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Bimetal Temperature Switch Defrosting Thermostat Customized Home Appliance Parts

Short Description:

Introduction:Defrosting Thermostat Fuse

A defrost thermostat is the temperature-controlling device within the automatic defrost system of a refrigerator.  There are three components to the defrost system: a timer, a thermostat, and a heater.  When the coils within a refrigerator become too cold, the defrost timer cues the heater to click on and work to melt any excess ice buildup.  The function of the thermostat is to prompt the heater to turn off when the coils return to the correct temperature.

Function: temperature control

MOQ:1000pcs

Supply Capacity:     300,000pcs/month


Product Detail

Company Advantage

Advantage Compared with the Industry

Product Tags

Product Parameter

Product Name Bimetal Temperature Switch Defrosting Thermostat Customized Home Appliance Parts
Use Temperature control/Overheat protection
Reset type Automatic
Base material resist heat resin base
Electrical Ratings 15A / 125VAC, 7.5A / 250VAC
Operating Temperature -20°C~150°C
Tolerance +/-5 C for open action(Optional +/-3 C or less)
Protection class IP00
Contact material Silver
Dielectric Strength AC 1500V for 1 minute or AC 1800V for 1 second
Insulation Resistance More than 100MW at DC 500V by Mega Ohm tester
Resistance Between Terminals Less than 100mW
Diameter of bimetal disc 12.8mm(1/2″)
Approvals UL/ TUV/ VDE/ CQC
Terminal type Customized
Cover/Bracket Customized

Applications

- Air conditioners  - Refrigerators

- Freezers  - Water Heaters

- Potable Water Heaters  - Air Warmers

- Washers  - Disinfection Cases

- Washing Machines  - Driers

- Thermotanks  - Electric iron

- Closestool  - Rice cooker

- Microwave/Electricoven  - Induction cooker

product-description1

Features

• Low profile

• Narrow differential

• Dual contacts for extra reliability

• Automatic reset

• Electrically insulated case

• Various terminal and lead wires options

• Standard +/5°C tolerance or optional +/-3°C

• Temperature range -20°C to 150°C

• Very economical applications

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bimetal thermostat

How Do Defrost Bimetal Thermostats Work

A defrost bimetal thermostat works separately from the refrigerator or freezer. This device, which turns on several times a day, senses the temperature of cooling coils. When these evaporator coils become so cold that frost starts to build up, the defrost bimetal thermostat facilitates the melting away of any frost that has formed on the cooling coil. The defrost bimetal thermostat does this by activating a hot gas valve or an electrical heating element that raises the temperature near the evaporator, which then melts the frost that has formed.

The melting away of frost buildup protects your refrigerator and freezer's evaporators from overheating during the defrost cycle. The bimetal thermostat and defrost heater work in tandem.   When the frost is all melted, the bimetal thermostat will sense the temperature increase and trigger the defrost heater to turn off.


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  • 办公楼1Our product has passed the CQC,UL,TUV certification and so on, has applied for patents accumulatively more than 32 projects and has obtained scientific research departments above the provincial and ministerial level more than 10 projects. Our company has also passed the ISO9001 and ISO14001 system certificated, and national intellectual property system certificated.

    Our research and development and production capacity of the company’s mechanical and electronic temperature controllers have ranked in the forefront of the same industry in the country.7-1

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