximum cross section of conductors: 10 mm2 for 16 and 32A: 35mm2 for 63A
■ wall-mounted version :
❑ cable entry from the top
❑ complete with fair-lead for 25 mm Max. Diameter cables and conduits, and/or PG 21 cable gland
for 16 and 32A and PG29 for 63A
■ fuses not supplied
Code of PK Isoblock sockets with fuse carriers 10,3x38
IP 65
rated
number of type
current
sockets
PG148058
16A
2P+
B16
rated voltage V
100-130V
200-250V
380-415V
83451
83454
83457
3P+ B16
83452
83455
83458
83454
3P+N+
32A
2P+
B16
83453
83456
83459
B16
83463
83466
83469
3P+ B16
83464
83467
83470
3P+N+
B16
83465
83468
83471
480-500V
83461
83462
83473
83474
PG148063
Code of PK Isoblock sockets with fuse carriers E33
IP 65
number of type
current
sockets
rated voltage V
100-130V
200-250V
380-415V
480-500V
63A
2P+
3P+
B32/63
82876
82879
82882
82885
3P+N+
B32/63
82877
82880
82883
82886
B32/63
82878
PG148047
83471
rated
82883
64
Schneider Electric
Select and understand
PK Sockets with interlock switch
PK Isoblock
With fuse carriers and warning device
Wall-mounted version
Functions
Thanks to their high performances they
They ensure the control and local isolating of parts of the plant or utilities so as to enable
are intended for installation in
intervention on electrical circuits or machines in total safety.
Each fuse carrier has a LED indicator device, which permits immediate checking on the state of
environments where there are aggressive
the fuse.
chemical agents, oils and grease, and
frequent jets of water or accidental shocks. Characteristics
■ Manufactured according to IEC 60947-3 with the following technical features:
Operating voltage Rated current
AC22
AC23A
400 V
16A
20A
9,5 kW
32A
32A
16 kW
■ the switch can be externally padlocked into position « 0 » and « 1 »
■ disconnect fuse carriers for CH10,3x38, complying with IEC 60269 fuse carriers each fitted with
LED warning light:
❑ red and green LED off: socket unit with no power - switch open
❑ green LED: regular power supply to the phase
❑ red and green LED: signal of protection being triggered.
■ access lid to fuse curriers can be opened only with the switch in position “0”
■ Degree of protection, according to IEC 60529: IP65
■ Degree of protection against external mechanical impacts, according to EN 50102: IK10
■ Resistance to fire and abnormal heat, according to IEC 60695-2-1: 850°C (glow wire test)
■ Materials:
❑ housing made of self-extinguishing engineering polymer
❑ RAL colour 7035
❑ screws, pins and springs made of stainless steel
■ connection terminals :
❑ captive screw
❑ maximum cross section of conductors: 10 mm2
■ wall-mounted version:
❑ cable entry from the top
❑ complete with fair-lead for 25 mm Max. Diameter cables and conduits, and/or PG 21 cable
gland
■ fuses not supplied
Code of PK Isoblock sockets with fuse carriers 10,3 x 38 and
warning device
PG148050
IP 65
rated
number of type
current
sockets
16A
83354
2P+
B16
rated voltage V
100-130V
200-250V
380-415V
83351
83354
83357
480-500V
3P+ B16
83352
83355
83358
83361
3P+N+
B16
83353
83356
83359
83362
32A
2P+
B16
83363
83366
83369
3P+ B16
83364
83367
83370
3P+N+
B16
83365
83368
83371
83373
83374
PG148055
83371
Schneider Electric
65
Select and understand
PK Sockets with interlock switch
PK Isoblock
With DIN rail
Wall-mounted version
Functions
Thanks to their high performances they
They have a DIN rail for modular protection devices.
