NPA-Series NEMA 7 Pressure Switch

Brand: Ashcroft Inc
Does not ship to OH, United States

The Ashcroft NPA-Series NEMA 7 pressure switches are designed for pressure control in harsh applications needing high cycle rates functionality and are housed in NEMA 7/9 explosion proof enclosures.

The Ashcroft NPA-Series NEMA 7 pressure switch has been designed to be customised as an ideal solution for this type of pressure measurement.

Features
  • Multi-turn potentiometers allow easy setpoint and deadband adjustments 
  • Switch status indication 
  • SPDT 10 amp relay 

Specifications

Brand

Accuracy

  • ± 1.0 % of FSO

Enclosure Material

  • Aluminum

Process Connection

  • 1/2" NPT Male
  • 1/4" NPT Female
  • 1/4" NPT Female & 1/2" NPT Male Combination
  • 1/4" NPT Male
  • 1/8" NPT Female
  • 1/8" NPT Male
  • 7/16"-20 SAE Male - 1/4" SAE Female
  • 1/4" AMINCO Female

Stability

  • ± 0.5 % of FS/Year Non-cumulative

Pressure Range

  • 60 to 20,000 psi

Storage Temperature

  • -53° to 121° C (-65° to 250° F)

Compensated Temperature

  • -29° to 71° C (-20° to 160° F)

Operating Temperature

  • -28° to 82° C (-20° to 180° F)

Durability

  • 10⁸ Cycles 20/80% F.S. with Negligible Performance Change

Power Requirement

  • 110 Vac, 50/60 Hz
  • 24 Vdc
  • 250 Vac, 50/60 Hz

Response Time

  • ≤ 5 ms

Process Connection Material

  • 316 Stainless Steel

Diaphragm Material

  • 17-4PH Stainless Steel

Nonlinearity Terminal Point

  • ±0.7%

Hysteresis

  • ± 0.2 %

B.F.S.L.

  • ±0.4%

Nonrepeatability

  • ±0.07%

Interchangeability

  • ±1.0%

Response Time

  • < 5 ms

Environmental Protection

  • NEMA 3, 4, 4X and 13 / IP66

Thermal Coefficient

  • Zero/Span: ± 0.040% F.S./° F

Output Signal

  • 4-20 mA (2-Wire)

Supply Voltage

  • 36 Vdc (Unregulated)

  • Machine Tools
  • Injection Molding Machines
  • Presses
  • Pumps
  • Turbines and Compressors
  • Specialized OEM Equipment
  • Pipelines
  • Hydraulic Systems
  • High-Cycling

Documentation

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