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646TE Series Temperature Switch

Brand: Custom Control Sensors
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The hazardous locations 646TEM Series is a rugged, heavy duty temperature switch, DPDT with a stainless steel temperature probe and port fitting.

Similar to the 604 Series in design, the 646TEM Series is UL/CSA explosion proof, Class I, Groups A, B, C and D, and Class II Groups E, F and G certified.

It comes with high vibration and shock resistance utilizing Dual Snap® disc spring technology.
Features
  • Adjustable Set Point Range:
    • Increasing: -30° to 420° F, -34° to 216° C
    • Decreasing: -39° to 414° F, -39° to 212° C
  • Deadband: Approximately
    • At Bottom of Range: 9° to 19° F, 5° to 11° C
    • At Top of Range: 3° to 6° F, 2° to 8° C
  • Probe Temperature (Maximum): 250° to 500° F, 121° to 260° C
  • Wetted Materials:
    • Temperature Probe: 300 Stainless Steel
    • O-Ring: Buna N
  • Relay: SPDT or DPDT 
  • UL, CSA
    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
  • CE Mark, Dual Seal
show more
The hazardous locations 646TEM Series is a rugged, heavy duty temperature switch, DPDT with a stainless steel temperature probe and port fitting.

Similar to the 604 Series in design, the 646TEM Series is UL/CSA explosion proof, Class I, Groups A, B, C and D, and Class II Groups E, F and G certified.

It comes with high vibration and shock resistance utilizing Dual Snap® disc spring technology.
Features
  • Adjustable Set Point Range:
    • Increasing: -30° to 420° F, -34° to 216° C
    • Decreasing: -39° to 414° F, -39° to 212° C
  • Deadband: Approximately
    • At Bottom of Range: 9° to 19° F, 5° to 11° C
    • At Top of Range: 3° to 6° F, 2° to 8° C
  • Probe Temperature (Maximum): 250° to 500° F, 121° to 260° C
  • Wetted Materials:
    • Temperature Probe: 300 Stainless Steel
    • O-Ring: Buna N
  • Relay: SPDT or DPDT 
  • UL, CSA
    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
  • CE Mark, Dual Seal
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Displaying prices & availability for United States in USD. Change location or currency

13 models matching criteria
646TE3
CCS DUAL-SNAP Temperature Switch, Haz. Area, 1/2" NPT 300 SST Direct Mt., Ni-Plated, Buna-N View More
  • Adjustable Set Point Range:

    • Increasing: +90°F to +210°F, +32°C to +99°C
    • Decreasing: +75°F to +195°F, +24°C to +91°C


    • Deadband: Approximately
      • At Bottom of Range: 15°F, 8°C
      • At Top of Range: 5°F, 8°C

    • Probe Temperature (Maximum): +300°F, +149°C
    • Wetted Materials:
      • Temperature Probe: 300 Stainless Steel, Nickel Plated Steel
      • O-Ring: Buna N

    • Relay: SPDT
    • UL, CSA
      • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D

    • CE Mark, NACE
    Available Add-OnsStainless Steel Tag
    5 In Stock
    $1,164.11USD
    $19.01 Shipping
    646TEY1
    CCS DUAL-SNAP Temperature Switch, Haz. Area, 1/2" NPT 300 SST Direct Mt., Ni-Plated, Buna-N, ATEX View More
    • Adjustable Set Point Range:

      • Increasing: -30°F to +55°F, -34°C to +13°C
      • Decreasing: -39°F to +52°F, -39°C to +11°C

    • Deadband: Approximately
      • At Bottom of Range: 9°F, 5°C
      • At Top of Range: 3°F, 2°C

    • Probe Temperature (Maximum): +250°F, +121°C
    • Wetted Materials:
      • Temperature Probe: 300 Stainless Steel
      • O-Ring: Buna N

    • Relay: SPDT
    • ATEX
      • ATEX Certified For Potentially Explosive Atmospheres Electrical Assembly Series
      • 46-XXXXXXX, Models 6*****, Ex d IIC T6, Directive 94/9/EC Sira #08ATEX 1046X (Option Y)
      • IECEx - SIRA Certified, SIR 10,0193X (Option Y)

      CE Mark, NACE, GOST
    Available Add-OnsStainless Steel Tag
    1 In Stock
    $2,851.77USD
    $19.01 Shipping
    646TE1
    CCS DUAL-SNAP Temperature Switch, Haz. Area, 1/2" NPT 300 SST Direct Mt., Ni-Plated, Buna-N View More
    • Adjustable Set Point Range:

