What is the greatest difference between thermal-type and magnetic-type overload relays?

Question

Accepted Answer

Magnetic overload relays are not sensitive to ambient or surrounding air temperature.

Answer

Magnetic type overload relays contain line-voltage contacts that are used to directly disconnect the motor from the line in the event of an overload.

Answer

The current rating of magnetic type overload relays cannot be adjusted.

Answer

Magnetic-type overload relays are extremely fast acting and are not subject to time delay when the motor becomes overloaded.

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