Honeywell Technologies Bi-Metallic Thermostat, Closes at 55 °C, 186 °C Max Open On Rise, Close On Rise, Open, Automatic

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£33.09

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£39.71

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RS Stock No.:
229-5884
Distrelec Article No.:
303-99-486
Mfr. Part No.:
2455RP-91000435
Brand:
Honeywell
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Brand

Honeywell

Minimum Operating Temperature

0°C

Product Type

Thermostat

Maximum Operating Temperature

186°C

Contact Configuration

SPST

Closing Temperature

55°C

Thermostat Type

Bi-Metallic

Contact AC Voltage

250V ac

Terminal Type

Solder Tab

Contact Current

10A

Standards/Approvals

NASA certified, MIL-STD-202, Mil-PRF-24236, CSA, VDE, UL

Hazardous Area Certification

No

Mount Type

Terminal, Bracket

Switch Function

Open On Rise, Close On Rise, Open

Reset Type

Automatic

COO (Country of Origin):
CN

Honeywell Thermostat, 55°C Closing Temperature, 10A Contact Current - 2455RP-91000435


This thermostat is a Compact thermal switching device designed to control temperature-sensitive circuits in commercial and industrial systems. It operates as a single-pole single-throw control element that changes state in response to rising temperatures, providing a straightforward method for over-temperature protection and thermal management in electrical and mechanical assemblies.

Features and Benefits:


• Opens on temperature rise to prevent overheating of equipment
• Closes on rise available for signalling or control circuits
• Automatic reset function restores operation without manual intervention
• Rated for 10A at 250V AC to support moderate load switching
• Withstands continuous exposure up to 186°C for high-heat environments
• Solder tab terminals with bracket mount for secure panel installation

Applications


• Suitable for thermal protection in industrial control panels
• Ideal for temperature monitoring in automation equipment
• Used with motors and transformers requiring over-temperature cutout
• Can be used for safety switching in electrical distribution boards
• Used for temperature-triggered signalling in mechanical assemblies

What contact arrangement does it use and why does that matter?


It uses a single-pole single-throw contact configuration, offering a simple on/off switching action that is easy to integrate into control circuits and retrofit into existing designs.

How does the device behave after it trips due to high temperature?


The unit employs an automatic reset mechanism so it returns to its normal state once the temperature falls below the reset threshold, eliminating the need for manual cycling.

What mounting and connection options are provided for installers?


It offers solder tab terminations and a bracket-style mounting arrangement to enable firm mechanical attachment and reliable electrical connections during assembly or maintenance.

Which standards and approvals apply to its design?


It conforms to multiple rigorous standards including military and aerospace qualifications and holds recognised certifications from independent test authorities to support use in demanding environments.

Is this device suitable for use where temperatures regularly approach its upper limit?


The device is specified with a maximum operating temperature of 186°C

designs that regularly run near that temperature should consider thermal margins and system-level cooling to maintain safe operation.

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