50P Pressure Sensor

50P Pressure Sensor


Technology: Sensing

Product Category: Pressure Sensors

Application: Automotive, HVAC

Brand: Therm-O-Disc


Sensience newly developed moisture resistant pressure sensor is resilient and able to withstand harsh media including refrigerants. The sensor has applications in many industries with flexibility to meet custom mounting and connection requirements.

  • Operating Environment:
  • Operating Temperature:
  • Thermal Response (Sec.):
  • Automotive
  • -40°C to 150°C (-40°F to 302°F)
  • Thermal Response (Sec.):
  • Contains piezo resistive MEMS chip for a smaller, simpler design.
  • Absolute and Differential types available
  • Pressures 1 to 50 bar

Agency Ratings

(consult catalog for details)

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A2L Gas Refrigerant Sensor

A2L Gas Refrigerant Sensor


Technology: Sensing

Product Category: Gas Sensors

Application: HVAC, Refrigeration

Brand: Therm-O-Disc


Reliable A2L Refrigerant sensor with Micro-Machined Membrane (MMM) Technology partnered with NevadaNano Technology that is UL 60335-2-40 Compliant, immune to poisoning, can withstand humid environments up to 100% condensing RH, detect <10 seconds to 25% LFL Level and have 15 years lifetime.

  • Refrigerant

  • Operating Environment
  • *Operating Temperature
  • Thermal Response (Sec.)
  • Agency Compliance
  • Storage Temperature
  • *Operating Humidity Ranges
  • *Operating Pressure Ranges
  • Measurement Range
  • Resolution
  • Response Time
  • Lifetime
  • Communication Interface
  • R-32, R-454 Blends
  • Humid
  • -40°C to 80°C (-40°F to 176°F)
  • <10 to 25% LFL Level
  • UL 60335-2-40 Annex LL
  • -40 to 85°C (unpowered)
  • 0-100% RH Condensing
  • 65 to 110kPa
  • 0-100% LFL
  • 0.1% LFL
  • <10 seconds to 100% LFL step change
  • 15+ years with no calibration required
  • RS-485 Modbus RTU
    Digital serial UART (3.3V or SV)
    Analog (0-3.3V)

*Not required by the UL standard; therefore not evaluated by UL.

  • Enables hydrofluorocarbon (HFC) phasedown using A2L refrigerants less than 750 GWP.
  • Uses Micro-Machined Membrane (MMM) technology.
  • Sensors can be calibrated for R-32 and R-454 blends.
  • Meets all AHRTI testing requirements including vibration testing, and is proven to be best-in-class.
  • Immune to poisoning: Insensitive to poisoning from chemicals listed in UL-60335-2-40 Annex LL.
  • No calibration / maintenance: No false alarms due to ambient conditions with the built-in environmental sensor for temperature, humidity, and pressure.
  • Resistant to condensing environments
  • Long life span: 15+ years

Agency Ratings

(consult catalog for details)

  • Catalog
    A2L Gas Sensor Brochure - Chinese
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  • Catalog
    A2L Gas Sensor - Japanese
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  • Catalog
    A2L Gas Sensor - Korean
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  • Catalog
    A2L Gas Sensor Brochure - English
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36T Manual Reset Bi-metal Control

36T Manual Reset Bi-metal Control


Technology: Safety limits and Controls

Product Category: Bi-metal

Application: Appliance, HVAC

Brand: Therm-O-Disc


The 36T manual reset control from Therm–O–Disc® offers proven reliability in a compact, versatile, cost–effective design. The snap-action of the bimetal disc provides high-speed contact separation resulting in excellent life cycle characteristics at electrical loads up to 15amps at 120VAC, and 10 amps at 250VAC.

  • Function:
  • Max Calibration:
  • Max Electrical Amperage:
  • Manual Reset
  • 177°C / 350°F
  • 15
  • Non-trip free design
  • Minimum manual reset -31°F (-35°C)
  • Enclosed or exposed disc
  • Plastic or ceramic construction
  • Conical or gold contacts available

Agency Ratings

(consult catalog for details)

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69T Biased Auto Reset Bi-metal Control

69T Biased Auto Reset Bi-metal Control


Technology: Safety limits and Controls

Product Category: Bi-metal

Application: Appliance, HVAC

Brand: Therm-O-Disc


The 69T line of 3/4” (19mm) bi-metal disc temperature controls from Therm–O–Disc® offers multiple temperature operations in a unique, cost effective design. The snap-action bi-metal disc provides high speed contact separation resulting in exceptional life characteristics at electrical loads up to 25 amps at 240 VAC. By utilizing heaters mounted internally, the open or close calibration of the bi-metal disc can be biased lower. The 69T is a cost-effective alternative in applications where multiple temperature control is required.

  • Function:
  • Max Calibration:
  • Max Electrical Amperage:
  • Biased Auto Reset
  • 112°C / 233°F
  • 25
  • Available in automatic reset single pole, single throw and single pole, double throw switch configurations
  • Enclosed or exposed disc
  • Wide variety of terminals

Agency Ratings

(consult catalog for details)

  • Catalog
    69T Internal Heater Biased Temperature Controls Product Specifications
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49T High Temperature Bi-metal Control

49T High Temperature Bi-metal Control


Technology: Safety limits and Controls

Product Category: Bi-metal

Application: Appliance, HVAC

Brand: Therm-O-Disc


The 49T series of controls from Therm-O-Disc® offers proven 3/4” (19mm) bi-metal disc reliability in a high temperature package.

