Siemens SIRIUS 3RT Series System Manual page 492

Modular system for the control cabinet
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SIRIUS 3RU2/3RB3 overload relays
5.2 Product description
Auxiliary contacts
3RB30/3RB31 solid-state overload relays are equipped with an NO contact for the "tripped"
message and an NC contact for disconnecting the contactor.
492
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03

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