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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 difference between type A & AC class RCCB ?

In Class A (Tripping is ensured for sinusoidal, alternating residual currents as well as for pulsed ,DC residual currents, whether they are quickly applied or slowly increased.
Application: loads with electronics, rectifiers, and instruments.)
Class AC Tripping is ensured for sinusoidal, alternating currents, whether they are quickly applied or slowly increased .