Accessories
10.5 Sealable cover
SIRIUS 3RU thermal overload relays / SIRIUS 3RB electronic overload relays
136 Manual, 09/2016, A5E03656507420A/RS-AB/003
Description
Sealable cover
There is one sealable cover for thermal overload relays and one for electronic relays; both
are compatible for use with all sizes. The 3RV2908-0P cover can be used as an accessory
for 3RU2 thermal overload relays and 3RV2 motor starter protectors/circuit breakers (acc. to
UL).
The sealable cover 3RB2984-0 for 3RB2 and for electronic overload relays and 3RB3984-0
for 3RB3 for electronic overload relays can be used to protect the rotary button for setting the
rated motor current and the CO contact for the tripping classes (3RB21 / 3RB31 only)
against unauthorized manipulation.
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