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I N S TA LL ATI O N I N S TR U C TI O N S
OCB-1A
Connection block
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ABB Electrification Sweden AB
SE-721 61 Västerås
Sweden
abb.com/lowvoltage
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Further information:
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Revision
B
Revision date
2022-01-19
Document number
2TLC010076M0201
Page 2/2
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© Copyright 2022 ABB.
All rights reserved.
Specifications subject
to change without notice.
10
28
118
4.5
73
34
39
33
54
FOR M4 INTERNAL HEX SCREW (4x)
13
24
Attach OCB to the surface using four M4 bolts. Connect the safety de-
vices to the M12 connectors and a blind plug to the unused connectors.
Fasten the connectors (max tightening torque is 0.6 Nm).
Max voltage
30 V
Max current
2 A
Pollution degree
3
Overvoltage category
2
Protection class
IP67
Ambient temperature
-25…+80°C
Relative humidity
35 — 85 % (without icing or condensation)
Technical data
Connection example
Caution! All cable colors according to ABB standard cables.
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)
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.
Cable assemblies
Any listed CU (CYJV/7), 8-pin A-coding mating connector.
AWG
(mm
2
)
Ampere
22
(0.32)
2
24
(0.20)
2
26
(0.13)
1
28
(0.08)
0.8
30
(0.05)
0.5
Conductor size Maximum ampere ratings of the
overcurrent protection:
