NPA-Series NEMA 4 Electronic Pressure Switch

The Ashcroft® NPA Watertight pressure switch was designed to satisfy challenging applications requiring high cycle life with high current switch functionality. This design incorporates a transducer that uses proven thin film technology to trigger a high quality relay, making this an extremely repeatable, reliable and long lasting switch. This switch is ideal for use with pressure control, shutdown or alarm operations.

Key Features:
  • Pressure ranges up to 20,000 psi
  • Incorporates Ashcroft’s thin film sensing technology which provides repeatability and durability
  • Multi-turn potentiometers allow easy setpoint and deadband adjustments
  • Relay switch status indication light
  • SPDT 10 amp relay with optional 4-20 mA output
  • Designed for high cycle life ≥ 10 million cycles
  • CRN approved

Process Market:

Industrial Market:
Machine Tools
Injection Molding Machines
Turbines and Compressors
Specialized OEM Equipment
Process Applications:
Hydraulic Systems


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