3RH1921-1FA22
The 3RH1921-1FA22 is a SIRIUS 3RT1 contactor with a front-mounted 4-pole auxiliary switch assembly, consisting of 2 normally open and 2 normally closed contacts, screw terminal wiring, conforming to EN50005 standard, and suitable for S0~S3 size contactors, expanding the number of signal points.
Product Positioning
3RH1921-1FA22 is a front-mounted 4-pole auxiliary switch assembly specifically designed for Siemens SIRIUS 3RT1 series contactors. It provides 2 sets of normally open and 2 sets of normally closed contacts and complies with EN50005 installation specifications.
Core Product Advantages and Features
4-pole 2NO+2NC contact
It provides 4 sets of contacts at a time to meet the needs of multi-channel signal feedback.
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 make wiring installation convenient.
Compliant with EN50005 standard
It adopts the EN50005 installation dimension standard and has obtained multiple international certifications.