Images are representations only.

646DCE Series Pressure Switch

Brand: Custom Control Sensors
Features
  • Adjustable Set Point Range:
    • Increasing: 2 to 75 psid, 13.7 to 517.1 kPa, 0.138 to 5.2 bar
    • Decreasing: 0.5 to 69 psid, 3.4 to 475.7 kPa, 0.035 to 4.78 bar
  • Deadband: Approximately 1.5 to 6 psi, 10.3 to 41.3 kPa, 0.103 to 0.414 bar
  • System Pressure (Maximum): 750 psig, 5171 kPa, 52 bar
  • Proof Pressure:
    • Both Ports: 1000 psig, 6894.75 kPa, 69 bar
    • High: 1000 psig, 6894.75 kPa, 69 bar
    • Low: 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 
show more
Features
  • Adjustable Set Point Range:
    • Increasing: 2 to 75 psid, 13.7 to 517.1 kPa, 0.138 to 5.2 bar
    • Decreasing: 0.5 to 69 psid, 3.4 to 475.7 kPa, 0.035 to 4.78 bar
  • Deadband: Approximately 1.5 to 6 psi, 10.3 to 41.3 kPa, 0.103 to 0.414 bar
  • System Pressure (Maximum): 750 psig, 5171 kPa, 52 bar
  • Proof Pressure:
    • Both Ports: 1000 psig, 6894.75 kPa, 69 bar
    • High: 1000 psig, 6894.75 kPa, 69 bar
    • Low: 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 
8 models matching criteria
646DCE1-7076
CCS DUAL-SNAP Differential Press. Switch, Haz. Area, 1/4"NPT Welded SST Port & Diaphragm,TeflonLeads View More
  • Adjustable Set Point Range:
    • Increasing: 2 to 18 psid, 13.8 to 124.1 kPa, 0.138 to 1.24 bar
    • Decreasing: 0.5 to 16.5 psid, 3.45 to 113.7 kPa, 0.035 to 1.14 bar
  • Deadband: Approximately 1.5 psi, 10.342 kPa, 0.103 bar
  • System Pressure (Maximum): 750 psig, 5171 kPa, 52 bar
  • Proof Pressure:
    • Both Ports: 1000 psig, 6894 kPa, 69 bar
    • High: 1000 psig, 6894 kPa, 69 bar
    • Low: 500 psig, 3447 kPa, 34.5 bar

    • Wetted Materials:
      • Pressure Port:
        • 1/2" FNPT 300 Stainless Steel
      • Diaphragm: 300 Stainless Steel Welded Capsule
      • O-Ring: (low side) Fluoro Silicon
    • Relay: SPDT
    • Leads: 18 inch Teflon
    • UL, CSA
      • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
    • CE Mark
    Available Add-Ons: Stainless Steel Tag
    Contact For Inventory
    $1,919.66 USD
    Does not ship to US
    646DCE1
    CCS DUAL-SNAP Differential Pressure Switch, Haz. Area, 1/2" NPT 300 SST Welded Port & Diaphragm View More
    • Adjustable Set Point Range:
      • Increasing: 1.2-18 psid, 8.3-124.1 kPa, 0.083-1.24 bar
      • Decreasing: 0.4-17.2 psid, 2.8-118.5 kPa, 0.028-1.19 bar
    • Deadband: Approximately 0.8 psi, 5.51 kPa, 0.055 bar
    • System Pressure (Maximum): 400 psig, 2757.90 kPa, 28 bar
    • Proof Pressure:
      • Both Ports: 1300 psig, 8963 kPa, 89 bar
      • High: 1300 psig, 8963 kPa, 89 bar
      • Low: 750 psig, 5171.07 kPa, 52 bar

