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In case of a fault, the air-blast, controlled by a blast valve, will open the contacts and in addition cools the arc. The device provides improved efficiency, enhanced safety, and dependable operation, making it an essential component in maintaining the integrity and longevity of electrical installations. In a broader sense a circuit breaker primarily interrupts the flow of electrical energy by quickly opening the circuit to determine a defect and monitoring the current in a circuit. Combining thermal and magnetic principles allows a reliable response to totally
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