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This FAQ has been written for NEAL (North East Africa and Levant) region. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
What is the reset time for LRD thermal overload relay?

Unlike the LR9D solid state devices which have a specified automatic reset time, our LRD overloads are an electromechanical product and even when set on automatic reset we do not have reset time to provide.

The resetting time ( regardless of the specific product reference ) depends on :

- The kind of tripping ( IE: Thermal tripping, phase tripping, differential…. )

- The state of the overload ( IE: cold state, hot state )

- The ambient temperature

Combining all of these conditions leads to a variable time range before the reset can occur.

- The reset is allowed only when the internal bimetal sensors of the LRD** have come back to a position allowing reset.

- The bimetal sensor represents motor temperature and we need to cool down the motor prior to allowing a reset.

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