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P-Series Pressure Switch

Brand: ASCO
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ASCO P-Series pressure switches consist of an open frame or enclosure protected switch unit and a transducer unit.

They can be ordered separately for cus-tomer stocking and/or field assembly or as a complete factory-assembled unit.
Features
  • Set point repeatability, +1% of operating range.
  • All wiring terminals, adjustments and visual scales are accessible from the front of the switch.
  • Choice of open frame type, general purpose or watertight enclosure.
  • Choice of fixed, limited-adjustable or full-range adjustable deadband.
  • Choice of single or two-stage units.
  • Compact size.
  • Mounts in any position.
  • Rugged and vibration resistant; e.g., for compressors.
  • Visual adjustment scales in psig and bars.
  • Wide selection of transducer wetted materials suitable for air, water, oil or corrosive fluids.
  • Mix and match switch and transducer components for increased stock flexibility or to change pressure ranges in field.

View Details

Specifications

Brand

Adjustable Set Point Range

  • psig: 0 to 6,000

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

Ambient Temperature Range

  • -20° to 50° C (-4° to 122° F)

Approvals & Certifications

  • CSA
  • FM
  • UL

Deadband, Approximate

  • bar: 0.003 to 44.81
  • kPa: 0.34 to 4,481
  • psig: 0.05 to 650

Diaphragm Material

  • Buna-N
  • Ethylene Propylene (EPR)
  • Fluorosilicone
  • Neoprene
  • Stainless Steel
  • Viton

Electrical Connectors

  • Internal Terminal Strip

Electrical Contacts

  • Gold

Electrical Rating

  • 1/2 A at 125 Vdc
  • 1/4 A at 250 Vdc
  • 1/4 hp at 250 Vac
  • 1/8 hp at 125 Vac
  • 10 A at 250 Vac
  • 15 A at 125 Vac

Enclosure, Body Material

  • None
  • Stainless Steel

Environmental Protection

  • General-purpose
  • Open Frame
  • Watertight

Manual Reset

  • Fixed Reset
  • Full Range Reset

Media

  • Air
  • Gas
  • Oil
  • Water

NPT Connection

  • 1/2” NPT Female
  • 1/4” NPT Female

Process Connection Material

  • 316 Stainless Steel
  • Aluminum
  • Brass
  • Polyester Nylon

Proof Pressure

  • bar: 34.4 to 620.5
  • kPa: 344.7 to 62,052
  • psig: 50 to 9,000

Set Point - Decreasing

  • bar: 0 to 413.68
  • kPa: 0 to 41,368
  • psig: 0 to 6,000

Set Point - Increasing

  • bar: 0 to 413.68
  • kPa: 0 to 41,368
  • psig: 0 to 6,000

Switch Type

  • SPDT

System Pressure

  • bar: 0 to 620.5
  • kPa: 0 to 62,052
  • psig: 0 to 9,000

Documentation

Data Sheets

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