Images are representations only.

646PE Series Pressure Switch

Brand: Custom Control Sensors
Features
  • Adjustable Set Point Range:
    • Increasing: 20 to 5,000 psig, 137.9 to 3,4473.7 kPa, 1.4 to 344.7 bar
    • Decreasing: 10 to 4,520 psig, 69.0 to 31,164.3 kPa, 0.68 to 311.6 bar 
  • Deadband: Approximately 10 to 480 psi, 69.0 to 3,309.4 kPa, 0.68 to 33.1 bar
  • System Pressure (Maximum): 2,000 to 7,500 psig, 13,789.51 to 51,710.6 kPa, 138 to 517 bar
  • Proof Pressure: 3,000 to 10,000 psig, 20,684.27 to 68,947.5 kPa, 207 to 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
show more
Features
  • Adjustable Set Point Range:
    • Increasing: 20 to 5,000 psig, 137.9 to 3,4473.7 kPa, 1.4 to 344.7 bar
    • Decreasing: 10 to 4,520 psig, 69.0 to 31,164.3 kPa, 0.68 to 311.6 bar 
  • Deadband: Approximately 10 to 480 psi, 69.0 to 3,309.4 kPa, 0.68 to 33.1 bar
  • System Pressure (Maximum): 2,000 to 7,500 psig, 13,789.51 to 51,710.6 kPa, 138 to 517 bar
  • Proof Pressure: 3,000 to 10,000 psig, 20,684.27 to 68,947.5 kPa, 207 to 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
29 models matching criteria
646PE12
CCS DUAL-SNAP Piston Switch, Haz. Area, 1/4" NPT Aluminum Port, 400 SST, Buna-N, Teflon View More
  • Adjustable Set Point Range:
    • Increasing: 20 to 200 psig, 137.9 to 1378.9 kPa, 1.4 to 13.8 bar
    • Decreasing: 10 to 188 psig, 69.0 to 1296.2 kPa, 0.68 to 12.9 bar

      • Deadband: Approximately 10 to 12 psi, 69.0 to 82.7 kPa, 0.68 to 0.83 bar
      • System Pressure (Maximum): 2000 psig, 13789.51 kPa, 138 bar
      • Proof Pressure: 3000 psig, 20684.27 kPa, 207 bar
      • Wetted Materials:
        • Pressure Port: 1/4" FNPT Aluminum
        • Piston: 400 Stainless Steel
        • O-Ring: Buna N, Teflon
      • Relay: SPDT
      • UL, CSA
        • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
        • Dual Seal - ANSI/ISA - 12.27.01-2003
      • CRN, CE Mark
      Available Add-Ons: Stainless Steel Tag
      Contact For Inventory
      $1,123.57 USD
      Does not ship to US
      646PE15
      CCS DUAL-SNAP Piston Switch, Haz. Area, 1/4"NPT Aluminum Port, 400 SST, Buna-N, Teflon View More
      • Adjustable Set Point Range:
        • Increasing: 170 to 1400 psig, 1172.2 to 9652.6 kPa, 11.7 to 96.5 bar
        • Decreasing: 90 to 1230 psig, 620.6 to 8480.5 kPa, 6.2 to 84.8 bar
          • Deadband: Approximately 80 to 170 psi, 551.6 to 1172.1 kPa, 5.5 to 11.7 bar
          • System Pressure (Maximum): 3000 psig, 20684.27 kPa, 207 bar
          • Proof Pressure: 5000 psig, 34473.78 kPa, 345 bar
          • Wetted Materials:
            • Pressure Port: 1/4" FNPT Aluminum
            • Piston: 400 Stainless Steel
            • O-Ring: Buna N, Teflon
          • Relay: SPDT
          • UL, CSA
            • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
            • Dual Seal - ANSI/ISA - 12.27.01-2003
          • CRN, CE Mark
          Available Add-Ons: Stainless Steel Tag
          Contact For Inventory
          $1,123.57 USD
          Does not ship to US
          646PE31
          CCS DUAL-SNAP Piston Switch, Haz. Area, 1/4" NPT Aluminum Port, 400 SST, Buna-N, Teflon View More
          • Pressure Port: 1/4" FNPT Aluminum
          • Piston: 400 Stainless Steel, O-Ring: Buna N, Teflon, Relay: SPDT
          • Adjustable Set Point Range:
            • Increasing: 2500 to 5000 psig, 17236.9 to 34473.7 kPa, 172.4 to 344.7 bar
            • Decreasing: 2220 to 4520 psig, 15306.4 to 31164.3 kPa, 153.1 to 311.6 bar
          • Deadband: Approximately 280 to 480 psi, 1930.6 to 3309.4 kPa, 19.3 to 33.1 bar
          • System Pressure: 7500 psig, 51710.68 kPa, 517 bar
          • Proof Pressure: 10000 psig, 68947.57 kPa, 690 bar
          • UL, CSA
            • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
          • CRN, CE Mark
          Available Add-Ons: Stainless Steel Tag
          Contact For Inventory
          $1,123.57 USD
          Does not ship to US
          646PE21
          CCS DUAL-SNAP Piston Switch, Haz. Area, 1/4" NPT Aluminum Port, 400 SST, Buna-N, Teflon View More
          • Adjustable Set Point Range:

