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Overview

2455RM Series Phenolic Manual Reset Thermostats.
The 2455RM 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. The circuit will stay open above room ambient temperature until the manual reset button is pressed. Response to temperature changes is extremely rapid due to the inherently low mass of the disc and the small size of the product.
2455RM 80580181 Manual Reset - Honeywell


Technical Specifications

Functional Properties Open on rise
Reset Type Manual
Operating Temperature 52 °C to 150 °C [125 °F to 302 °F]
Amperage 15 A/10 A
Voltage 120 Vac/250 Vac
Open Temperature 115.6 °C [240 °F]
Open Tolerance 5.6 °C [10 °F]
Close Temperature Manual
Close Tolerance N/A
Environmental Exposure Range 10 °C to 260 °C [50 °F to 500 °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 Silver/nickel alloy
Mounting B209 fixed bracket
Agency Approvals and Standards UL, CSA, VDE
Comments N/A
Series Name 2455RM

Technical Specifications

Functional Properties Open on rise
Reset Type Manual
Operating Temperature 52 °C to 150 °C [125 °F to 302 °F]
Amperage 15 A/10 A
Voltage 120 Vac/250 Vac
Open Temperature 115.6 °C [240 °F]
Open Tolerance 5.6 °C [10 °F]
Close Temperature Manual
Close Tolerance N/A
Environmental Exposure Range 10 °C to 260 °C [50 °F to 500 °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 Silver/nickel alloy
Mounting B209 fixed bracket
Agency Approvals and Standards UL, CSA, VDE
Comments N/A
Series Name 2455RM

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
  • Manually resetable

Applications

  • HVAC
  • Power supplies
  • Office automation

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