15a 250v Thermal Cutoff for Refrigerator Auto Fuse Home Appliance Parts DA47-00138F

Short Description:

Introduction：Thermal Fuse

A thermal fuse or thermal cutoff is a safety device which open circuits against overheat. It detects the heat caused by the over-current due to short circuit or component breakdown. Thermal fuses do not reset themselves when the temperature drops like a circuit breaker would. A thermal fuse must be replaced when it fails or is triggered.
Function: cutoff the circuit by detecting overheat.

MOQ：1000pcs

Supply Capacity: 300,000pcs /month

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Product Parameter

Product Name	15a 250v Thermal Cutoff for Refrigerator Auto Fuse Home Appliance Parts DA47-00138F
Use	Temperature control/Overheat protection
Electrical Rating	15A / 125VAC, 7.5A / 250VAC
Fuse Temp	72 or 77 Deg C
Operating Temperature	-20°C~150°C
Tolerance	+/-5°C for open action(Optional +/-3 C or less)
Tolerance	+/-5°C for open action(Optional +/-3 C or less)
Protection class	IP00
Dielectric Strength	AC 1500V for 1 minute or AC 1800V for 1 second
Insulation Resistance	More than 100MΩ at DC 500V by Mega Ohm tester
Resistance Between Terminals	Less than 100mW
Approvals	UL/ TUV/ VDE/ CQC
Terminal type	Customized
Cover/Bracket	Customized

Applications

Hair dryer, electric oven, microwave oven, refrigerator, Rice cooker, coffee pot, sandwich oven, electric motor.

What is the structure of Fuse?

Generally, a fuse is composed of three parts: one is the melted part, which is the core of the fuse, which cuts off the current when it is blown. The melt of the same type and specification of the fuse must have the same material, the same geometric size, and the resistance value. It should be as small as possible and consistent. The most important thing is to have the same fusing characteristics. Household fuses are usually made of lead-antimony alloys.

The second is the electrode part, usually two. It is an important part of the connection between the melt and the circuit. It must have good electrical conductivity, should not produce obvious installation contact resistance; third is the bracket part, the melt of the fuse is generally slender and soft, the function of the bracket is to fix the melt and make the three parts a rigid whole for easy installation and use, It must have good mechanical strength, insulation, heat resistance, and flame resistance, and should not be broken, deformed, burned, or short-circuited during use.

How can Thermal Fuses be classified?

The thermal fuse can be divided into:

According to the material: it can be divided into the metal shell, plastic shell, oxide film shell

According to temperature: it can be divided into 73 degrees 99 degrees 77 degrees 94 degrees 113 degrees 121 degrees 133 degrees 142 degrees 157 degrees 172 degrees 192 degrees...

Quality assurance

-All our products are 100% quality tested before leaving our facilities.We have developed our own proprietary automated testing equipment to make sure every device is tested and found to be up to reliability standards.

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Our 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.