            • Increasing: 300 to 3000 psig, 2068.5 to 20684.2 kPa, 20.7 to 206.8 bar
            • Decreasing: 180 to 2780 psig, 1241.1 to 19167.4 kPa, 12.4 to 191.6 bar


              • Deadband: Approximately 120 to 220 psi, 827.4 to 1516.8 kPa, 8.3 to 15.2 bar
              • System Pressure (Maximum): 5000 psig, 34473.78 kPa, 345 bar
              • Proof Pressure: 7500 psig, 51710.68 kPa, 517 bar
              • Wetted Materials:
                • Pressure Port: 1/4" FNPT Aluminum
                • Piston: 400 Stainless Steel
                • O-Ring: Buna N, Teflon
              • Relay: SPDT
              • UL, CSA
                • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
              • CRN, CE Mark
              Available Add-Ons: Stainless Steel Tag
              Contact For Inventory
              $1,124.35 USD
              Does not ship to US
              646PEM12
              CCS DUAL-SNAP Piston Switch, Haz. Area, 1/4" NPT Aluminum Port, 400 SST, Buna-N, Teflon, DPDT View More
              • Adjustable Set Point Range:
                • Increasing: 20 to 200 psig, 137.9 to 1378.9 kPa, 1.4 to 13.8 bar
                • Decreasing: 10 to 188 psig, 69.0 to 1296.2 kPa, 0.68 to 12.9 ba
                  • Deadband: Approximately 10 to 12 psi, 69.0 to 82.7 kPa, 0.68 to 0.83 bar
                  • System Pressure (Maximum): 2000 psig, 13789.51 kPa, 138 bar
                  • Proof Pressure: 3000 psig, 20684.27 kPa, 207 bar
                  • Wetted Materials:
                    • Pressure Port: 1/4" FNPT Aluminum
                    • Piston: 400 Stainless Steel
                    • O-Ring: Viton
                  • Relay: SPDT
                  • UL, CSA
                    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
                    • Dual Seal - ANSI/ISA - 12.27.01-2003
                  • CRN, CE Mark
                  Available Add-Ons: Stainless Steel Tag
                  Contact For Inventory
                  $1,222.11 USD
                  Does not ship to US
                  646PEM15
                  CCS DUAL-SNAP Piston Switch, Haz. Area, 1/4" NPT Aluminum Port, 400 SST, Buna-N, Teflon, DPDT View More
                  • Pressure Port: 1/4" FNPT Aluminum
                  • Piston: 400 Stainless Steel, O-Ring: Buna N, Teflon, Relay: DPDT
                  • Adjustable Set Point Range:
                    • Increasing: 170 to 1400 psig, 1172.2 to 9652.6 kPa, 11.7 to 96.5 bar
                    • Decreasing: 90 to 1230 psig, 620.6 to 8480.5 kPa, 6.2 to 84.8 bar
                  • Deadband: Approximately 80 to 170 psi, 551.6 to 1172.1 kPa, 5.5 to 11.7 bar
                  • System Pressure: 3000 psig, 20684.27 kPa, 207 bar
                  • Proof Pressure: 5000 psig, 34473.78 kPa, 345 bar
                  • UL, CSA
                    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
                    • Dual Seal - ANSI/ISA - 12.27.01-2003
                  • CRN, CE Mark
                  Available Add-Ons: Stainless Steel Tag
                  Contact For Inventory
                  $1,222.11 USD
                  Does not ship to US
                  646PEM21
                  CCS DUAL-SNAP Piston Switch, Haz. Area, 1/4" NPT Aluminum Port, 400 SST, Buna-N, Teflon, DPDT View More
                  • Adjustable Set Point Range:
                    • Increasing: 300 to 3000 psig, 2068.5 to 20684.2 kPa, 20.7 to 206.8 bar
                    • Decreasing: 180 to 2780 psig, 1241.1 to 19167.4 kPa, 12.4 to 191.6 bar
                      • Deadband: Approximately 120 to 220 psi, 827.37 to 1516.85 kPa, 8.3 to 15.2 bar
                      • System Pressure (Maximum): 5000 psig, 34473.78 kPa, 345 bar
                      • Proof Pressure: 7500 psig, 51710.68 kPa, 517 bar
                      • Wetted Materials:
                        • Pressure Port: 1/4" FNPT Aluminum