      • Wetted Materials:
        • Pressure Port:
          • 1/2" FNPT High Side
          • 1/4" FNPT Low Side
          • 300 Stainless Steel Welded Capsule
        • Diaphragm: Inconel
      • Relay: SPDT
      • UL, CSA
        • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
      • CE Mark
      Available Add-Ons: Stainless Steel Tag
      Contact For Inventory
      646DCE2
      CCS DUAL-SNAP Differential Press. Switch, Haz. Area, 1/4"NPT Welded SST Port & Diaphragm View More
      • Adjustable Set Point Range:

        • Increasing: 9-75 psid, 62.1-517.1 kPa, 0.62-5.2 bar
        • Decreasing: 3-69 psid, 20.7-475.7 kPa, 0.14-4.9 bar

        Deadband: Approximately 6 psig, 41.37 kPa, 0.414 bar
      • System Pressure (Maximum): 750 psig
      • Proof Pressure:
        • Both Ports: 1000 psig
        • High: 1000 psig
        • Low: 500 psig


        • Wetted Materials:
          • Pressure Port:
            • 1/2" FNPT High Side
            • 1/4" FNPT Low Side
            • 300 Stainless Steel Welded Capsule
          • Diaphragm: Inconel 600
        • Relay: SPDT
        • UL, CSA
          • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
        • CE Mark
        Available Add-Ons: Stainless Steel Tag
        Contact For Inventory
        646DCE2-7076
        CCS DUAL-SNAP Differential Press. Switch, Haz. Area, 1/4"NPT Welded SST Port & Diaphragm,TeflonLeads View More
        • Adjustable Set Point Range:
          • Increasing: 9 to 75 psid, 62.1 to 517.1 kPa, 0.62 to 5.2 bar
          • Decreasing: 4 to 69 psid, 27.5 to 475 kPa, 0.276 to 4.76 bar
        • Deadband: Approximately 6 psig, 41.37 kPa, 0.414 bar
        • System Pressure (Maximum): 750 psig, 5171 kPa, 52 bar
        • Proof Pressure:
          • Both Ports: 1000 psig, 6894 kPa, 69 bar
          • High: 1000 psig, 6894 kPa, 69 bar
          • Low: 500 psig, 3447 kPa, 34.5 bar

          • Wetted Materials:
            • Pressure Port:
              • 1/2" FNPT 300 Stainless Steel
            • Diaphragm: 300 Stainless Steel Welded Capsule
            • O-Ring: (low side) Fluoro Silicon
          • Relay: SPDT
          • Leads: 18 Inch Teflon
          • UL, CSA
            • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
          • CE Mark
          Available Add-Ons: Stainless Steel Tag
          Contact For Inventory
          646DCE4-7076
          CCS DUAL-SNAP Differential Press. Switch, Haz. Area, 1/4"NPT Welded SST Port & Diaphragm,TeflonLeads View More
          • Adjustable Set Point Range:

            • Increasing: 10-75 psi, 69.0-517.1 kPa, 0.69-5.2 bar
            • Decreasing: 3-69 psi, 20.7-475.7 kPa, 0.21-4.76bar
          • Deadband: Approximately 7 psi, 48.26 kPa, 0.48 bar
          • System Pressure (Maximum): 3000 psi,20684.27 kPa, 207 bar
          • Proof Pressure:
            • Both Ports: 5000 psi, 34473.79 kPa, 345 bar
            • High: 5000 psi, 34473.79 kPa, 345 bar
            • Low: 3000 psi,20684.27 kPa, 207 bar


            • Wetted Materials:
              • Pressure Port:
                • 1/2" FNPT High Side
                • 1/4" FNPT Low Side
                • 300 Stainless Steel Welded Capsule
              • Diaphragm: 300 Stainless Steel
            • Relay: SPDT
            • Leads: Teflon
            • UL, CSA
              • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
            • CE Mark
            Available Add-Ons: Stainless Steel Tag
            Contact For Inventory
            646DCEM2-7076
            CCS DUAL-SNAP Differential Press. Switch, Haz. Area, 1/4"NPT Welded SST P & D, DPDT TeflonLeads View More
            • Adjustable Set Point Range:

