The 3RH2431-1B appears to be a Siemens SIRIUS contactor relay. It is a latched relay with 3 normally open (NO) contacts and 1 normally closed (NC) con
The 3RH2431-1B appears to be a Siemens SIRIUS contactor relay. It is a latched relay with 3 normally open (NO) contacts and 1 normally closed (NC) contact designed for 24V DC operation with screw terminals.