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.
If there is no supply to the MN release, it is impossible to close the circuit breaker,
either manually or electrically. Closing is ensured when the voltage supply to the
release U u 0.85 x Un. Below this threshold, closing is not guaranteed.