The Siemens SIRIUS 3RH2131-1B is a contactor relay designed for industrial applications. It f
The Siemens SIRIUS 3RH2131-1B is a contactor relay designed for industrial applications. It features 3 NO (normally open) contacts and 1 NC (normally closed) contact, operates on 24V DC, and comes with screw terminals. This relay belongs to the S00 frame size and is part of the SIRIUS 3RH2 contactor relay family.