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I N S TA L L AT I O N I N S T R U C T I O N S
OCB-4A
Connection block
Attach OCB to the surface using four M4 bolts. Connect the safety
devices to the M12 connectors and a protection plug to the unused con-
nectors. Fasten the connectors (max tightening torque is 0.6 Nm).
Technical data
Max voltage
Max current
Pollution degree
Overvoltage category
Protection class
Ambient temperature
Relative humidity
Cable assemblies
Any listed CU (CYJV/7), M12: 5-pin or 12-pin A-coding mating connector.
Conductor size Maximum ampere ratings of the
overcurrent protection:
AWG
(mm
2
)
22
(0.32)
24
(0.20)
26
(0.13)
28
(0.08)
30
(0.05)
Connection example
Caution! All cable colors according to ABB standard cables.
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ABB Electrification Sweden AB
SE-721 61 Västerås
Sweden
abb.com/lowvoltage
30 V
2 A
3
2
IP67
-25...+80°C
35 — 85 % (without icing or condensation)
Ampere
2
2
1
0.8
0.5
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Further information:
FOR M4 INTERNAL HEX SCREW (4x)
4.5
73
Information for use in USA / Canada
For Use In Class 2 Circuits Only.
CAUTION: NOT FOR INTERRUPTING CURRENT.
ATTENTION: NE PAS UTILISER POUR COUPER LE COURANT.
Information for use in UK
Importer address
ABB Ltd
Tower Court, Coutaulds Way
Foleshill Enterprise Park,
Coventry
CV6 5NX,
United Kingdom
Conformity, UK
2012 No. 3032 – Restriction of the Use of Certain
Hazardous Substances in Electrical and Electronic
Equipment Regulations (RoHS)
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Revision
B
Revision date
2022-01-19
Document number
2TLC010079M0201
34
118
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© Copyright 2022 ABB.
All rights reserved.
Specifications subject
to change without notice.
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