P25F Range: Hot Surface Ignition (HSI)

P25F Range: Hot Surface Ignition (HSI)


Technology: Safety limits and Controls

Product Category: Electronic Controls

Application: HVAC

Brand: Pactrol


Due to its flexible list of programmable options, the P25F HSi automatic burner control operates a range of burner systems, including Warm Air and radiant Tube Heaters and commercial ovens and grills. The Hot Surface Ignition output learns the optimal ignition temperature to maximize the lifetime of the ignitor. The self-checking flame detector can be used in permanent operation applications.

  • Fuel Type
  • Flame Detection
  • Enclosure
  • Gas
  • Ionisation
  • IP20
  • Hot Surface Ignition
  • Learning Algorithm to maximise Ignitor Lifetime
  • Atmospheric or Forced Draught Applications with optional Air Proving
  • Lockout Indicator
  • Programmable Timings and options

Agency Ratings

(consult catalog for details)

  • Catalog
    10H Linear Limit Product Specfications
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P25F Range: Spark Ignition

P25F Range: Spark Ignition


Technology: Safety limits and Controls

Product Category: Electronic Controls

Application: HVAC

Brand: Pactrol


The P25F Spark automatic burner control operates a range of burner systems, including Warm Air & Radiant Tube Heaters and commercial ovens and grills, due to its flexible list of programmable options. The flexible probe configuration can be used in single, dual or triple mode electrode configuration. The self-checking flame detector allows use in permanent operation applications.

  • Fuel Type
  • Flame Detection
  • Enclosure
  • Gas
  • Ionisation
  • IP20
  • Spark Ignitor Output
  • Single, Dual or Triple Probe Configurations
  • Single or Two-Stage Gas Valve
  • Atmospheric or Forced Draught Applications with optional Air Proving
  • Lockout Indicator
  • Programmable Timings and options

Agency Ratings

(consult catalog for details)

  • Catalog
    10H Linear Limit Product Specfications
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GXAM04 Ceramic Packaged Thermal Fuse

GXAM04 Ceramic Packaged Thermal Fuse


Technology: Safety limits and Controls

Product Category: Packaged Thermal Fuses

Application: Appliance

Brand: MICROTEMP


Designed primarily for HVAC heating applications, the GXAM04 and GXAM06 packages mount a standard thermal fuse on a high temperature ceramic base.

  • Function:
  • Tf Range:
  • Max Electrical Rating:
  • One-Shot Fuse
  • 72°C – 257°C 162°F – 495°F
  • 25A/250VAC
  • UL agency recognition on packaged TCO design

Agency Ratings

(consult catalog for details)

  • Catalog
    MicroTemp Application Notes
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Auto Reset Bi-metal Controls

Auto Reset Bi-metal Controls


Technology: Safety limits and Controls

Product Category: Bi-metal

Application: Transportation

Brand: Therm-O-Disc


The 48T 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
  • 150°C / 302 °F
  • 10
  • Low internal resistance
  • Vibration resistant construction provides high reliability
  • Surface, airstream or stud mounting configurations
  • Large selection of terminals and lead wires

Agency Ratings

(consult catalog for details)

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

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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Biased Auto Reset Bi-metal Control

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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High Temperature Bi-metal Control

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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Auto Reset Bi-metal Control

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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Auto Reset Bi-metal Controls

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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Manual Reset Bi-metal Control

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
    Read More
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