We specialize in high-performance Air Circuit Breakers designed for the heart of your electrical distribution system. Our ACBs provide reliable overcurrent, short-circuit, and ground fault protection for main power distribution in industrial plants, commercial buildings, and critical infrastructure.Secure your electrical network with our robust ACB solutions.

Air Circuit Breaker

The air circuit breaker mainly has the following functions:

Function	Description
Current Interruption	Automatically interrupts the current when it exceeds the trip rating of the breaker.
Protection	Protects electrical circuits from damage caused by overloads or short circuits.
Safety	Ensures safety by preventing electrical fires and equipment damage.
Efficiency	Facilitates efficient circuit management and maintenance.

As the "safety center" of high-voltage, high-power distribution systems, air circuit breakers, with their unique air arc extinguishing technology and all-round protection capabilities, provide a solid line of defense for power safety in key scenarios such as industrial high-voltage equipment, large substations, and high-rise building main distribution. Using compressed air as the arc extinguishing medium and equipped with an efficient arc extinguishing chamber structure, they can quickly extinguish the strong arc generated by faults in high-voltage circuits. Inquire

Air Circuit Breaker

DAA Air circuit breaker

DAA series Low Voltage Air circuit breaker air circuit breaker is suitable for the circuit of AC 50H
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Features of Air circuit breaker

Excellent Interlock Function: Ensures safe operation by preventing simultaneous closing of multiple breakers. Dual-Breaker Design: Enhances reliability and coordination capability. Online Detecting System: Allows for intelligent monitoring and diagnostics. Optimized Dynamic Repulsion Force Calculation: Improves design efficiency and performance. Integration of Measurement, Monitoring, Control, and Self-Diagnostics: Provides comprehensive functionality for modern electrical systems. These features contribute to the overall effectiveness and reliability of air circuit breakers in various applications.

FAQ

What is air circuit breaker？
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An air circuit breaker (ACB) is a high-voltage/large-current circuit breaker that uses air as the arc-extinguishing medium to protect circuits from overcurrent and short circuits.
In which scenarios is an air circuit breaker (ACB) typically used?
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ACB is mainly used in low-voltage power distribution systems, such as power plants, substations, industrial workshops, and high-rise buildings, to protect generators, transformers, and other key electrical equipment.
What are the key advantages of using an air circuit breaker (ACB) in power systems?
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It has strong arc-extinguishing ability and can quickly cut off fault current. It has a large breaking capacity, suitable for high-current working conditions. It is easy to maintain and has high reliability in long-term operation.