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Models and Applications of Thermal Cut-Out link Fuse
A thermal fuse is also known as a tmperature fuse, termal bağlantı, thermal cut-out (TCO), or one shot. It is a temperature sensing circuit cut-off device (China custom metal, seramik, square shell thermal fuse). A limitor thermal fuse can sense the overheating generated by abnormal operation of electrical and electronic products, böylece yangını önlemek için devreyi keseriz.
What is a thermal fuse?
A thermal fuse is also known as a tmperature fuse, termal bağlantı, thermal cut-out (TCO), or one shot. It is a temperature sensing circuit cut-off device (China custom metal, seramik, square shell thermal fuse). A limitor thermal fuse can sense the overheating generated by abnormal operation of electrical and electronic products, böylece yangını önlemek için devreyi keseriz.
A limitor thermal cut-out fuse functions as a safety device that automatically interrupts an electrical circuit when the temperature reaches a predetermined threshold, essentially acting as a “heat-activated circuit breaker” to prevent overheating and potential fire hazards in appliances or equipment by cutting off power when excessive heat is detected; it’s primarily used in devices like hairdryers, Dryer, kahve makineleri, and electric motors where overheating could occur due to malfunctioning components.
Key points about thermal fuses:
Nasıl çalışır?:
When the temperature around the thermal fuse exceeds its rated temperature, a special fusible material inside melts or breaks, causing the circuit to open and stopping the flow of electricity.
Non-resettable:
Unlike regular fuses, a thermal fuse cannot be reset once it has tripped and needs to be replaced if overheating occurs.
Its structure and working principle:
It consists of a sliding contact , a spring, and a electrically nonconductive thermalpellet. Before the thermal fuse is activated, the current flows from the left lead to the movable contact (sliding contact), and flows to the right lead through the metal shell. When the external temperature reaches the predetermined temperature, the fusible element melts and the compression spring becomes loose. That is, the spring expands, and the sliding contact separates from the left lead. The circuit is opened, and the current between the sliding contact and the left lead is cut off.
Temperature-sensitive only:
Unlike a standard circuit breaker, a thermal fuse only responds to temperature changes, not current surges.
Uygulamalar:
Household appliances: Hairdryers, tost makineleri, electric blankets, Transformers, Electric motors, Electric fans, Hair dryers, Elektrikli ütüler, Rice cookers, Copiers, Elektrikli sobalar, Chargers, power taps, Water dispensers, Coffee makers etc.
Motor applications: Electric motors in appliances and machinery
Industrial equipment: Transformers, heating elements, power tools.
Ürün Açıklaması
Öğe | termal sigorta, termal kesme, termal bağlantı |
Bodysuits Çok fazla | maden |
Ona liderlik et | 1mm |
Kurşun Uzunluğu | tabloya bakın 3 |
Mevcut Derecelendirme | 1510A 20A @250VAC |
Montaj Tipi | eksenel kurşunlu |
Onun vücudu | 4mm |
Gövde Uzunluğu | 14.7mm |
Sertifikalar | UL VDE |
Thermal fuse models and cut-off temperature table:
Tf °C | G4A | G5A | ||
Th °C | Tm °C | Th °C | Tm °C | |
72 | 57 | 100 | 57 | 410 |
73 | 58 | 100 | 58 | 410 |
77 | 62 | 300 | 62 | 410 |
84 | 69 | 220 | 69 | 220 |
91 | 76 | 300 | 76 | 430 |
93 | 78 | 300 | 78 | 410 |
98 | 83 | 300 | 83 | 410 |
104 | 89 | 200 | 89 | 225 |
110 | 95 | 240 | 95 | 225 |
117 | 102 | 240 | 102 | 410 |
121 | 106 | 300 | 106 | 410 |
125 | 110 | 185 | 110 | 235 |
128 | 113 | 205 | 113 | 235 |
134 | 119 | 205 | 119 | 410 |
141 | 126 | 205 | 126 | 350 |
144 | 129 | 300 | 129 | 410 |
152 | 137 | 205 | 137 | 410 |
158 | 143 | 240 | 143 | 410 |
167 | 152 | 210 | 152 | 410 |
172 | 157 | 310 | 157 | 410 |
184 | 169 | 240 | 169 | 410 |
190 | 175 | 350 | 175 | 410 |
192 | 177 | 210 | 177 | 350 |
205 | 190 | 310 | 190 | 410 |
216 | 200 | 450 | 200 | 410 |
229 | 200 | 450 | 200 | 410 |
240 | 200 | 450 | 200 | 410 |
257 | 220 | 470 | – | – |
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