                        • Piston: 400 Stainless Steel
                        • O-Ring: Buna N, Teflon
                      • Relay: DPDT
                      • UL, CSA
                        • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
                      • CRN, CE Mark
                      Available Add-Ons: Stainless Steel Tag
                      Contact For Inventory
                      $1,222.11 USD
                      Does not ship to US
                      646PEM31
                      CCS DUAL-SNAP Piston Switch, Haz. Area, 1/4" NPT Aluminum Port, 400 SST, Buna-N, Teflon, DPDT View More
                      • Adjustable Set Point Range:
                        • Increasing: 2500 to 5000 psig, 17236.9 to 34473.7 kPa, 172.4 to 344.7 bar
                        • Decreasing: 2220 to 4520 psig, 15306.4 to 31164.3 kPa, 153.1 to 311.6 bar
                          • Deadband: Approximately 280 to 480 psi, 1930.53 to 3309.48 kPa, 19.3 to 33.1 bar
                          • System Pressure (Maximum): 7500 psig, 51710.67 kPa, 517 bar
                          • Proof Pressure: 10000 psig, 68947.57 kPa, 690 bar
                          • Wetted Materials:
                            • Pressure Port: 1/4" FNPT Aluminum
                            • Piston: 400 Stainless Steel
                            • O-Ring: Buna N, Teflon
                          • Relay: DPDT
                          • UL, CSA
                            • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
                          • CRN, CE Mark
                          Available Add-Ons: Stainless Steel Tag
                          Contact For Inventory
                          $1,222.11 USD
                          Does not ship to US
                          646PE748
                          CCS DUAL-SNAP Piston Switch, Special
                          Available Add-Ons: Stainless Steel Tag
                          Contact For Inventory
                          $1,465.76 USD
                          Does not ship to US
                          646PEA21
                          CCS DUAL-SNAP Piston Switch, Haz. Area, 1/4" NPT Aluminum Port, 400 SST, Viton O-Ring View More
                          • Adjustable Set Point Range:

                            • Increasing: 300 to 3000 psig, 2068.5 to 20684.2 kPa, 20.7 to 206.8 bar
                            • Decreasing: 180 to 2780 psig, 1241.1 to 19167.4 kPa, 12.4 to 191.6 bar


                              • Deadband: Approximately 120 to 220 psi, 827.4 to 1516.8 kPa, 8.3 to 15.2 bar
                              • System Pressure (Maximum): 5000 psig, 34473.78 kPa, 345 bar
                              • Proof Pressure: 7500 psig, 51710.68 kPa, 517 bar
                              • Wetted Materials:
                                • Pressure Port: 1/4" FNPT Aluminum
                                • Piston: 400 Stainless Steel
                                • O-Ring: Viton, Teflon
                              • Relay: SPDT
                              • UL, CSA
                                • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
                              • CRN, CE Mark
                              Available Add-Ons: Stainless Steel Tag
                              Contact For Inventory
                              $1,506.89 USD
                              Does not ship to US

                              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: 0.68 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

                              Operating Temperature

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

                              O-Ring Material

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

                              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