Relay controller Siemens
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Siemens
The Siemens 3RH2131-1BB40 is an auxiliary relay with a voltage rating of 24VDC and a current rating of 10A. It features one Normally Closed contact and three Normally Open contacts.
Auxiliary relay and contactor with 1 normally closed and 3 normally open contacts, rated for 0 VAC/24 VDC operation. Designed for industrial control systems requiring reliable switching of low‑voltage circuits.