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Airflow sensors

KLIXON solid-state airflow switches are ideal for recognising loss or reduction of airflow in electronic equipment. Typically used in power supplies, data processing equipment, and large electronic cabinets. Unlike its electro-mechanical vane switch predecessor, Sensata's solid-state switch continues to provide reliable switching, even in dirty environments.

Sensor features:

  • Solid-state design for improved reliability
  • SPST or SPDT configuration
  • Normally open or closed
  • Commercial or military grades available
  • Low power dissipation (approximately 3 watts)
  • Excellent shock and vibration resistance


  • Supply voltage: 30 VDC maximum
  • Switching capacity: up to 400 milliamps
  • Operating temperature range: +10°C to +50°C
  • Ambient temperature range: up to 150°C
  • 100,000 life cycle
  • Weight: approximately 20 grams

Sensor Applications:

Klixon airflow sensors are designed to recognise loss or reduction of airflow in:

  • Power supplies
  • Data processing units
  • Commercial electronic equipment
  • Military electronic equipment

Approved for:

  • Military
  • Aerospace
  • Commercial customer specifications and source control drawings.

Klixon® Solid-State Vane Switch information