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What are the types of temperature fuse?

Release time:

Jan 12,2024

What are the several types of temperature fuse: 1. Organic type temperature fuse It is composed of a movable contact, a meltable and a spring. The working principle is that the current flows when starting, so that the temperature of the working environment rises, the meltable melts, and the elasticity of the compression spring becomes weak, which causes the left lead and the movable contact The current is cut off and the circuit is disconnected. 2. Porcelain tube type temperature fuse This type of fuse is named after it is made of insulated porcelain tube. During the working process, the temperature rises to liquefy the mixture. After reaching the melting point, the surface tension of the molten alloy increases, and immediately shrinks from both ends of the lead, and the current is disconnected. Form a permanent cut-off loop. 3. Square shell type temperature fuse This type of fuse uses a special resin to wrap the fusible alloy wire, which is then connected to the current of the fuse. When working, after the circuit is connected, its temperature rises, the fusible alloy melts, and the surface tension becomes larger. After reaching the rated temperature, the wire is disconnected and the circuit is cut off.

what are the several types of temperature fuse:

1. Organic type temperature fuse

It is composed of a movable contact, a meltable and a spring. The working principle is that the current flows when starting, so that the temperature of the working environment rises, the meltable melts, and the elasticity of the compression spring becomes weak, which causes the left lead and the movable contact The current is cut off and the circuit is disconnected.

2. Porcelain tube type temperature fuse

This type of fuse is named after it is made of insulated porcelain tube. During the working process, the temperature rises to liquefy the mixture. After reaching the melting point, the surface tension of the molten alloy increases, and immediately shrinks from both ends of the lead, and the current is disconnected. Form a permanent cut-off loop.

3. Square shell type temperature fuse

This type of fuse uses a special resin to wrap the fusible alloy wire, which is then connected to the current of the fuse. When working, after the circuit is connected, its temperature rises, the fusible alloy melts, and the surface tension becomes larger. After reaching the rated temperature, the wire is disconnected and the circuit is cut off.

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