  • Function:
  • Max Calibration:
  • Max Electrical Amperage:
  • High Temp Auto Reset or Fuse
  • 288°C / 550°F
  • 25
  • #8 screw terminals
  • Contacts open or close on temperature rise
  • Enclosed or exposed disc available

Agency Ratings

(consult catalog for details)

  • Catalog
    49T, 49F Snap Action Temperature Controls Product Specifcations
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64T Auto Reset Bi-metal Control

64T Auto Reset Bi-metal Control


Technology: Safety limits and Controls

Product Category: Bi-metal

Application: HVAC

Brand: Therm-O-Disc


The 64T is a 3/4 inch bi-metal double pole single throw control that breaks two separate circuits simultaneously. The snap-action of the bi-metal disc provides high-speed contact separation resulting in excellent life cycle characteristics at electrical loads up to 25 amps at 240 VAC. It is used in both electric heat and appliance applications where double pole single throw switching is desirable.

  • Function:
  • Max Calibration:
  • Max Electrical Amperage:
  • Double Pole Auto Reset
  • 177°C / 350°F
  • 25
  • Enclosed or exposed disc
  • Variety of terminal configurations
  • Surface and airstream mounting configurations

Agency Ratings

(consult catalog for details)

  • Catalog
    64T, 64F Temperature Controls Product Specifications
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44T Auto Reset Bi-metal Controls

44T Auto Reset Bi-metal Controls


Technology: Safety limits and Controls

Product Category: Bi-metal

Application: Appliance, HVAC

Brand: Therm-O-Disc


The 44T series line of bi-metal temperature switches provide high contact speed separation resulting in exceptional life characteristics.

  • Function:
  • Max Calibration:
  • Max Electrical Amperage:
  • Moisture Resistant Auto Reset or One-Shot Fuse
  • 149°C / 300 °F
  • 1
  • Low internal resistance
  • Vibration resistant construction provides high reliability
  • Available in one-shot fuse type (44F)
  • UL Agency Recognition

Agency Ratings

(consult catalog for details)

  • Catalog
    44T, 48T Auto Reset Bimetal Controls Product Specfications
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60T Manual Reset Bi-metal Control

60T Manual Reset Bi-metal Control


Technology: Safety limits and Controls

Product Category: Bi-metal

Application: Appliance, HVAC

Brand: Therm-O-Disc


The 60T manual reset control from Therm–O–Disc® offers proven reliability in a compact, versatile, cost-effective design. The snap-action of the bi-metal disc provides high-speed contact separation resulting in excellent life cycle characteristics at electrical loads up to 25 amps at 240 VAC. The 60T carries global agency recognition and is used in many major appliances and HVAC applications.

  • Function:
  • Max Calibration:
  • Max Electrical Amperage:
  • Manual Reset
  • 177°C / 350°F
  • 25
  • Agency approved “M2” trip free manual reset
  • Enclosed or exposed disc
  • Variety of terminal configurations
  • Surface and airstream mounting configurations

Agency Ratings

(consult catalog for details)

  • Catalog
    60T Snap Action Temperature Controls Product Specifications
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36T Auto Reset Bi-metal Control

36T Auto Reset Bi-metal Control


Technology: Safety limits and Controls

Product Category: Bi-metal

Application: Appliance, HVAC

Brand: Therm-O-Disc


The 36T auto reset control from Therm–O–Disc® offers proven reliability in a compact, versatile, cost-effective design. The snap-action of the bimetal disc provides high-speed contact separation resulting in excellent life cycle characteristics at electrical loads up to 15 amps at 120VAC, and 10 amps at 250VAC.

  • Function:
  • Max Calibration:
  • Max Electrical Amperage:
  • Auto Reset
  • 220°C / 428 °F
  • 15
  • Global agency recognition
  • CTI 250 construction available
  • Enclosed or exposed disc
  • Plastic or ceramic construction
  • Conical or gold contacts available

Agency Ratings

(consult catalog for details)

  • Catalog
    36T Snap Action Temperature Controls Product Specifications
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60T Auto Reset Bi-metal Control

60T Auto Reset Bi-metal Control


Technology: Safety limits and Controls

Product Category: Bi-metal

Application: Appliance, HVAC

Brand: Therm-O-Disc


The 60T auto reset control from Therm–O–Disc® offers proven reliability in a compact, versatile, cost-effective design. The snap-action of the bi-metal disc provides high-speed contact separation resulting in excellent life cycle characteristics at electrical loads up to 25 amps at 240 VAC. The 60T carries global agency recognition and is used in many major appliances and HVAC applications.

  • Function:
  • Max Calibration:
  • Max Electrical Amperage:
  • Auto Reset
  • 177°C / 350°F
  • 25
  • Single pole, single throw or single pole, double throw
  • Enclosed or exposed disc
  • Variety of terminal configurations
  • Surface and airstream mounting configurations

Agency Ratings

(consult catalog for details)

  • Catalog
    60T Snap Action Temperature Controls Product Specifications
    Read More
  • DO NOT DELETE OR UNPUBLISH - Test Resource
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