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.
Product Positioning
The 3RH1921-2DE11 is an older side-mounted auxiliary switch module of the SIRIUS 3RH19 series. It features 1NO+1NC contacts and a cage-clamp terminal design, and is suitable for 3RT1 series contactors of sizes S0 to S12. It can withstand multiple mechanical action cycles.
Core Product Advantages and Features
1NO+1NC contact configuration
It has one normally open and one normally closed contact to meet the needs of interlocking and status feedback.
Cage-type terminal wiring
It uses Cage Clamp terminals, which allow for quick wiring and stable long-term use.
Applicable to sizes S0 to S12
Covers installation needs for small to medium-sized 3RT1 series contactors.
Side-mounted snap-fit assembly
It is fixed to the contactor body by a side latch, making installation and disassembly simple.
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3RH1921-2EA02
The Siemens SIRIUS 3RH1921-2EA02 is a first-side mounted auxiliary switch module with two normally closed (2NC) contacts and spring-loaded terminal wiring. It is suitable for 3RT1 series motor contactors of sizes S0 to S12 and is commonly used in power outage monitoring circuits.
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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.
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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.