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646VZE Series Pressure Switch

Brand: Custom Control Sensors
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Features
  • Adjustable Set Point Range:
    • Increasing Vacuum: 3.5 to 28.5 Inches Hg, 89 to 724 mm Hg
    • Decreasing Vacuum: 1 to 26 Inches Hg, 25 to 660 mm Hg
  • Deadband: Approximately 2.5 Inches Hg, 64 mm Hg
  • System Pressure (Maximum): 150 psig, 1,034.21 kPa, 10.3 bar
  • Proof Pressure: 250 psig, 1,723.69 kPa, 17.2 bar
  • Wetted Materials:
    • Pressure Port: 1/2" Female NPT 316 Stainless Steel
    • Diaphragm: Polyimide
    • O-Ring: Viton
  • 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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Features
  • Adjustable Set Point Range:
    • Increasing Vacuum: 3.5 to 28.5 Inches Hg, 89 to 724 mm Hg
    • Decreasing Vacuum: 1 to 26 Inches Hg, 25 to 660 mm Hg
  • Deadband: Approximately 2.5 Inches Hg, 64 mm Hg
  • System Pressure (Maximum): 150 psig, 1,034.21 kPa, 10.3 bar
  • Proof Pressure: 250 psig, 1,723.69 kPa, 17.2 bar
  • Wetted Materials:
    • Pressure Port: 1/2" Female NPT 316 Stainless Steel
    • Diaphragm: Polyimide
    • O-Ring: Viton
  • 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

  • Inches Hg: 2.5
  • mmHg: 64

Diaphragm Material

  • Polyimide
  • Stainless Steel
  • Viton Dacron

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, 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
  • 15 A at 125/250/480 Vac Resistive, 0.5 A at 125 Vdc, 0.2 A at 250 Vdc
  • 5 A at 125/250 Vac Resistive, 5 A at 28 Vdc, 0.5 A at 125 Vdc

Enclosure, Body Material

  • Aluminum

Environmental Protection

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

NACE & NIST

  • NACE

NPT Connection

  • 1/2” NPT Female

Operating Temperature

  • -40° to 86° C (-40° to 187° F)

O-Ring Material

  • Ethylene Propylene (EPR)
  • Viton

Process Connection Material

  • 316 Stainless Steel
  • Aluminum

Proof Pressure

  • bar: 17.24
  • kPa: 1,724
  • psig: 250

Service

  • Sweet (Oil & Gas)

Set Point - Decreasing

  • Inches Hg: -1 to 26
  • mmHg: -25 to 660

Set Point - Increasing

  • Inches Hg: -3.5 to 28.5
  • mmHg: -89 to 724

Switch Type

  • DPDT
  • SPDT

System Pressure

  • bar: 10.3
  • kPa: 1,034
  • psig: 150
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Documentation

Data Sheets

Product Manuals

Brochures

Certifications & Approvals

Installation Instructions

Simple Envelope Drawing

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