Model 270 Model 275 Model 277

Model 270 Model 275 Model 277
Surge Protective Devices
Installation & Operation Manual
Model 270
Islatrol E Series - DC
(DC Voltage EMI/RFI
Noise Filter & SPD)
Model 275
Islatrol IC+/LRIC+ Series
(AC Voltage EMI/RFI
Noise Filter & SPD)
Model 270
Model 275
Model 277
Model 277
Islatrol IE Series
(AC Voltage EMI/RFI
Noise Filter & SPD)
ASCO SERIES 200 power line filters offer the original Active Tracking™ technology to guard against
commonly occurring, but very damaging, lower energy transients and offers excellent noise reduction.
The Model 277 & Model 275 combine rugged, high energy current diverters with the Active Tracking™
Filter to provide protection against the full spectrum of voltage transients and surges.
INSTALLATION
DANGER! ONLY QUALIFIED PERSONNEL SHOULD INSTALL OR SERVICE
THIS SYSTEM. ELECTRICAL SAFETY PRE-CAUTIONS MUST BE FOLLOWED
WHEN INSTALLING OR SERVICING THIS EQUIPMENT. TO PREVENT RISK OF ELECTRICAL SHOCK,
TURN OFF AND LOCK OUT ALL POWER SOURCES TO THE UNIT BEFORE MAKING ELECTRICAL
CONNECTIONS OR SERVICING.
DANGER! SEULEMENT LE PERSONNEL QUALIFIÉ DOIT INSTALLER OU MAINTENIR CE
SYSTÈME. DES PRÉCAUTIONS DE SÉCURITÉ EN ÉLECTRICITÉ DOIVENT ÊTRE SUIVIS LORS DE
L’INSTALLATION OU DE LA MAINTENANCE DE CET EQUIPEMENT. POUR EVITER TOUT RISQUE DE
CHOC ÉLECTRIQUE, DÉBRANCHEZ ET VEROUILLER TOUTES LES SOURCES D’ ALIMENTATION DE
CET EQUIPEMENT AVANT DE LE BRANCHER OU LE MAINTENIR.
Proper installation is required for maximum system performance. Read the following information to
assure a quality installation. These instructions do not replace national or local electrical codes.
Environment – For use indoors, in an ambient temperature of -40°C to +50°C, with a relative humidity
0% to 95% (non-condensing).
Maximum Current Capability – The total current draw for all loads that a model may continuously
handle is given in the MODEL NUMBER CONFIGURATION table found on the next page. Overloading the
unit can permanently damage the device.
Nominal Voltage – The nominal operating voltage for each model is given in the MODEL NUMBER
CONFIGURATION table found on the next page. Failure to use the unit at its rated voltage can permanently
damage the unit or provide inadequate surge protection.
Supplemental Enclosures - All units provided with exposed terminal blocks must be installed inside an
enclosure and located so as to prevent accidental contact with terminals during maintenance or servicing.
Summary Alarm Contacts (Model 277 only) – Summary alarm Form C (1 N.O. and 1 N.C.) relay contacts
rated 125VAC, 5A max. are provided for remote indication of protection status. Connections may be made
to these terminals on the unit using 18 AWG conductors.
Grounding - Input and output ground terminals (if provided) must be connected for proper operation.
This grounding is not only required for safety, but also for equipment performance. Incorrect grounding
can reduce or impede the operation of the unit.
Line Cord Units (Model 275 only) – Plug unit into wall outlet and turn on power switch (if provided). For
best results, plug equipment to be protected directly into the unit (do not use extension cords or power
strips). Keep data cables as far away from power cords as possible.
OPERATION
These products are designed for years of trouble-free operation and require little or no operator
intervention after installation. Should the unit not appear to be functioning properly and/or the indicator
LED (if provided) is extinguished, check all connections, and assure the voltage is correct and that the
total current draw on the unit from all loads does not exceed the rated current. If the unit still is not
functioning properly, call ASCO Surge Protection at 800-237-4567.
TROUBLESHOOTING
If any of the diagnostic indicators indicates a problem (i.e. red LED ON, and/or green LED OUT), check all
connections and voltages to the unit. If all connections are reliable, and proper voltages are supplied to
the unit, call ASCO Surge Protection, Inc at 800-237-4567.
