5-Pack Thermal Fuse 2A 250V – 105/120/145°C Temperature Switch

$10.48 $12.38

5-Pack Thermal Fuse Temperature Switches for Fan Motors & Electrical Equipment

Keep your fan motors and electrical devices running safely with this set of 5 black square thermal fuses. Rated at 2A / 250V and available in 105°C, 120°C, and 145°C trip temperatures, these compact thermal cutoffs provide instant interruption protection the moment operating temperatures exceed safe limits — helping prevent overload and short-circuit damage to your motor or appliance.

Key Features

Pack of 5 — great value for repairs, maintenance, or keeping spares on hand
Rating: 2A / 250V — suitable for a wide range of small motors and household electrical equipment
Trip Temperatures: 105°C, 120°C, and 145°C options to match different operating environments
Black square form factor — compact and easy to integrate into existing assemblies
Detachable standard structure — quick and convenient to replace without special tools
Wide compatibility — fits fans, motors, and other electrical equipment from a variety of brands and models
Energy-conscious design — timely cutoff helps protect equipment and can contribute to energy efficiency
Made in Mainland China

Specifications

Quantity: 5 PCS per pack
Color: Black
Voltage Rating: 250V (Low voltage: Below 50Vac or 75Vdc where EU LVD applies)
Current Rating: 2A
Temperature Ratings: 105°C / 120°C / 145°C
Battery Included: No

How to Select the Right Temperature Rating

Choose the trip temperature that matches your device's safe operating limit. For standard household fans, 105°C or 120°C is typical. For higher-load motors or hotter environments, 145°C provides a higher tolerance before cutoff. Always verify your equipment's original fuse specs before replacing.

What's Included

5 × Thermal Fuse Temperature Switches (2A / 250V)

Notes

Due to manual measurement, please allow a 1–3mm size tolerance.
Colors may vary slightly depending on monitor settings; please refer to the actual item received.

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Frequently Asked Questions

Q: What are thermal fuse temperature switches used for in fan motors?

A: Thermal fuse temperature switches act as a one-time safety cutoff device. When the temperature inside a fan motor or electrical appliance exceeds the rated trip temperature (105°C, 120°C, or 145°C), the thermal fuse permanently interrupts the circuit, protecting the motor from overload, overheating, and short-circuit damage.

Q: Are these thermal fuses reusable after they trip?

A: No — thermal fuses are single-use safety devices. Once they trip due to excessive heat, they must be replaced. The detachable standard structure of these fuses makes replacement quick and straightforward, so it's a good idea to keep spares on hand.

Q: How do I know which temperature rating (105°C, 120°C, or 145°C) to choose?

A: Check the original thermal fuse or your equipment's service manual for the rated trip temperature. Select the matching temperature rating to ensure proper protection. Using a fuse with too high a temperature rating may not protect the motor adequately, while too low a rating may cause nuisance tripping during normal operation.

Q: Are these thermal fuses compatible with all fan brands?

A: These 2A / 250V black square thermal fuses are designed to suit a wide range of fan motors and electrical equipment across many brands and models. Always verify that the voltage, current, and temperature ratings match your specific device's requirements before installation.