Level switches
JJ Series VH
JJ Series VK
JJ Series VHS
JJ Series VKS
Level Switches

Including products with:
DS_Level switches 01/2015
205
Safety at a high level!
Function
Sika level switches are the easy and reliable solution for monitoring fluid levels. The switches are installed at the side using G¾ or
G½ thread sizes. The time-tested float principle and a potential-free contact as the signalling transmitter guarantee a high level of
operational safety.
The rising level in the tank forces the float up. Via paddle system, the magnet changes its position relative to Reed contact and
actuates it. The repulsion between the two homopolar magnets and supports the buoyancy (Version VK... different). As soon as the
level sinks again, the float follows also and the magnbet actuates the Reed contact again.
Works adjusted switching function
•• contact makes with rising level
•• contact opens with falling level
can be changed by the customer.
206
The Reed contact (3) used as signalling transmitter consists of two ferromagnetic contact making tongues positioned in a shielding
gas filled glass bulb. As a result, burned contacts are virtually eliminated. This construction
enables a durability up to 100 000 000 switching cycles.





 Paddle system
 Magnet
 Reed contact
 Float
207
Level Switches
Options and applications
Electrical connection

 





Electrical connection

Plug connector
DIN EN 175301-803-A
incl. cable socket

Plug connector
DIN EN 175301-803-A
incl. cable socket with two LED
for optical flow and power indication
for switching voltages 24 V...230 V AC/DC

4-pin-sensor plug
M12 x 1 acc. IEC 947-5-2

Connection cable 1.5 m
 Assembly in the dome
 Maximum-level monitoring with dirty media
 Plugless version for minimum space take-up
 Minimum level monitoring
Options
Electrical connection
(version VHS / VKS)
Applications
•• Run dry protection for pumps (minimum alert)
•• Spill protection (maximum alert)
•• Leakage monitoring
For use in potentially
explosive atmospheres
 Plug connector DIN EN 175301803-A incl. cable socket with two
LED for switching voltages
24 V...230 V AC/DC ±20 %,
ambient temperature -20...70 °C
 4-pin-sensor plug M12 x 1
Version VH...X
•• Screwed-connection oil level monitoring gauge,
e.g. at compressors
•• For water (VH, VK) and oil applications (VH)
Standard devices, available ex stock
•• VHS 00 M0 1171 R31
•• VH 600 M0 1111 R31
208
Versions for use in potentially explosive atmospheres
VH...X level switches are intended for use in potentially
explosive atmospheres with an ignition energy of
< 60 μJ. These level switches have been ignition
hazard assessed according to DIN EN 60079-11 and have no
potential ignition sources. They are therefore not subject to the
Directive 94/9/EC.
Technical data
Technical data
Switching function
Contact opens with falling level
reversing possible
Activation point, related to middle axis (water, 20 °C)
-4...0 mm (elbow version different)
Hysteresis
Approx. 1...4 mm (elbow version different)
Minimum medium density
PVDF-float
0.78 kg / dm³
Stainless steel cylinder float
0.83 kg / dm³
Nominal pressure
Metal version (VH...)
PN 25
Plastic version (VK...)
PN 10
Temperature ranges
Medium
 Metal version (VH...)
 Plastic version (VK...)
Max. 110 °C
Max. 100 °C
Ambient
 VHS.../ VKS...
 VK6
 VH6
 VH6...X
-25...80 °C
-25...70 °C
-25...100 °C
-25...80 °C
Electrical data
Electrical connection
 VHS / VKS
 VH6 / VK6
Plug connector DIN EN 175301-803-A incl. cable socket
1.5 m PVC jacket cable
Max. switching current
1A
Max. switching voltage
230 VAC, 48 VDC
Max. rating
26 VA, 20 W
Degree of protection EN 60529
IP65
Protection class EN 60730-1
Class II
Materials (important)
Brass version (VH...)
Brass CW614N
Stainless steel version (VH...)
Stainless steel 1.4571
Plastic version (VK...)
PPO Noryl GFN3, thread connection stainless steel 1.4571
Approvals
209
Possible combinations
Electrical connection
Material
Connection thread
Float
PVDF
Brass
Standard plug connector
DIN EN 175301-803-A
G¾
Stainless steel
Stainless steel
Only brass or
Stainless steel version
Plug connector
DIN EN 175301-803-A with
optical level indication
PVDF
Plastic
Power
Level
G½
PVDF
4-pin-sensor
plug M12 x 1
Z
Z
Example:
VHS 00 M0 1171 R31
Plug connector type A
2-pole, EN 175301-803-A
Connection cable 1,5 m
Cable box type A
2-pole, EN 175301-803-A
Cable box type A
2-pole, DIN EN 175301-803-A
210
Order code and accessories
VH
Order example Level switches
Metal version
Electrical connection
Connection cable (standard)
Connection cable blue (only for VH6...0 with Ex option)
Plug connector incl. cable socket (standard)
Plug connector incl. cable socket with LED (option)
4 pin sensor plug M12 x 1 (option)
Type of float
Ball float PVDF
Cylinder float stainless steel
Ball float PVDF - elbow float bar
Cylinder float PVDF - ½“
Material
Brass
Stainless steel
Version
Standard
For use in potentially explosive atmospheres (option)
60
0M0
11
1
1
R3
1
( )*
VH
60
60
S0
S0
S0
1
3
7
9
8
0M0
2M0
3M0
4M0
R3
R3
R3
R2
11
31
1
3
1
3
( )*
X
* No character
** Only available with blue connection cable or with plug connector incl. cable socket.
Order example VK 60
Level switches
Plastic version
Electrical connection
VK
Connection cable (standard)
Plug connector incl. cable socket (standard)
Plug connector incl. cable socket with LED (option)
4 pin sensor plug M12 x 1 (option)
Type of float
Ball float PVDF
Cylinder float PVDF - ½“
60
S0
S0
S0
Length
Order code
Connection cable with 4 pin cable socket M12 x 1,
angle type molded lead, sheathing material PUR,
shielded, (Tmax = 80 °C) - UL-approval
3m
5m
10 m
XVT 2053
XVT 2009
XVT 2070
1
PR33
1
7
9
8
0M0P1
4M0P1
Accessory part
4 pin cable socket M12 x 1 angle type, unassembled
0M0P1
PR33
PR23
VT 1331
211
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