Resettable Thermal Fuses

Resettable thermal fuses are a reusable type of circuit protection device used in heating applications. They provide a weak link in a circuit, meaning that when a fault such as overcurrent or a short circuit is detected, the fuse will break the circuit and stop the flow of current, preventing further damage from occurring.

How do resettable thermal fuses work?

Resettable thermal fuses act in a similar way to a resistor, in that they increase their resistance as the temperature rises. When the temperature reaches a certain level, a wax pellet inside of the fuse will melt, cutting off the flow of electrical current, and then when the temperature drops again the wax will solidify, allowing the circuit to function again. Unlike non-resettable thermal fuses, they can be used more than once.

Types of resettable thermal fuses

Resettable thermal fuses mainly vary by their functioning temperature, which will depend on the heating application they are used with. They can also have differing levels of trip and reset tolerance, also measured by temperature.


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Omschrijving Prijs Functioning Temperature Body Height Body Length Body Width Lead Orientation Maximum Current Voltage Rating Wire Diameter Wire Length
RS-stocknr. 176-9097
FabrikantnummerP82 50 05100
FabrikantLimitor
5,03 €
Each
Aantal stuks
+50°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 204-7483
FabrikantnummerQ82 A 140 05 100
FabrikantLimitor
4,28 €
Each
Aantal stuks
+140°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 176-9081
FabrikantnummerP82 45 05100
FabrikantLimitor
5,03 €
Each
Aantal stuks
+45°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 204-7455
FabrikantnummerQ82 A 110 05 100
FabrikantLimitor
5,03 €
Each
Aantal stuks
+110°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 176-9198
FabrikantnummerP82 125 05100
FabrikantLimitor
5,00 €
Each
Aantal stuks
+125°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 204-7449
FabrikantnummerQ82 A 100 05 100
FabrikantLimitor
5,03 €
Each
Aantal stuks
+100°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 176-9205
FabrikantnummerP82 140 05100
FabrikantLimitor
4,08 €
Each
Aantal stuks
+140°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 204-7427
FabrikantnummerQ82 A 80 05 100
FabrikantLimitor
4,96 €
Each
Aantal stuks
+80°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 204-7405
FabrikantnummerQ82 A 70 05 100
FabrikantLimitor
5,03 €
Each
Aantal stuks
+70°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 176-9104
FabrikantnummerP82 55 05100
FabrikantLimitor
4,96 €
Each
Aantal stuks
+55°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 204-7382
FabrikantnummerQ82 A 55 05 100
FabrikantLimitor
4,07 €
Each
Aantal stuks
+55°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 176-9160
FabrikantnummerP82 100 05100
FabrikantLimitor
4,96 €
Each
Aantal stuks
+100°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 204-7398
FabrikantnummerQ82 A 60 05 100
FabrikantLimitor
5,79 €
Each
Aantal stuks
+60°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 204-7433
FabrikantnummerQ82 A 90 05 100
FabrikantLimitor
4,01 €
Each
Aantal stuks
+90°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 176-9126
FabrikantnummerP82 60 05100
FabrikantLimitor
5,22 €
Each
Aantal stuks
+60°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 176-9132
FabrikantnummerP82 70 05100
FabrikantLimitor
5,21 €
Each
Aantal stuks
+70°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 176-9176
FabrikantnummerP82 105 05100
FabrikantLimitor
5,03 €
Each
Aantal stuks
+105°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
RS-stocknr. 176-9211
FabrikantnummerP82 145 05100
FabrikantLimitor
5,03 €
Each
Aantal stuks
+145°C 8mm 17.5mm 4mm Radial 2.5 A 250V ac 0.51mm 100mm
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