3RH1921-1HA13
3RH1921-1HA13 is a SIRIUS 3RT1 contactor with a front-mounted 4-pole auxiliary switch assembly, consisting of 1 normally open and 3 normally closed contacts, screw terminal wiring, conforming to EN50012 standard, and suitable for S0~S3 size contactors. The original manufacturer's note indicates that it is no longer in production.
Product Positioning
The 3RH1921-1HA13 is a front-mounted 4-pole auxiliary switch assembly for Siemens SIRIUS 3RT1 series contactors, providing one set of normally open and three sets of normally closed contacts, suitable for applications requiring multiple sets of normally closed interlocking signals.
Core Product Advantages and Features
4-pole 1NO+3NC contact
It mainly consists of 3 normally closed circuits, making it suitable for safety interlocking and power failure protection signal applications.
Front design
It is snap-on mounted on the front of the contactor and is suitable for small models from S0 to S3.
Screw terminal wiring
Standard screw terminals ensure convenient and secure wiring installation.
Original manufacturer has ceased production.
The manufacturer has announced that this model has been discontinued, and the next model is the SIRIUS 3RH2 series.
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