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Overview

3450HR Series Phenolic Automatic Reset Thermostats.
The 3450HR 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.
3450HR 84550019 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 15 A/10 A resistive max.
Voltage 120 Vac/240 Vac
Open Temperature 65.0 °C [149 °F]
Open Tolerance 2.8 °C [5 °F]
Close Temperature 56.1 °C [133 °F]
Close Tolerance 4.4 °C [8 °F]
Environmental Exposure Range -18 °C to 177 °C [0 °F to 350 °F]
Housing Material Phenolic
Contact Material Silver/nickel alloy
Mounting B201 fixed bracket
Agency Approvals and Standards UL, CSA
Comments High current
Series Name 3450HR

Technical Specifications

Functional Properties Open on rise
Reset Type Automatic
Operating Temperature 0 °C to 150 °C [32 °F to 302 °F]
Amperage 15 A/10 A resistive max.
Voltage 120 Vac/240 Vac
Open Temperature 65.0 °C [149 °F]
Open Tolerance 2.8 °C [5 °F]
Close Temperature 56.1 °C [133 °F]
Close Tolerance 4.4 °C [8 °F]
Environmental Exposure Range -18 °C to 177 °C [0 °F to 350 °F]
Housing Material Phenolic
Contact Material Silver/nickel alloy
Mounting B201 fixed bracket
Agency Approvals and Standards UL, CSA
Comments High current
Series Name 3450HR

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
  • Four posted “H” construction for application mounting bracket
  • High current

Applications

  • HVAC
  • Automotive
  • Office copy machines
  • Major appliances

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