      • Increasing: -30°F to +55°F, -34°C to +13°C
      • Decreasing: -39°F to +52°F, -39°C to +11°C


      • Deadband: Approximately
        • At Bottom of Range: 9°F, 5°C
        • At Top of Range: 3°F, 2°C

      • Probe Temperature (Maximum): +250°F, +121°C
      • Wetted Materials:
        • Temperature Probe: 300 Stainless Steel
        • O-Ring: Buna N

      • Relay: SPDT
      • UL, CSA
        • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D

      • CE Mark, NACE
      Available Add-OnsStainless Steel Tag
      Contact For Inventory
      $1,164.11USD
      Does not ship to US
      646TE2
      CCS DUAL-SNAP Temperature Switch, Haz. Area, 1/2" NPT 300 SST Direct Mt., Ni-Plated, Buna-N View More
      • Adjustable Set Point Range:
        • Increasing: +35°F to +140°F, +2°C to +60°C
        • Decreasing: +21°F to +135°F, -6°C to +57°C
        • Deadband: Approximately
          • At Bottom of Range: 14°F, 8°C
          • At Top of Range: 5°F, 3°C
        • Probe Temperature (Maximum): +300°F, +149°C
        • Wetted Materials:
          • Temperature Probe: 300 Stainless Steel, Nickel Plated Steel
          • O-Ring: Buna N
        • Relay: SPDT
        • UL, CSA
          • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
        • CE Mark, NACE
        Available Add-OnsStainless Steel Tag
        Contact For Inventory
        $1,164.11USD
        Does not ship to US
        646TE4
        CCS DUAL-SNAP Temperature Switch, Haz. Area, 1/2"NPT 300 SST Direct Mt., Ni-Plated,SiliconeRubber View More
        • Adjustable Set Point Range:
          • Increasing: +175°F to +310°F, +79°C to +154°C
          • Decreasing: +159°F to +305°F, +71°C to +152°C
          • Deadband: Approximately
            • At Bottom of Range: 16°F, 8°C
            • At Top of Range: 5°F, 2°C
          • Probe Temperature (Maximum): +500°F, +260°C
          • Wetted Materials:
            • Temperature Probe: 300 Stainless Steel, Nickel Plated Steel
            • O-Ring: Silicone Rubber
          • Relay: SPDT
          • UL, CSA
            • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
          • CE Mark, NACE
          Available Add-OnsStainless Steel Tag
          Contact For Inventory
          $1,164.11USD
          Does not ship to US
          646TE5
          CCS DUAL-SNAP Temperature Switch, Haz. Area, 1/2 NPT 300 SST Direct Mt., Ni-Plated,SiliconeRubber View More
          • Adjustable Set Point Range:
            • Increasing: +275 to +420 Degrees F, +135 to +216 Degrees C
            • Decreasing: +256 to +414 Degrees F, +124 to +212 Degrees
            • Deadband: Approximately
              • At Bottom of Range: 19 Degrees F, 11 Degrees C
              • At Top of Range: 6 Degrees F, 4 Degrees C
            • Probe Temperature (Maximum): +500 Degrees F, +260 Degrees C
            • Wetted Materials:
              • Temperature Probe: 300 Stainless Steel, Nickel Plated Steel
              • O-Ring: Silicone Rubber
            • Relay: SPDT
            • UL, CSA
              • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
            • CE Mark, NACE
            Available Add-OnsStainless Steel Tag
            Contact For Inventory
            $1,164.11USD
            Does not ship to US
            646TEM2
            CCS DUAL-SNAP Temperature Switch, Haz. Area, 1/2" NPT 300 SST Direct Mt., Ni-Plated, Buna-N, DPDT View More
            • Adjustable Set Point Range:
              • Increasing: +35°F to +140°F, +2°C to +60°C
              • Decreasing: +21°F to +135°F, -6°C to +57°C
              • Deadband: Approximately
                • At Bottom of Range: 14°F, 8°C
                • At Top of Range: 5°F, 3°C
              • Probe Temperature (Maximum): +300°F, +149°C
              • Wetted Materials:
                • Temperature Probe: 300 Stainless Steel, Nickel Plated Steel
                • O-Ring: Buna N
              • Relay: DPDT
              • UL, CSA
                • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
              • CE Mark, NACE
              Available Add-OnsStainless Steel Tag
              Contact For Inventory
              $1,243.08USD
              Does not ship to US
              646TEM3
              CCS DUAL-SNAP Temperature Switch, Haz. Area, 1/2" NPT 300 SST Direct Mt., Ni-Plated, Buna-N, DPDT View More
              • Adjustable Set Point Range:
                • Increasing: +90°F to +210°F, +32°C to +99°C
                • Decreasing: +75°F to +195°F, +24°C to +91°C
                • Deadband: Approximately
                  • At Bottom of Range: 15°F, 8°C
                  • At Top of Range: 5°F, 8°C
                • Probe Temperature (Maximum): +300°F, +149°C
                • Wetted Materials:
                  • Temperature Probe: 300 Stainless Steel, Nickel Plated Steel
                  • O-Ring: Buna N
                • Relay: DPDT
                • UL, CSA
                  • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
                • CE Mark, NACE
                Available Add-OnsStainless Steel Tag
                Contact For Inventory
                $1,243.08USD
                Does not ship to US
                646TEM4
                CCS DUAL-SNAP Temp. Switch, Haz. Area, 1/2" NPT 300 SST Direct Mt., Ni-Plated,SiliconeRubber,DPDT View More
                • Adjustable Set Point Range:
                  • Increasing: +175°F to +310°F, +79°C to +154°C
                  • Decreasing: +159°F to +305°F, +71°C to +152°C


