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Overview

2450HRG Series Phenolic Automatic Reset Thermostats.
The 2450HR Series consists of a temperature-sensitive bimetal disc, electrically isolated from the switch, which actuates the normally closed contacts. The contacts open when the surface or ambient temperatures increase to the operating snap point of the calibrated disc. Response to temperature changes is extremely rapid due to the inherently low mass of the disc and the small size of the product. These products are factory calibrated to the customer’s specification.
2450HRG 80040472 Automatic Reset - Honeywell

Technical Specifications

Functional Properties Open on rise
Reset Type Automatic
Operating Temperature 0 °C to 150 °C [32 °F to 302 °F]
Amperage 0.5 A
Voltage 250 Vac/50 Vdc
Open Temperature 85.6 °C [186 °F]
Open Tolerance 2.8 °C [5 °F]
Close Temperature 74.4 °C [166 °F]
Close Tolerance 3.9 °C [7 °F]
Environmental Exposure Range -18 °C to 177 °C [0 °F to 350 °F]
Dielectric Strength MIL-STD-202, Method 301; 2000 Vac 60 Hz - Terminal to Case
Insulation Resistance MIL-STD-202, Method 302; Cond. B - 500 MOhm - 500 Vdc applied
Contact Resistance MIL-STD-202, Method 307; 0.050 Ohm
Housing Material Phenolic
Contact Material WE -1 gold alloy cross point
Mounting No bracket
Agency Approvals and Standards UL, CSA
Comments Low voltage
Series Name 2450HRG

Technical Specifications

Functional Properties Open on rise
Reset Type Automatic
Operating Temperature 0 °C to 150 °C [32 °F to 302 °F]
Amperage 0.5 A
Voltage 250 Vac/50 Vdc
Open Temperature 85.6 °C [186 °F]
Open Tolerance 2.8 °C [5 °F]
Close Temperature 74.4 °C [166 °F]
Close Tolerance 3.9 °C [7 °F]
Environmental Exposure Range -18 °C to 177 °C [0 °F to 350 °F]
Dielectric Strength MIL-STD-202, Method 301; 2000 Vac 60 Hz - Terminal to Case
Insulation Resistance MIL-STD-202, Method 302; Cond. B - 500 MOhm - 500 Vdc applied
Contact Resistance MIL-STD-202, Method 307; 0.050 Ohm
Housing Material Phenolic
Contact Material WE -1 gold alloy cross point
Mounting No bracket
Agency Approvals and Standards UL, CSA
Comments Low voltage
Series Name 2450HRG

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
Commercial Thermostats Datasheet English 756KB
Thermostats Line Guide Product Line Guide English 444KB
Thermal Sensors Product Range Guide English 2MB

Product Features

  • Cost effective
  • Rivet sleeve construction
  • Posted “H” construction for application mounting bracket
  • High current

Applications

  • HVAC
  • Major appliances
  • Automotive
  • Heat and smoke detectors
  • Office copy machines

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