646TE Series Temperature Switch

Brand: Custom Control Sensors
  • Adjustable Set Point Range:
    • Increasing: -30°F to +420°F, -34°C to +216°C
    • Decreasing: -39°F to +414°F, -39°C to +212°C
  • Deadband: Approximately
    • At Bottom of Range: +9°F to +19°F, +5°C to +11°C
    • At Top of Range: +3°F to +6°F, +2°C to +8°C
  • Probe Temperature (Maximum): +250°F to +500°F, +121°C 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
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.
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  • Adjustable Set Point Range:
    • Increasing: -30°F to +420°F, -34°C to +216°C
    • Decreasing: -39°F to +414°F, -39°C to +212°C
  • Deadband: Approximately
    • At Bottom of Range: +9°F to +19°F, +5°C to +11°C
    • At Top of Range: +3°F to +6°F, +2°C to +8°C
  • Probe Temperature (Maximum): +250°F to +500°F, +121°C 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
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.
13 models matching criteria
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
8 In Stock
$695.00USD
$9.99 Shipping
646TEY1
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Buna-N, SPDT, Approvals: UL, CSA, Approvals: ATEX, GOST, IECEx, CE, CCC, EAC, Dual Seal
1 In Stock
$662.00USD
$9.99 Shipping
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
10 - 12 weeks
$1,460.00USD
$9.99 Shipping
available on backorder
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
10 - 12 weeks
$1,460.00USD
$9.99 Shipping
available on backorder
646TE4
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Silicone Rubber O-Ring, SPDT, Approvals: UL, CSA, CE, CCC, EAC, Dual Seal
10 - 12 weeks
$1,460.00USD
$9.99 Shipping
available on backorder
646TE5
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Silicone Rubber O-Ring, SPDT, Approvals: UL, CSA, CE, CCC, EAC, Dual Seal
10 - 12 weeks
$1,460.00USD
$9.99 Shipping
available on backorder
646TEM2
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Buna-N, DPDT, Approvals: UL, CSA, CE, CCC, EAC, Dual Seal
10 - 12 weeks
$1,561.00USD
$9.99 Shipping
available on backorder
646TEM3
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Buna-N, DPDT, Approvals: UL, CSA, CE, CCC, EAC, Dual Seal
10 - 12 weeks
$1,561.00USD
$9.99 Shipping
available on backorder
646TEM4
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Silicone Rubber O-Ring, Approvals: UL, CSA, CE, CCC, EAC, Dual Seal
45 - 60 days
$1,561.00USD
$9.99 Shipping
available on backorder
646TEM1
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Buna-N, DPDT, Approvals: UL, CSA, CE, CCC, EAC, Dual Seal
10 - 12 weeks
646TEM2-7076
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Buna-N, DPDT, Teflon, Approvals: UL, CSA, CE, CCC, EAC, Dual Seal
10 - 12 weeks
646TEM5
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Silicone Rubber O-Ring, Approvals: UL, CSA, CE, CCC, EAC, Dual Seal
10 - 12 weeks
646TEMY2-7008
CCS DUAL-SNAP Temperature Switch, Hazardous Area, 1/2" NPT 300 SST Direct Mount, Nickel-Plated Steel, Buna-N, DPDT, Approvals: UL, CSA, Approvals: ATEX, GOST, IECEx, CE, CCC, EAC, Dual Seal
10 - 12 weeks

646TE

Base Model

Process Connection

Output

Output

Output

Output

Output

Electrical Contacts

Agency Approvals

Agency Approvals

Agency Approvals

Agency Approvals

Agency Approvals

Paint

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 - 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

Typical Applications

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

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