646TEM4 Front
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646TE Series Temperature Switch

Brand: Custom Control Sensors, LLC

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

Specifications

Brand

Area Classification

  • Hazardous Area

Approvals

  • ATEX
  • CE
  • CCC
  • CSA
  • cUL
  • Dual Seal
  • GOST
  • UL

Adjustable or Pre-Set Set Point

  • Field Adjustable

Set Point °C  ▲

  • Minimum: -34
  • Maximum: 216

Set Point °C  ▼

  • Minimum: -39
  • Maximum: 212

Set Point °F  ▲

  • Minimum: -30
  • Maximum: 420

Set Point °F  ▼

  • Minimum: -39
  • Maximum: 414

Deadband, Approx. at Top of Range °C

  • Minimum: 2
  • Maximum: 4

Deadband, Approx. at Bottom of Range °C

  • Minimum: 5
  • Maximum: 11

Deadband, Approx. at Top of Range °F

  • Minimum: 3
  • Maximum: 6

Deadband, Approx. at Bottom of Range °F

  • Minimum: 9
  • Maximum: 19

Process Connection Type & Size

  • 1/2"-14 NPT Male

Process Connection Material

  • 300 Stainless Steel

NACE

  • NACE MR 0175 / ISO 15156

O-Ring

  • Buna-N
  • Silicone Rubber

Enclosure Rating

  • IP 66
  • NEMA 4
  • NEMA 7
  • NEMA 9
  • NEMA 13

Max. Probe Temp. °C

  • Minimum: 66
  • Maximum: 260

Max. Probe Temp. °F

  • Minimum: 150
  • Maximum: 500

Operating Temp. Range °C

  • Minimum: -40
  • Maximum: 86

Operating Temp. Range °F

  • Minimum: -40
  • Maximum: 186

Electrical Connection Size

  • 1/2"-14 NPT Male

Electrical Termination Type

  • Wire Leads 18" : 45 cm
  • Wire Leads 18" : 45 cm Teflon for Low Temp

Electrical Contacts Form

  • SPDT
  • DPDT
  • Double Break

Electrical Contacts Material

  • Silver
  • Gold

Voltage Electrical Rating

  • 0 - 250 VAC
  • 251 - 480 VAC
  • 0 - 125 VDC
  • 126 - 250 VDC

Ampere Rating

  • 0.2 to 15 A

SIL Level

  • SIL 2
  • SIL 3

RoHS

Housing Material

  • Aluminum

Gender

  • Male

Electrical Assembly

  • Hermetic Seal

Adjustment Type

  • Field Adjustable

O-Ring Material

  • None

Operating Temperature

  • -40° to 86° C (-40° to 187° F)

Enclosure, Body Material

  • Aluminum

Maximum Sensor, Probe Temperature

  • 121° to 260° C (250° to 500° F)

Process Connection

  • 1/2" NPT Male

System Pressure

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

Deadband, Approximate - Top of Range

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

Electrical Termination Type

  • 18" (45 cm) Free Leads
  • 18" (45 cm) Teflon Leadwire

NACE & NIST

  • NACE MR-0175: 2003

Set Point Range - Increasing

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

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)
  • cUL, UL/CSA, Hazardous Areas, Div. 1, 2

Approvals & Certifications

  • ATEX
  • CE
  • CRN - Canadian Registration Number
  • CRN - Alberta
  • CRN - British Columbia
  • CRN - Manitoba
  • CRN - N.W. Territories
  • CRN - Saskatchewan
  • CSA
  • cUL
  • Dual Seal
  • EMC
  • LVD
  • PED
  • RoHS
  • RTN
  • UL

Switch Type

  • SPDT
  • DPDT

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

Sensor, Probe Material

  • Stainless Steel with Nickel-Plated Steel

Set Point Range - Decreasing

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

Deadband, Approximate - Bottom of Range

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

Electrical Connectors

  • 1/2" NPT Male

Environmental Protection

  • IP 54
  • IP 66
  • NEMA 4
  • NEMA 7
  • NEMA 9
  • NEMA 13

Proof Pressure

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

Electrical Contacts

  • Silver
  • Gold

  • 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

Simple Envelope Drawing

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