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3RH1921-1HA22

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May 08, 2025
Category Connection: Elevator Spare Parts
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#Elevator Spare Parts #Elevator Spare Parts Supplier #Lift Spare Parts
Brief: Discover the Siemens PLC Auxiliary Switch Module 3RH1921-1HA22, a reliable elevator spare part designed for industrial automation. This module provides additional NO/NC contacts, ensuring seamless control circuit feedback and safety interlocking in PLC-controlled systems.
Related Product Features:
  • Snap-on attachment compatible with SIRIUS 3RT/3RH contactors for easy installation.
  • Offers 1 NO + 1 NC contact configuration for versatile control applications.
  • Rated operational current up to 10 A (AC-15, 230V) for robust performance.
  • Mechanical life of up to 10 million operations ensures long-term reliability.
  • Electrical life of up to 100,000 operations, depending on load conditions.
  • Insulation voltage of 500 V for enhanced safety in industrial environments.
  • IP20 protection class ensures finger-safe operation when mounted.
  • Complies with IEC 60947-5-1 and holds CE, UL, and cULus certifications.
Faqs:
  • What is the function of the 3RH1921-1HA22 auxiliary switch module?
    The 3RH1921-1HA22 provides additional normally open (NO) or normally closed (NC) auxiliary contacts for Siemens contactors and relays, enhancing control circuit feedback and safety interlocking.
  • Which Siemens contactors is the 3RH1921-1HA22 compatible with?
    This module is designed for SIRIUS 3RT contactors (e.g., 3RT2, 3RT6) and 3RH relay series, ensuring seamless integration into existing systems.
  • What are the typical applications for the 3RH1921-1HA22 module?
    It is widely used in industrial automation for motor control, conveyor systems, safety interlocking in control panels, and signal feedback in PLC-controlled systems.
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