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For ACB, is it neccessay to have closing and openeing coils (XF /MX) when the breaker is motorized or not ?

For ACB either NT or NW, in case the ACB is motorized, it is a must to have the openeing and closing coils that take the stored energy in the springs of the CB and convert it to required mchanical force to hit the contacts during openeing or closing

So it is a must to have both XF and MX (closing and opening coils) with Motorized ACB NT or NW .

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