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ASCO P Series Temperature Switch

Brand: ASCO
ASCO P-Series temperature switches consist of an open frame or enclosure protected switch unit and a transducer unit.
 
They can be ordered separately for customer stocking and/or field assembly or as a complete factory-assembled unit.
 
P-Series temperature switch units incorporate the unique ASCO TRI-POINT alternating fulcrum balance plate to control the operation of one or more electrical snap-action swtiches.
 
The electrical snap-action switch together with the adjusting mechanism is a fully-tested, self-contained subassembly.
Features
  • Set point repeatability, ±1° F (1/2° C)
  • 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
  • Visual adjustment scales in °F and °C
  • Direct mount (local) or capillary and bulb (remote) sensors
  • Temperature transducers available with copper or 316 SS wetted material
  • Withstands high overrange temperatures
  • Mix and match switch and transducer components for increased stock flexibility or to change pressure ranges in field
ASCO P-Series temperature switches consist of an open frame or enclosure protected switch unit and a transducer unit.
 
They can be ordered separately for customer stocking and/or field assembly or as a complete factory-assembled unit.
 
P-Series temperature switch units incorporate the unique ASCO TRI-POINT alternating fulcrum balance plate to control the operation of one or more electrical snap-action swtiches.
 
The electrical snap-action switch together with the adjusting mechanism is a fully-tested, self-contained subassembly.
Features
  • Set point repeatability, ±1° F (1/2° C)
  • 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
  • Visual adjustment scales in °F and °C
  • Direct mount (local) or capillary and bulb (remote) sensors
  • Temperature transducers available with copper or 316 SS wetted material
  • Withstands high overrange temperatures
  • Mix and match switch and transducer components for increased stock flexibility or to change pressure ranges in field
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Specifications

Brand

Switch Type

  • SPDT

Electrical Rating

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

Enclosure Finish

  • Epoxy Painted & Zinc-Coated

Environmental Protection

  • NEMA 1, 4 / IP10, 66
  • NEMA 4

Approvals & Certifications

  • CSA
  • UL

Maximum Sensor, Probe Temperature

  • 121° to 287° C (250° to 550° F)

Enclosure, Body Material

  • 316 Stainless Steel

Transducer Material

  • 316 Stainless Steel
  • Copper

Capillary Material

  • 316 Stainless Steel
  • Copper

Set Point - Decreasing

  • -34° to 265° C (-30° to 510° F)

Set Point - Increasing

  • -34° to 265° C (-30° to 510° F)

Capillary Length

  • 6 to 80 ft

Operating Temperature

  • -40° to 121° C (-40° to 250° F)
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