              • Increasing: 9 to 75 psid, 62.1 to 517.1 kPa, 0.62 to 5.2 bar
              • Decreasing: 4 to 69 psid, 27.5 to 475 kPa, 0.276 to 4.76 bar
            • Deadband: Approximately 6 psig, 41.37 kPa, 0.414 bar
            • System Pressure (Maximum): 750 psig, 5171 kPa, 52 bar
            • Proof Pressure:
              • Both Ports: 1000 psig, 6894 kPa, 69 bar
              • High: 1000 psig, 6894 kPa, 69 bar
              • Low: 500 psig, 3447 kPa, 34.5 bar


              • Wetted Materials:
                • Pressure Port:
                  • 1/2" FNPT 300 Stainless Steel
                • Diaphragm: 300 Stainless Steel Welded Capsule
                • O-Ring: (low side) Fluoro Silicon
              • Relay: DPDT
              • Leads: 18 Inch Teflon
              • UL, CSA
                • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
              • CE Mark
              Available Add-Ons: Stainless Steel Tag
              Contact For Inventory
              646DCEM4-7065
              CCS DUAL-SNAP Differential Press. Switch, Haz. Area, 1/4"NPT Welded SST Port & Diaphragm, DPDTTeflon View More
              • Adjustable Set Point Range:

                • Increasing: 10-75 psi, 69.0-517.1 kPa, 0.69-5.2 bar
                • Decreasing: 3-69 psi, 20.7-475.7 kPa, 0.21-4.76bar
              • Deadband: Approximately 7 psi, 48.26 kPa, 0.48 bar
              • System Pressure (Maximum): 3000 psi,20684.27 kPa, 207 bar
              • Proof Pressure:
                • Both Ports: 5000 psi, 34473.79 kPa, 345 bar
                • High: 5000 psi, 34473.79 kPa, 345 bar
                • Low: 3000 psi,20684.27 kPa, 207 bar


                • Wetted Materials:
                  • Pressure Port:
                    • 1/2" FNPT High Side
                    • 1/4" FNPT Low Side
                    • 300 Stainless Steel Welded Capsule
                  • Diaphragm: SST
                • Relay: DPDT
                • Leads: Teflon
                • UL, CSA
                  • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
                • CE Mark
                Available Add-Ons: Stainless Steel Tag
                Contact For Inventory
                646DCEM4-7076
                CCS DUAL-SNAP Differential Press. Switch, Haz. Area, 1/4"NPT Welded SST Port &Diaphragm, DPDT Teflon View More
                • Adjustable Set Point Range:

                  • Increasing: 10-75 psi, 69.0-517.1 kPa, 0.69-5.2 bar
                  • Decreasing: 3-69 psi, 20.7-475.7 kPa, 0.21-4.76bar
                • Deadband: Approximately 7 psi, 48.26 kPa, 0.48 bar
                • System Pressure (Maximum): 3000 psi,20684.27 kPa, 207 bar
                • Proof Pressure:
                  • Both Ports: 5000 psi, 34473.79 kPa, 345 bar
                  • High: 5000 psi, 34473.79 kPa, 345 bar
                  • Low: 3000 psi,20684.27 kPa, 207 bar


                  • Wetted Materials:
                    • Pressure Port:
                      • 1/2" FNPT High Side
                      • 1/4" FNPT Low Side
                      • 300 Stainless Steel Welded Capsule
                    • Diaphragm: SST
                  • Relay: DPDT
                  • Leads: Teflon
                  • UL, CSA
                    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
                  • CE Mark
                  Available Add-Ons: Stainless Steel Tag
                  Contact For Inventory

                  Specifications

                  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

                  Operating Temperature

                  • -40° to 86° C (-40° to 187° F)

                  O-Ring Material

                  • Ethylene Propylene (EPR)
                  • Viton

                  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