646PE21 Front
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646PE Series Pressure Switch

Brand: Custom Control Sensors, LLC
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002-646PE21 Side 003-646PE21 Gate Open 004-646PE21 Back 005-646PE21 Bottom 006-646PE21 Top 007-646PE21 Port
Specifications
  • Adjustable Set Point Range
    • Increasing
      • psig  20 - 5000
      • kPa  137.9 - 34,473.7
      • bar  1.4 - 344.7
    • Decreasing
      • psig  10 - 4520
      • kPa  69.0 - 31,164.3
      • bar  0.68 - 311.6
  • Deadband - Approximate: 10 - 480 psi, 69.0 - 3309.4 kPa, 0.68 - 33.1 bar
  • System Pressure - Maximum: 2000 - 7500 psig, 13,789.51 - 51,710.6 kPa, 138 - 517 bar
  • Proof Pressure: 3000 - 10,000 psig, 20,684.27 - 68,947.5 kPa, 207 - 690 bar
  • Wetted Materials
    • Pressure Port: 1/4" Female NPT Aluminum
    • Piston: 400 Stainless Steel
    • O-Ring: Buna N, Teflon
  • Relay: SPDT or DPDT 
  • UL, CSA
    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
  • CRN, CE Mark, Dual Seal

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Specifications

Brand

Adjustment Type

  • Field Adjustable

Approvals & Certifications

  • ATEX
  • CE
  • CRN
  • CRN - Alberta
  • CRN - British Columbia
  • CRN - Manitoba
  • CRN - N.W. Territories
  • CRN - Saskatchewan
  • CSA
  • cUL
  • Dual Seal
  • EMC
  • LVD
  • PED
  • RoHS
  • RTN
  • UL

Deadband, Approximate

  • bar: 0.68 to 33.1
  • kPa: 69.0 to 3,309
  • psig: 10 to 480

Electrical - Free Leads

  • 18” (45 cm) Free Leads
  • 18” (45 cm) Teflon Leadwire

Electrical Assembly

  • Hermetic Seal

Electrical Certification

  • ATEX - Baseefa Certified for Potentially Explosive Atmospheres. Models 646**Y, II 2 GD Ex d IIC, Ex Tb IIIC, Baseefa 05-ATEX-0011X. (Option Y)
  • c-UL, UL/CSA Explosion-proof: Div. 1, 2 Hermetically Sealed Electrical Assembly P/N 17-51 (17-73 for M Model Option), Listed by Both Underwriter’s Laboratories, Inc. (File No. E32961) & Canadian Standard Association (CSA)Testing Laboratories (File No. L

Electrical Connectors

  • 1/2” NPT Male

Electrical Contacts

  • Gold
  • Silver

Electrical Rating

  • 1 A at 125 Vac, 50/60 Hz
  • 11 A at 125/250 Vac Resisitve, 5 A at 28 Vdc, 0.5 A at 125 Vdc
  • 15 A at 125/250/480 Vac Resistive, 0.5 A at 125 Vdc, 0.2 A at 250 Vdc

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • Hazardous Area
  • IP54
  • IP66
  • NEMA 13
  • NEMA 4, 7, 9, 13 / IP54, 66
  • NEMA 7
  • NEMA 9

Manual Reset

  • Manual Reset on Increasing Pressure

NACE & NIST

  • NACE

NPT Connection

  • 1/4” NPT Female

O-Ring Material

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

Operating Temperature

  • -40° to 86° C (-40° to 187° F)

Piston Material

  • Stainless Steel

Process Connection Material

  • Aluminum

Proof Pressure

  • bar: 207 to 690
  • kPa: 20,684 to 68,948
  • psig: 3,000 to 10,000

Set Point - Decreasing

  • bar: 0.68 to 312
  • kPa: 69.0 to 31,164
  • psig: 10 to 4,520

Set Point - Increasing

  • bar: 1.4 to 345
  • kPa: 137.9 to 34,474
  • psig: 20 to 5,000

Switch Type

  • DPDT
  • SPDT

System Pressure

  • bar: 138 to 517
  • kPa: 13,790 to 51,711
  • psig: 2,000 to 7,500

Documentation

Data Sheets

Product Manuals

Brochures

Certifications & Approvals

Installation Instructions

Simple Envelope Drawing

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