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What is the difference between moulded circuit breaker and air circuit breaker ? MCCB &ACB

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Question added by mohammad nadjafzadeh , Electrical Design Engineer , Mobadel Negahdar
Date Posted: 2014/03/25
karim amer
by karim amer , Electrical Design Engineer , Construction and Planning Co. Ltd. (C&P)

the difference mainly will be in arc extinguisher element inside the breaker which allow the ACB to withstand higher short circuit currents and mechanical stresses due to this fault than MCCB.

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