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231P NEMA 4 & 13 Pressure Switch

Brand: ITT Neo-Dyn

The Neo-Dyn® Series 231P is a compact, adjustable pressure switch for high pressure hydraulic process applications. 

Using our efficient Nega-Rate® Belleville disc spring, we offer superior set point stability and vibration resistance.

Specifications

Brand

Adjustment Type

  • Field Adjustable

Ambient Temperature Range

  • -40° to 82° C (-40° to 180° F)

Approvals & Certifications

  • CE
  • CSA
  • IEC 61508 (SIL)
  • UL

Deadband, Approximate

  • bar: 6.205 to 34.47
  • kPa: 620.5 to 3,447
  • psig: 90 to 500

Diaphragm Material

  • None

Electrical - Free Leads

  • 18” (45 cm) Free Leads
  • 72” (182 cm) Free Leads

Electrical Connectors

  • 1/2” NPT Male
  • 3/4” NPT Conduit Box with Terminal Strip

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

Enclosure Finish

  • Epoxy Paint
  • No Finish

Enclosure, Body Material

  • 316 Stainless Steel
  • Aluminum

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 Male
  • 1/4” NPT Female

O-Ring Material

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

Options

  • Annealed Stainless Steel Port Screws
  • Mounting Bracket Kit

Process Connection Material

  • 316 Stainless Steel
  • Aluminum

Process Temperature

  • -40° to 149° C (-40° to 300° F)

Proof Pressure

  • bar: 344.7 to 689.5
  • kPa: 34,474 to 68,948
  • psig: 5,000 to 10,000

Set Point - Decreasing

  • bar: 17.23 to 448.2
  • kPa: 1,723 to 44,816
  • psig: 250 to 6,500

Set Point - Increasing

  • bar: 17.23 to 448.2
  • kPa: 1,723 to 44,816
  • psi: 250 to 6,500

Switch Type

  • DPDT
  • SPDT

System Pressure

  • bar: 0 to 551.6
  • kPa: 0 to 55,158
  • psig: 0 to 8,000

Documentation

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