646DCE1-7076
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646DCE Series Pressure Switch

Brand: Custom Control Sensors, LLC
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646DCE1-7076FrontLeft 646DCE1-7076FrontRight 646DCE1-7076RearLeft 646DCE1-7076RearRight 646DCE1-7076BottomRight 007 646DCE1-7076BottomLeft 008 646DCE1-7076ProcessConnection
Specifications
  • Adjustable Set Point Range
    • Increasing
      • psid  2 - 75
      • kPa  13.7 - 517.1
      • bar  0.138 - 5.2
    • Decreasing
      • psid  0.5 - 69
      • kPa  3.4 - 475.7
      • bar  0.035 - 4.78
  • Deadband - Approximate:  1.5 - 6 psi, 10.3 - 41.3 kPa, 0.103 - 0.414 bar
  • System Pressure - Maximum: 750 psig, 5171 kPa, 52 bar
  • Proof Pressure
    • Both Ports Simultaneously: 1000 psig, 6894.75 kPa, 69 bar
    • High over Low: 1000 psig, 6894.75 kPa, 69 bar
    • Low over High: 500 psig, 3447.37 kPa, 34.5 bar
  • Wetted Materials
    • Pressure Port: 1/2" Female NPT 300 Stainless Steel Welded Capsule
    • Diaphragm: 300 Stainless Steel Welded Capsule
    • O-Ring - Low Pressure Side: 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

  • bar: 0.103 to 0.414
  • kPa: 10.4 to 41.3
  • psi: 1.5 to 6

Diaphragm Material

  • Stainless Steel

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 Resistive, 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

NACE & NIST

  • NACE MR-0175: 2003

NPT Connection

  • 1/2” NPT Female Welded Diaphragm - Internal with Port Cavity

O-Ring Material

  • Ethylene Propylene (EPR)
  • Viton

Operating Temperature

  • -40° to 86° C (-40° to 187° F)

Process Connection Material

  • 316 Stainless Steel

Proof Pressure - Both Ports

  • bar: 69
  • kPa: 6,895
  • psig: 1,000

Proof Pressure - High Over Low

  • bar: 69
  • kPa: 6,895
  • psig: 1,000

Proof Pressure - Low Over High

  • bar: 34.5
  • kPa: 3447
  • psig: 500

Service

  • Sour (Oil & Gas)

Set Point - Decreasing

  • bar: 0.035 to 4.78
  • kPa: 3.5 to 475.7
  • psid: 0.5 to 69

Set Point - Increasing

  • bar: 0.138 to 5.2
  • kPa: 13.8 to 124.1
  • psid: 2 to 75

Switch Type

  • DPDT
  • SPDT

System Pressure

  • bar: 52
  • kPa: 5,171
  • psig: 750

Documentation

Data Sheets

Brochures

Certifications & Approvals

Installation Instructions

Simple Envelope Drawing

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