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SIEMENS 3RH1921-1FA40 RELAY
SIEMENS 3RH1921-1FA40 RELAY

SIEMENS 3RH1921-1FA40 RELAY

  • Industrial automation systems
  • Motor control circuits
  • Auxiliary signal circuits with power contactors
  • Monitoring and safety systems
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  • Model: Siemens 3RH1921-1FA40
  • Type: Auxiliary contact block
  • Mounting: Front-mounted, snap-on type
  • Contact Configuration: 4NO (4 normally open contacts)
  • Compatible With: Siemens SIRIUS series contactors (e.g., 3RT102–3RT107)
  • Compliance: IEC 60947-5-1 standard
  • Mechanical Life: Approx. 10 million switching cycles
  • Electrical Endurance (AC-15):
    • 24V: 6A
    • 230V: 6A
    • 400V: 3A
    • 690V: 1A
  • Protection Class: IP20 (front side)
  • Operating Temperature: -25°C to +60°C
  • Storage Temperature: -55°C to +80°C
  • Mounting Standard: DIN EN 50005
  • Dimensions:
    • Width: 44 mm
    • Height: 38 mm
    • Depth: 51 mm
  • Connection Type: Screw terminal
  • Rated Insulation Voltage: 690V
  • Impulse Withstand Voltage: 6 kV