3RH2131-2BB40

Siemens SIRIUS 3RH2131-2BB40 auxiliary contactor (relay), 24V DC, spring terminal, 4 sets of contacts (3NO+1NC), S00 frame, suitable for control circuit signal conversion and interlocking, authorized supplier by Kenxin Motor.

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The Siemens SIRIUS 3RH2131-2BB40 is an auxiliary contactor (relay) with a 24V DC coil and a cage-clamp design. It provides four sets of auxiliary contacts: three normally open and one normally closed. It can be used as a signal conversion, interlocking, or timing auxiliary element for control circuits.

Core Product Advantages and Features
3 normally open + 1 normally closed contact combination
It adopts 4 sets of auxiliary contacts, including 3 sets of normally open (NO) and 1 set of normally closed (NC), which are suitable for control circuit signal conversion, interlocking and PLC input/output interface.
Cage Clamp
The spring-loaded terminal design eliminates the need for screw-locking during wiring, improving the efficiency of panel assembly.
Standard DC coil specifications
It adopts a 24V DC standard coil design, which is one of the commonly used DC control voltage specifications in the SIRIUS 3RH2 series.
project Specification
coil voltage 24V DC
Contact configuration 3 normally open (NO) + 1 normally closed (NC), 4 sets of contacts
Terminal type Cage Clamp
Base size S00 (SIRIUS 3RH2 series)
Rated heating current Ith 10 A