3RH1921-2DA11
The Siemens SIRIUS 3RH1921-2DA11 is a side-mounted auxiliary switch module with a 1NO+1NC contact configuration, cage clamp terminal wiring, 10A/24-230V AC rated, suitable for 3RT1 series contactors of sizes S0 to S12, and has a mechanical life of tens of millions of cycles.
Product Positioning
The 3RH1921-2DA11 is an older side-mounted auxiliary switch module of the SIRIUS 3RH19. It uses cage clamp terminal wiring for the 1NO+1NC contacts and is suitable for 3RT1 series contactors of sizes S0 to S12. It has a mechanical life of tens of millions of cycles.
Core Product Advantages and Features
1NO+1NC contact design
Provides one set each of normally open and normally closed contacts for easy expansion of control and signal circuits.
High mechanical life
It has a mechanical life of up to 10 million cycles and an electrical life of 200,000 cycles, making it highly durable.
Cage clamp terminal wiring
The cage-clamp terminal design allows for quick wiring and prevents the wires from loosening due to vibration.
Applicable to sizes S0 to S12
It can be flexibly selected to match various sizes of 3RT1 series contactors.
Recommend
Read More
3RH1921-2DE11
The Siemens SIRIUS 3RH1921-2DE11 is a side-mounted auxiliary switch module with a 1NO+1NC contact configuration, cage clamp terminal wiring, and is suitable for 3RT1 series contactors of sizes S0 to S12. The operating temperature range is -25 to 60 degrees Celsius.
Read More
3RH1921-2CA10
The Siemens SIRIUS 3RH1921-2CA10 is a front-mounted auxiliary switch module with a single normally open (1NO) contact, cage clamp terminal wiring, 10A/24-230V AC rated, and suitable for 3RT1 series contactors of sizes S0 to S12.
Read More
3RH1921-2CA01
The Siemens SIRIUS 3RH1921-2CA01 is a front-mounted auxiliary switch module with a single normally closed (1NC) contact, spring-loaded terminal wiring, rated at 690V/10A, and suitable for extended applications of 3RT1 series contactors in sizes S0 to S12.