Product details of Safety Circuit Pole Breaker 16Amp, 20Amo, 32Amp, 63Amp, 125Amp.
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Thermal protection trips when there is an overload condition – .
Theexcessive current heats up a bimetallic contact that expands until thecurrent is interrupted.
Thermal response is slow to allow short-durationovercurrent conditions, whicha are normal in some devices such aselectric motors during startup.
Magnetic protection trips in response to the high currents presentduring electric faults – The current causes a strong magnetic fieldthrough induction, which is used to open a contact and interrupt thecircuit.