3RH1921-1FE22

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The Siemens 3RH1921-1FE22 is a high-quality auxiliary switch block designed to enhance the functionality and control of Siemens SIRIUS motor contactors. Known for its reliability and robust construction, this auxiliary switch provides both normally open (1 NO) and normally closed (1 NC) contacts, allowing for flexible signaling and control applications. It features a screw terminal connection for secure wiring and has an IP20 degree of protection, making it suitable for use in industrial automation environments. Compatible with contactor sizes S0 to S3, this auxiliary switch block easily snaps onto the front of contactors, providing seamless integration into existing systems. The Siemens 3RH1921-1FE22 is widely trusted in the manufacturing and process control industries where dependable switching operations are critical.

Key Features of Siemens 3RH1921-1FE22

  • 1 normally open (NO) and 1 normally closed (NC) contact configuration for versatile control options
  • Screw terminal connection for secure and easy wiring
  • Protection class IP20 ensuring basic protection against contact and foreign objects
  • Compact design fits on Siemens SIRIUS motor contactors size S0 to S3
  • Snapping attachment for quick installation without additional tools
  • Rated for DC operation at 0.3 A at 24VDC/60VDC (DC-13)
  • Certified and approved under UL, CSA, CE, and CCC standards
  • Durable and industrial-grade for long-lasting performance in demanding environments

Technical Specs of 3RH1921-1FE22

Explore Siemens 3RH1921-1FE22 specifications for detailed parameters to ensure system compatibility.

Parameter Specification
Contact Configuration 1 NO + 1 NC
Rated Current 6 A (AC), 0.3 A (DC-13)
Voltage Ratings 24 VDC / 60 VDC
Degree of Protection IP20
Terminal Type Screw terminals
Mounting Snap-on front of contactor
Approvals UL, CSA, CE, CCC

Applications / Use Case

This Siemens 3RH1921-1FE22 is commonly used in industrial automation worldwide. It plays a vital role in process control and machine automation by providing auxiliary switching feedback signals that help monitor motor contactor status. Its reliable performance is critical in production line systems, packaging and conveyor operations, and factory control panels where safe and accurate switching is essential for operational efficiency and safety.

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3RH1921-1FE22

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

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All products sold are New & Unused.

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All products are delivered within 2-8 business days depending on our stock location.

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