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646TEM4 Front

646TE Series Temperature Switch

Brand: Custom Control Sensors, LLC
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646TEM4 FrontAngle 646TEM4 Back
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 - Approximate
    • 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

1 - 12 of 81 Part Numbers
646TE1
646TE1
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Buna-N, SPDT, Approvals: UL, CSA, CE, CCC, EAC, Dual Seal
  • 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 - Approximate
    • 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
646TE1-7008
646TE1-7008
  • Base Model - 646TE1
  • Process Connection - 1/2"-14 Male NPT
  • Output - SPDT
  • Electrical Contacts - Gold Contacts - SPDT
  • Agency Approvals - UL, CSA, CE, Dual Seal
  • Paint - Standard Finish
646TE1-7008-7034
646TE1-7008-7034
  • Base Model - 646TE1
  • Process Connection - 1/2"-14 Male NPT
  • Output - SPDT
  • Electrical Contacts - Gold Contacts - SPDT
  • Agency Approvals - UL, CSA, CE, Dual Seal
  • Paint - Epoxy Paint
646TE1-7034
646TE1-7034
  • Base Model - 646TE1
  • Process Connection - 1/2"-14 Male NPT
  • Output - SPDT
  • Electrical Contacts - Silver
  • Agency Approvals - UL, CSA, CE, Dual Seal
  • Paint - Epoxy Paint
646TE2
646TE2
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Buna-N, SPDT, Approvals: UL, CSA, CE, CCC, EAC, Dual Seal
  • 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 - Approximate
    • 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
646TE2-7008
646TE2-7008
  • Base Model - 646TE2
  • Process Connection - 1/2"-14 Male NPT
  • Output - SPDT
  • Electrical Contacts - Gold Contacts - SPDT
  • Agency Approvals - UL, CSA, CE, Dual Seal
  • Paint - Standard Finish
646TE2-7008-7034
646TE2-7008-7034
  • Base Model - 646TE2
  • Process Connection - 1/2"-14 Male NPT
  • Output - SPDT
  • Electrical Contacts - Gold Contacts - SPDT
  • Agency Approvals - UL, CSA, CE, Dual Seal
  • Paint - Epoxy Paint
646TE2-7034
646TE2-7034
  • Base Model - 646TE2
  • Process Connection - 1/2"-14 Male NPT
  • Output - SPDT
  • Electrical Contacts - Silver
  • Agency Approvals - UL, CSA, CE, Dual Seal
  • Paint - Epoxy Paint
646TE3
646TE3
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Buna-N, SPDT, Approvals: UL, CSA, CE, CCC, EAC, Dual Seal
  • 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 - Approximate
    • 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
646TE3-7008
646TE3-7008
  • Base Model - 646TE3
  • Process Connection - 1/2"-14 Male NPT
  • Output - SPDT
  • Electrical Contacts - Gold Contacts - SPDT
  • Agency Approvals - UL, CSA, CE, Dual Seal
  • Paint - Standard Finish
646TE3-7008-7034
646TE3-7008-7034
  • Base Model - 646TE3
  • Process Connection - 1/2"-14 Male NPT
  • Output - SPDT
  • Electrical Contacts - Gold Contacts - SPDT
  • Agency Approvals - UL, CSA, CE, Dual Seal
  • Paint - Epoxy Paint
646TE3-7034
646TE3-7034
  • Base Model - 646TE3
  • Process Connection - 1/2"-14 Male NPT
  • Output - SPDT
  • Electrical Contacts - Silver
  • Agency Approvals - UL, CSA, CE, Dual Seal
  • Paint - Epoxy Paint
1 - 12 of 81 Part Numbers

View_Details

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

O-Ring Material

  • None

Operating Temperature

  • -40° to 86° C (-40° to 187° F)

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

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

Documentation

Data Sheets

Product Manuals

Brochures

Certifications & Approvals

Installation Instructions

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