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What it is: An electrical safety device that automatically cuts off power when there’s an overload or short circuit.
Where it’s used:
Car washers
Vacuum cleaners
Industrial machines
Electrical control panels
Function:
Protects the motor and wiring from damage due to over-current.
Prevents fire or overheating in case of electrical faults.
Can be manually reset after tripping (unlike a fuse, which must be replaced).
When to use / replace:
Use it in any machine where safe power control is needed.
Replace if it doesn’t trip under overload, or if it trips too often without actual overload.
Things to check:
Rated current (e.g. 6A, 10A, 16A etc.) — must match the motor/machine.
Voltage rating (e.g. 230V AC).
Pole type (single-pole, double-pole) depending on wiring.

