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Siemens 3RH1921-1EA20 - Auxiliary Contact Block 2NO 690V

Siemens
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Siemens 3RH1921-1EA20 Motor Control is a Sirius family auxiliary contact block designed for use with contactors and motor starters to provide additional signaling or control circuit switching. This unit features a 2NO (2 Normally Open) contact configuration and is rated for a maximum coil voltage of 690 V AC, supporting a current rating of up to 10 A for auxiliary circuits. The device weighs 5 lb and is constructed with a compact, modular design for easy installation and integration into control panels. It complies with international standards including IEC and UL, ensuring reliable performance in industrial environments. Typical applications include use in motor control centers, conveyor systems, and automated machinery for auxiliary switching and status indication.

Key Features & Specifications
  • Type: Auxiliary contact block, modular design
  • Voltage Rating: 690 V AC
  • Current Rating: 10 A
  • Configuration: 2NO
  • Weight: 5 lb
  • Family: Sirius
  • Country of Origin: Germany
  • Standards: IEC, UL
  • Applications: Motor control centers, conveyor systems, automated machinery


Product Identification
  • UPC: 75455441606
  • GTIN: 00754554416069