are intended for installation in
Characteristics
environments where there are aggressive
■ Manufactured according to IEC 60947-3 with the following technical features:
chemical agents, oils and grease, and
Operating voltage Rated current
AC22
AC23A
frequent jets of water or accidental shocks. 400 V
16A
20A
9,5 kW
32A
32A
16 kW
63A
63A
30 kW
■ the switch can be externally padlocked into position « 0 » and « 1 »
■ compartement for modular devices fitted with symmetrical DIN rail, with opening of :
❑ 4,5 modules 18mm for 16 and 32A
❑ 6 modules 18mm for 32 and 63A
■ access lid to fuse curriers can be opened only with the switch in position “0”
■ Degree of protection, according to IEC 60529: IP65
■ Degree of protection against external mechanical impacts, according to EN 50102: IK10
■ Resistance to fire and abnormal heat, according to IEC 60695-2-1: 850°C (glow wire test)
■ Materials :
❑ housing made of self-extinguishing engineering polymer
❑ RAL colour 7035
❑ screws, pins and springs made of stainless steel
■ connection terminals :
❑ captive screw
❑ maximum cross section of conductors:
❑ 16 and 32 A 10 mm2
❑ 63A 35 mm2
❑ wall-mounted version :
❑ cable entry from the top
❑ complete with fair-lead for 25 mm Max. Diameter cables and conduits, and/or PG 21 cable
gland for 16A and 32A versions, PG 29 for 63A version
Code of PK Isoblock sockets with DIN rail – 4,5 modules
IP 65
rated
number of type
current
sockets
PG148034
16A
2P+
B16
rated voltage V
100-130V
200-250V
380-415V
82751
82754
82757
480-500V
3P+ B16
82752
82755
82758
PG148039
82754
3P+N+
32A
2P+
B16
82753
82756
82759
B16
83788
83791
83794
82761
82762
3P+ B16
83789
83792
83795
83797
83798
3P+N+
B16
83790
83793
83796
Code of PK Isoblock sockets with DIN rail – 6 modules
IP 65
82771
rated
number of type
current
sockets
32A
2P+
B32/63
rated voltage V
100-130V
200-250V
380-415V
82763
82766
82769
480-500V
3P+ B32/63
82764
82767
82770
82773
82774
3P+N+
B32/63
82765
82768
82771
2P+
B32/63
3P+
B32/63
82776
82778
82779
82782
82785
3P+N+
B32/63
82777
82780
82783
82786
PG148043
63A
82783
66
Schneider Electric
Select and understand
PK sockets with interlocked switch
PK Isoblock
Sockets with safety transformer SELV
Wall-mounted version
For use either singly or in combination
units by means of the PK Isoblock
sectional panels, in environments where
there are aggressive chemical agents, oils,
grease, frequent, heavy jets of water and
accidental shocks.
Functions
These enable powering of circuits with a voltage rating of 50V maximum, to protect users against
direct and indirect contacts, in conformity with IEC364 standards.
Characteristics
■ safety transformer with rated power of 160 VA under continuos use
■ operating voltage 230/24V or 400/24V
■ trasformer protected against short-circuit by CH10,3x38 the cylindrical fuses supplied
■ power supply switch on the primary controlled by a special mechanism upon the insertion of the
plug
■ Degree of protection, according to IEC 60529: IP65
■ Degree of protection against external mechanical impacts, according to EN 50102: IK10
■ Resistance to fire and abnormal heat, according to IEC 60695-2-1: 850°C (glow wire test)
■ The unit is rated as Class II according to IEC 60558-2-6
■ Fitted with one or two very-low voltage sockets, 24V, 2P
■ Materials :
❑ housing made of self-extinguishing engineering polymer
❑ RAL colour 7035
❑ screws, pins and springs made of stainless steel
■ Connection terminals:
❑ Captive screws
❑ Maximum cross section of conductors 6 mm2
■ Wall-mounted
❑ complete with fair-lead for 25 mm Max. Diameter cables and conduits, and/or PG 21 cable
glands
Code of PK Isoblock sockets with safety transformer SELV
IP 65
PG148099
rated
power
number and type
of sockets
Code
160 VA
230 V
24 V
1 x 16 A
82061
400 V
24 V
1 x 16 A
82063
160 VA
230 V
24 V
2 x 16 A
82062
400 V
24 V
2 x 16 A
82064
PG148100
82061
rated voltage
primary
secondary
82062
Schneider Electric
67
Select and understand
PK sockets with interlocked switch
PK Isoblock
Modular panels
For the installation of PK Isoblock series Functions
These enable wall-mounted fitting of sockets with interlock or safety transformers and are available
interlocked sockets in environments where in two versions:
with integrated box designed to enable power feeding and wiring distribution;
there are aggressive chemical agents, oils –– version
version with control box designed to accommodate one or more modular protection devices
fitted to the symmetrical DIN rail
and grease, frequent, heavy jets of water
or accidental shocks
Characteristics
■ Degree of protection, according to IEC 60529: IP65
■ Degree of protection against external mechanical impacts, according to EN 50102: IK10
■ Resistance to fire and abnormal heat, according to IEC 60695-2-1: 850°C (glow wire test)
■ Complete insulation characteristics in according with EN 60439-1
■ Materials :
❑ housing made of self-extinguishing engineering polymer
❑ RAL colour 7035
❑ Screws made of stainless steel
❑ walls with knoch our loch for cable entry from the top and for association
Code for modular panels with junction boxes
PG148108
PG148109
PG148107
Dimensions
H
L
83925
83926
type
P
number of
sockets
Code
535
111
11 + 65
B16
1
83925
535
222
17 + 100
2B16
2
83926
535
151
17 + 100
B32/63
1
83927
83927
Code for modular panels with modular enclosures
83325
68
PG148105
PG148104
PG148106
Dimensions
H
L
83326
type
P
module
18 mm
dissipated
power
number
of sockes
Code
535
111
11 + 65
B16
4
9 watt 1
83325
535
222
17 + 100
2B16
10
14 watt
2
83326
535
151
17 + 100
B32/63
6
11 watt
1
83327
83327
Schneider Electric
Select and understand
PK sockets with interlocked switch
PK Isoblock
Sockets with circuit breaker
W
and electrical interlock
NE
These are characterized by a
thermal-magnetic circuit breaker, with
or without earth-fault protection which
is activated only when the plug is fully
inserted in the socket. If the plug is
removed while under load, the circuit
breaker will trip automatically.
