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Siemens 3RH2921-1DA11 - Auxiliary Switch Block 1NO/1NC (600V, 10A)

Siemens
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Siemens 3RH2921-1DA11 is a contactor and motor starter auxiliary switch block designed for use with Siemens 3RT2 contactors and 3RU2 thermal overload relays to provide additional signaling or control functions. This auxiliary contact block is rated for a maximum coil voltage of 600V AC/DC and carries a current rating of 10A, with a configuration of 1 normally open and 1 normally closed contact. The device weighs 0.09 lb and operates within a temperature range of -13 to 158 °F (-25 to 70 °C), featuring a compact design for direct mounting onto compatible contactor frames. It is certified to EN standards, ensuring compliance with European industrial safety and performance requirements. Typical applications include motor control centers, conveyor systems, and industrial automation panels where auxiliary contacts are needed for status indication or interlocking circuits.

Key Features & Specifications
  • Type: Contactor And Motor Starter Auxiliary Switch Block
  • Voltage Rating: 600V AC/DC
  • Current Rating: 10A
  • Configuration: 1NO/1NC
  • Aux Contacts: 1 NO, 1 NC
  • Certification: EN
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Weight: 0.09 lb
  • Manufacturer: Siemens


Product Identification
  • UPC: 662643908497