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Professional Factory for Defrost Thermostat / Freezer Bimetal Defrosting Thermostats / Ksd Series Defrost Thermostat

Short Description:

Introduction:Defrosting Thermostat Fuse 261

The defrost thermostat differs from the refrigerator thermostat, which is the temperature gauge used to regulate the cooling system of the refrigerator. This device works to measure internal temperatures and prevents the refrigerator from becoming too hot or too cold.

Function: temperature control

MOQ:1000pcs

Supply Capacity:     300,000pcs/month


Product Detail

Company Advantage

Advantage Compared with the Industry

Product Tags

We believe in: Innovation is our soul and spirit. Excellent is our life. Buyer want is our God for Professional Factory for Defrost Thermostat / Freezer Bimetal Defrosting Thermostats / Ksd Series Defrost Thermostat, Items won certifications while using the regional and international primary authorities. For far extra detailed info, please contact us!
We believe in: Innovation is our soul and spirit. Excellent is our life. Buyer want is our God for China Nc Thermostat and Disc Thermostat, Many kinds of different goods are available for you to choose, you can do one-stop shopping here. And customized orders are acceptable. Real business is to get win-win situation, if possible, we would like to provide more support for customers. Welcome all nice buyers communicate details of products with us!!

Product Parameter

Product Name ELTH 1/2″ Refrigerator Defrosting Bimetallic Thermostat Switches Type 261
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

The Installation Position of Defrost Thermostat

Some defrost systems use a thermostat (a bi-metal switch) to prevent the defrost heater from overheating. The switch is normally closed. During a defrost cycle, the defrost heater causes the metal alloy in the switch to warm and as it does it curls back and breaks the circuit. As the metal cools, it makes a circuit again and the defrost heater starts heating again (as long as the defrost timer is in the defrost cycle).

The defrost thermostat is located near the defrost heater and is wired in series. It is usually located at the back of a side by side freezer or under the floor of a top freezer. It will be necessary to remove obstructions such as the contents of the freezer, freezer shelves, icemaker and the inside rear or bottom panel of the freezer.

The thermostat is connected by two wires. The wires are connected with slip on connectors or a wiring harness. Firmly pull the connectors or harness off of the terminals (do not pull on the wire). It may need to use a pair of needle-nose pliers to remove the connectors. Inspect the connectors and the terminals for corrosion. If the connectors are corroded they should be replaced.

Craft Advantage

Slimmest construction

Dual contacts structure

High reliability for contact resistance

Safety design according to IEC standard

Environmental friendly towards RoHS,REACH

Automatic resettable

Accurate and quick switching snap action

Available horizontal terminal direction

We believe in: Innovation is our soul and spirit. Excellent is our life. Buyer want is our God for Professional Factory for Defrost Thermostat / Freezer Bimetal Defrosting Thermostats / Ksd Series Defrost Thermostat, Items won certifications while using the regional and international primary authorities. For far extra detailed info, please contact us!
Professional Factory for China Nc Thermostat and Disc Thermostat, Many kinds of different goods are available for you to choose, you can do one-stop shopping here. And customized orders are acceptable. Real business is to get win-win situation, if possible, we would like to provide more support for customers. Welcome all nice buyers communicate details of products with us!!


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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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