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Working principle of alloy type axial thermal fuse

Alloy type thermal fuse: When the temperature around the alloy type thermal fuse rises to its operating temperature, its fusible alloy melts and shrinks into a ball attached to the ends of the two pins under the action of surface tension and the help of special resin, so that the circuit is permanently cut off.

RF 250 V 10 A, 250v / 20UN 216 Temperatura di interruzione del circuito Celsius Fusibile termico Ceramica AUPO, RY, RH, TINTURA, SEFUSE, IMPOSTATO, Emerson, NEC

A Ceramics thermal cutoff is an electrical safety device parts (either a thermal fuse or thermal Cutoff) che interrompe la corrente elettrica quando riscaldato a una temperatura specifica. Questi dispositivi possono essere monouso (Ceramics thermal fuse).

Tensione nominale: 250V;
Corrente nominale: 1UN, 2UN, 3UN, 5UN, 10UN, 15UN,20UN.
Cutoff Temperature: Costume
This is a single-use device that cannot be reset and must be replaced when it fails or is triggered.
Function is to cut off the circuit of appliances when temperature exceed specified TF value because of unexpected fault.
Widely used in home appliance such as rice cooker, pressure cooker, hair straightener, stufa, cuociriso，ecc. as thermal overload protection. You can freely use the matching furniture and wire harness processing.

Axial thermal Cutoff

Ceramic thermal Cutoff size

Dimensions(mm) UN B C D E 6.5±0,5 37±5 2.1±0,5 ≤2.6 0.5± 0,05

Cuociriso Fusibile termico in ceramica

AUPO thermal fuse Wiring diagram

Flat iron Axial thermal fuse