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142P NEMA 4 & 13 Pressure Switch

Brand: ITT Neo-Dyn

An Ultra low pressure and vacuum to pressure crossover switch. 

It has Unique construction using efficient Nega-Rate® Belleville disc spring for stable set points and high proof pressure. 

A Wide range of wetted materials makes this series well suited for applications that formerly required the use of diaphragm seals.

Specifications

Brand

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

Ambient Temperature Range

  • -40° to 82° C (-40° to 180° F)

Approvals & Certifications

  • CE
  • SIL

Deadband, Approximate

  • Inch WC: 0.75 to 1
  • mbar: 1.86 to 2.49

Diaphragm Material

  • Hastelloy C-276
  • Polyimide
  • Stainless Steel
  • Tantalum

Electrical Connectors

  • 1/2” NPT Female Conduit Connection with Terminal Block

Electrical Contacts

  • Gold
  • Standard

Electrical Rating

  • 11 A or 1/4 hp at 125/250 Vac, 5 A Resistive / 3 A Inductive at 28 Vac, 0.5 A Resistive at 125 Vdc
  • 15 A at 125/250 Vac, 1/4 hp at 125 Vac, 1/2 hp at 250 Vac, 1 A Resistive / 0.5 A Inductive at 125 Vdc
  • 15 A at 125/250 Vac, 1/8 hp at 125 Vac, 1/4 hp at 250 Vac, 0.5 A Resistive / 0.04 A Inductive at 125 Vdc

Enclosure Finish

  • Epoxy Paint
  • No Finish

Environmental Protection

  • IP14
  • IP54
  • IP66
  • NEMA 13
  • NEMA 3, 3R, 3S, 4, 4X, 13 / IP14, 54, 66
  • NEMA 3R
  • NEMA 3S
  • NEMA 4
  • NEMA 4X

NPT Connection

  • 1/2” NPT Female

O-Ring Material

  • Buna-N
  • Ethylene Propylene (EPR)
  • Kalrez
  • Viton

Options

  • Neon Indicator Light 115 Vac

Process Connection Material

  • 316 Stainless Steel
  • Hastelloy C-276

Process Temperature

  • -46° to 121° C (-50° to 250° F)

Proof Pressure

  • 30” WC Vacuum to 100 psig

Set Point - Decreasing

  • Inches WC: -1 to 40
  • mbar: 2.5 to 99.6

Set Point - Increasing

  • Inches WC: -1 to 40
  • mbar: 2.5 to 99.6

Switch Type

  • Double Break
  • DPDT
  • SPDT

System Pressure

  • 30” WC Vacuum to 15 psig
  • 74.7 Mbar Vacuum to 100 psig

Documentation

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