Product Overview

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3RT1 contactors/3RH1 control relays

SIRIUS System Manual

3-114 GWA 4NEB 430 0999-02 DS 01

3.4.7.8 Terminal covers for frame sizes S2 to S12

To increase safety there are terminal covers available for contactors with

frame sizes S2 to S12:

Design Function required number Frame sizes

Cover

for box terminals

3RT19.6-4EA2

provides additional protection

against shock

2 covers each are

needed per contactor

(for the main connec-

tions on top and bot-

tom)

S2 to S12

Terminal cover

for ring-tongue and

busbar connection

3RT19.6-4EA1

to keep the clearance between

phases from determined connec-

tion cross-sections,

provides protection against

shock

S3 to S12

Busbar cover used

between the contactor

and overload relay

3RB10 (3RT1966-4EA3

for S10 and S12 serves

also as an adapter for the

terminal cover 3RT1966-

4EA1 with contactor

combinations)

3RT19.6-4EA3

provides protection against

shock

1S6 to S12

Table 3-45: Covers