Characteristics
W
NE
■ Moulded case automatic thermal-magnetic circuit breaker, with or without differential relay
■ Rotary switch which can be externally padlocked into position “0” and “1”
■ Reset of the switch from the outside when triggered
■ Socket fitted with pilot contact for controlling the 24 V electrical interlock
■ Earth fault protection;
❑ Sensitivity (I∆n); adjustable 0,03 - 0,3 - 1 - 3 - 10 A
❑ Time delay 
adjustable 0 - 60 - 150 - 310 ms
■ Red warning light to signal tripping of earth fault protection:
■ Degree of protection, according to IEC 60529: IP65
■ Degree of protection against external mechanical impacts, according to EN 50102: IK08
■ Resistance to fire and abnormal heat, according to IEC 60695-2-1: 960°C (glow wire test)
■ Materials :
❑ housing made of self-extinguishing engineering polymer
❑ RAL colour 7035
❑ Screw made of thermoplastic material
■ connection terminals :
❑ captive screw
❑ maximum cross section of conductors: 95 mm2
❑ cable entry from the top
❑ complete with thickness flange and PG 42 cable gland
❑ terminal block guard at the circuit breaker entry
Circuit breaker characteristics
rated
current (In)
tripping thresholds
thermal (tr)
magnetic (tm)
ultimate breaking capacity (kA rms)
220/240V
380/415V
500V
Adjustable
500 A
85
36
30
0.8... 1
x In
1250 A
85
36
30
PB102180
63A
125A
82482
Code for interlocked socket with thermal-magnetic circuit breaker
IP 65
rated
DB113094
current (In)
rated voltage
poles
100-130V
63A
3P+
3P+N+
125A
3P+
3P+N+
200-250V
380-415V
480-500V
82479
82482
82485
82483
82491
82494
82497
82495
Code for interlocked socket with thermal-magnetic circuit
breaker and earth fault protection
IP 65
rated
current (In)
63A
rated voltage
poles
3P+
100-130V
200-250V
380-415V
480-500V
82432
DB113095
3P+N+ 82433
Schneider Electric
125A
3P+
82444
3P+N+ 82445
69
Select and understand
PK sockets with interlocked switch
PK Isoblock
Accessories
Junction boxes
Characteristics
■ Degree of protection, according to IEC 60529: IP55
■ Degree of protection against external mechanical impacts, according to EN 50102: IK08
■ Resistance to fire and abnormal heat, according to IEC 60695-2-1: 850°C (glow wire test)
■ knockout holes for cable glans and connection accessories to sockets
■ Materials :
❑ housing made of self-extinguishing engineering polymer
❑ RAL colour 7035
❑ Screw head plugs
■ supplied with :
❑ caps for bottom screws
Code for junction boxes IP55
PB102267
Dimensions
H
W
D
Number and type
of cable entry
Code
75
110
65
4 x PG 21
83963
110
110
65
6 x PG 21
83964
150
110
100
6 x PG 21
83962
110
150
100
4 x PG 21 + 1 x PG21/29 + 1 x PG 29
83965
150
150
100
4 x PG 21 + 2 x PG 21/29
83966
Code for connection accessories
PG thread cable glands
PG149002
in accordance with DIN 46320
made of insulating material, grey RAL 7035 – complete with lock-nut
thread
cable diameter
connector diamètre
Code
PG 16
14 – 16 mm
23 mm
83994
PG 21
14 – 20 mm
28,5 mm
83995
PG 29
19 – 26 mm
37,5 mm
83996
PG thread nipples
made of insulating material, grey RAL 7035 – complete with lock-nut, rubber packing ring for
joining boxes, enclosures and sockets
cable diameter
connector diamètre
Code
14 – 16 mm
23 mm
83985
PG 21
14 – 20 mm
28,5 mm
83986
PG 29
19 – 26 mm
37,5 mm
83987
PG149001
thread
PG 16
Brass terminal blocks with regard to ground and neutral connections
PB102268
description
Code
83970
with holes
1 x 16 + 4 x 10 mm2
1 x 16 + 6 x 10 mm2
83971
1 x 16 + 10 x 10 mm2
83972
2 x 16 + 10 x 10 mm2
83973
2 x 16 + 16 x 10 mm2
83974
Terminal block supports
PB102269
made of insulating material – suitable for brass terminal blocks
for enclosures
for terminal blocks
Code
83325
2 x 83970
83975
83326
2 x 83970 / 83971 / 1 x 83972 / 83970
83976
83327
All terminals
83977
Brass terminal blocks complete with support
PB102270
for PK Compact sockets enclosures
70
description
Code
with holes
83980
1 x 16 + 4 x 10 mm2
Schneider Electric
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