                  • Deadband: Approximately
                    • At Bottom of Range: 16°F, 8°C
                    • At Top of Range: 5°F, 2°C

                  • Probe Temperature (Maximum): +500°F, +260°C
                  • Wetted Materials:
                    • Temperature Probe: 300 Stainless Steel
                    • O-Ring: Silicone Rubber

                  • Relay: DPDT
                  • UL, CSA
                    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D

                  • CE Mark, NACE
                  Available Add-OnsStainless Steel Tag
                  Contact For Inventory
                  $1,243.08USD
                  Does not ship to US
                  646TEM1
                  CCS DUAL-SNAP Temperature Switch, Haz. Area, 1/2" NPT 300 SST Direct Mt., Ni-Plated, Buna-N, DPDT View More
                  • Adjustable Set Point Range:
                    • Increasing: -30°F to +55°F, -34°C to +13°C
                    • Decreasing: -39°F to +52°F, -39°C to +11°C
                    • Deadband: Approximately
                      • At Bottom of Range: 9°F, 5°C
                      • At Top of Range: 3°F, 2°C
                    • Probe Temperature (Maximum): +250°F, +121°C
                    • Wetted Materials:
                      • Temperature Probe: 300 Stainless Steel, Nickel Plated Steel
                      • O-Ring: Buna N
                    • Relay: DPDT
                    • UL, CSA
                      • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
                    • CE Mark, NACE
                    Available Add-OnsStainless Steel Tag
                    Contact For Inventory
                    Show More Models (2)
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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 - Bottom of Range

                    • -13° to -7° C (9° to 19° F)
                    • 5° to 11° C (41° to 52° F)

                    Deadband, Approximate - Top of Range

                    • -16° to -14° C (3° to 6° F)
                    • 2° to 8° C (36° to 46° F)

                    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
                    • 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

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

                    Maximum Sensor, Probe Temperature

                    • 121° to 260° C (250° to 500° F)

                    NACE & NIST

                    • NACE MR-0175: 2003

                    NPT Connection

                    • 1/2” NPT Male

                    Operating Temperature

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

                    O-Ring Material

                    • None

                    Proof Pressure

                    • bar: 103.4
                    • kPa: 10,342
                    • psig: 1,500

                    Sensor, Probe Material

                    • Stainless Steel with Nickel-Plated Steel

                    Set Point - Decreasing

                    • -39° to 212° C
                    • -39° to 212° C (-38° to 414° F)

                    Set Point - Increasing

                    • -34° to 216° C
                    • -34° to 216° C (-30° to 420° F)

                    Switch Type

                    • DPDT
                    • SPDT

                    System Pressure

                    • bar: 86
                    • kPa: 8,618
                    • psig: 1,250
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                    Typical Applications

                    • Oil & Gas
                    • Power Generation
                    • Fluid Management
                    • Chemical Refining and Processing
                    • Manufacturing Process
                    • Utilities, Water Treatment and Waste
                    • Safety Systems
                    Close