Installation, Operation and Maintenance Manual
2
IO-30100 RevO 07-17
16 DIGIT MODEL NUMBER CONFIGURATION
Model
Configuration & Voltage
Modes of
Protection
Max Current Capability
Connection
Type
Enclosure
Accessories
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
2
7
0
D
2
5
0
F
0
0
7
A
N
2
N
0
F
0
1
5
J
F
0
3
0
G
F
0
5
0
L
F
1
0
0
2
2
7
7
5
1
2
0
N
F
0
0
2
N
3
2
4
0
L
F
0
0
5
L
C
4
8
0
L
F
0
0
7
W
L
F
0
1
5
F
0
3
0
N
3
7
1
2
0
N
F
0
0
3
2
4
0
L
F
0
0
5
F
0
1
0
F
0
2
0
A
A
N
0
N
0
X
KEY
270
275
277
Islatrol E
Series (DC)
120N
F002
2.5 Amps Max
F003
3 Amps Max
F005
5 Amps Max
F007
7.5 Amps Max
240L
220, 230, 240VAC
Single Phase (L,N,G
or L1,L2,G)
480L
480VAC Single
Phase (L1,L2,G)
D250
0-250VDC (Pos,Neg)
F050
50 Amps Max
F100
100 Amps Max
Islatrol IC+/
LRIC+ Series
Islatrol IE
Series
120VAC Single Phase
(L,N,G)
F010
10 Amps Max
F015
15 Amps Max
F020
20 Amps Max
F030
30 Amps Max
WIRE SIZING & FUSING/CIRCUIT BREAKER AMPACITY
Device Maximum
Current Capability
Suggested Min.
Wire Size (AWG)
Suggested Fusing /
Circuit Breaker Size
F002 = 2.5 Amps Max
F003 = 3 Amps Max
F005 = 5 Amps Max
F007 = 7.5 Amps Max
F010 = 10 Amps Max
F015 = 15 Amps Max
F020 = 20 Amps Max
F030 = 30 Amps Max
F050 = 50 Amps Max
F100 = 100 Amps Max
26 AWG
24 AWG
22 AWG
18 AWG
14 AWG
14 AWG
12 AWG
10 AWG
6 AWG
2 AWG
2.5 Amp
3 Amp
5 Amp
7.5 Amp
10 Amp
15 Amp
20 Amp
30 Amp
50 Amp
100 Amp
A
All Modes
of
Protection
LC
NEMA
Line Cord/
G Type 4
Receptacle
(metal)
N2
2 Position
Terminal
Blocks
NEMA
J Type 4X
(plastic)
N3
3 Position
Terminal
Blocks
N
WL Wire Leads
0
Standard
Open
Style –
SPD with
Exposed
Terminals X additional
Options/
NEMA
Accessories
L Type 12
(metal)
WIRE DIAGRAMS
DC Voltage Units
(pos, neg)
Single Phase
(L, N, G) units
Single Phase
(L1,L2,G) units
Continued on Back
Installation, Operation and Maintenance Manual
3
IO-30100 RevO 07-17
• For units provided with a ground connection, a green (with or without one or more yellow stripes)
insulated grounding conductor identical in size, insulation material, and thickness to the grounded
and ungrounded conductors must be installed (ref. NEC Table 250-95) and referenced back to an
acceptable building earth ground. Attachment plugs, receptacles, etc. in the vicinity of the filter must
be of a grounding type, with the grounding conductors serving them connected to an acceptable
building earth ground.
• Terminals, lugs, and connectors used in installation must be suitable for the material of the conductors.
Conductors of dissimilar metals shall not be intermixed in a terminal or splicing.
Scan this QR code to learn more
about ASCO Surge Protection.
14550 58th Street North
Clearwater, Florida 33760
P (800) 237-4567
P (727) 535-6339
F (727) 539-8955
E customercare@ascopower.com
While every precaution has been taken to ensure accuracy and completeness
in this literature, ASCO assumes no responsibility, and disclaims all liability for
damages resulting from use of this information or for any errors or omissions.
The ASCO and ASCO Power Technologies marks are owned by Emerson
Electric Co. or its ailiates and utilized herein under license. ©2017 ASCO
Power Technologies. All Rights Reserved.
IO-30100 RevO 07-17
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