Product description
3.6 3RB21 electronic overload relays
SIRIUS 3RU thermal overload relays / SIRIUS 3RB electronic overload relays
Manual, 09/2016, A5E03656507420A/RS-AB/003
35
⑧
Selector switch for manual/automatic RESET and RESET button:
The slide switch is used to choose between manual and automatic RESET.
Data Matrix code
Motor current setting:
The large rotary button provides an easy means of setting the device to the rated motor current.
Label
NC contact (NC 95-96)
NO contact (NO 97-98)
Terminals for electrical remote RESET
3RB21 / 3RB31 electronic overload relays are equipped with an NO contact for the "tripped"
message and an NC contact for disconnecting the contactor.
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