642DE Series Pressure Switch

Brand: Custom Control Sensors
  • Fixed Set Point Range:
    • Increasing: 1.5 to 80 psid, 10.4 to 551.5 kPa, 0.103 to 5.52 bar
    • Decreasing: 1.0 to 72 psid, 6.9 to 496.4 kPa, 0.069 to 4.96 bar
  • Deadband: Approximately
    • At Bottom of Range: 0.5 psi, 3.45 kPa, 0.034 bar
    • At Top of Range: 8 psi, 55.16 kPa, 0.55 bar
    System Pressure (Maximum): 160 psig, 1103.16 kPa, 11.03 bar
  • Proof Pressure:
    • Both Ports: 250 psig, 1,723.69 kPa, 17.24 bar
    • High: 250 psig, 1,723.69 kPa, 17.24 bar
    • Low: 120 psig, 827.37 kPa, 8.27 bar
  • Wetted Materials:
    • Pressure Port: 1/4" Female NPT Aluminum
    • Diaphragm: Polyimide
    • O-Ring: Buna N 
  • Relay: SPDT
  • UL, CSA
    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
  • CE Mark
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Images are representations only.
  • Fixed Set Point Range:
    • Increasing: 1.5 to 80 psid, 10.4 to 551.5 kPa, 0.103 to 5.52 bar
    • Decreasing: 1.0 to 72 psid, 6.9 to 496.4 kPa, 0.069 to 4.96 bar
  • Deadband: Approximately
    • At Bottom of Range: 0.5 psi, 3.45 kPa, 0.034 bar
    • At Top of Range: 8 psi, 55.16 kPa, 0.55 bar
    System Pressure (Maximum): 160 psig, 1103.16 kPa, 11.03 bar
  • Proof Pressure:
    • Both Ports: 250 psig, 1,723.69 kPa, 17.24 bar
    • High: 250 psig, 1,723.69 kPa, 17.24 bar
    • Low: 120 psig, 827.37 kPa, 8.27 bar
  • Wetted Materials:
    • Pressure Port: 1/4" Female NPT Aluminum
    • Diaphragm: Polyimide
    • O-Ring: Buna N 
  • Relay: SPDT
  • UL, CSA
    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
  • CE Mark
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642DE

Factory Set Point

O-Ring

Output

Paint

Specifications

Adjustment Type

  • Factory Set (Pre-Set)

Approvals & Certifications

  • CE
  • CSA
  • EMC
  • LVD
  • RoHS
  • RTN
  • UL

Deadband, Approximate - Bottom of Range

  • bar: 0.034
  • kPa: 3.45
  • psi: 0.5

Deadband, Approximate - Top of Range

  • bar: 0.55
  • kPa: 55.16
  • psi: 8

Diaphragm Material

  • Polyimide

Electrical Assembly

  • Hermetic Seal

Electrical Connectors

  • 1/2" NPT Male

Electrical Rating

  • 1 A at 125 Vac, 1 A at 30 Vdc
  • 15 A at 125/250/480 Vac Resistive, 0.5 A at 125 DC, 0.2 A at 250 DC
  • 5 A at 125/250 Vac Resistive, 5 A at 28 DC, 0.5 A at 125 DC

Enclosure, Body Material

  • Aluminum

Environmental Protection

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

Maximum System Pressure

  • bar: 7.9 to 35.48
  • kPa: 790 to 3,548
  • psig: 100 to 500

NPT Connection

  • 1/4" NPT Female

O-Ring Material

  • Buna-N
  • Viton

Proof Pressure - Both Ports

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

Proof Pressure - High Over Low

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

Proof Pressure - Low Over High

  • bar: 8.27
  • kPa: 827.37
  • psig: 120

Service

  • Sweet (Oil & Gas)

Set Point - Decreasing

  • bar: 0.07 to 4.96
  • kPa: 6.9 to 496.4
  • psid: 1.0 to 72

Set Point - Increasing

  • bar: 0.103 to 5.52
  • kPa: 10.4 to 551.5
  • psid: 1.5 to 80

Switch Type

  • DPDT
  • SPDT

System Pressure

  • bar: 11.03
  • kPa: 1,103
  • psig: 160

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