Ashcroft NPA-Series NEMA 4 Watertight Electronic Pressure Switches
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.
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
Applications
- Process Market
- Pipelines
- Industrial Market
- Machine Tools
- Injection Molding Machines
- Presses
- Pumps
- Turbines and Compressors
- Specialized OEM Equipment
- Process Applications
- Hydraulic Systems

CE
CRN
CSA