When it comes to selecting an Automatic Air Circuit Breaker (ACB) for industrial and commercial applications, understanding the technical specifications is crucial. This ACB, with a rated current ranging from 1600 to 4000 A, offers robust performance suitable for demanding environments.
A key feature of this ACB is its rated impulse withstand voltage of 12 kV, ensuring resilience against transient overvoltages which are common in electrical systems. Coupled with a rated insulation voltage of 1000 VAC and a rated operating voltage of up to 690 VAC, this breaker provides reliable protection across various applications.
The trip unit integrated into this model is the Ekip Touch LSIG. This advanced unit allows precise control over the circuit breaker's response to overloads, short circuits, and ground faults. The LSIG functionality stands for Long time, Short time, Instantaneous, and Ground fault protection—essential features for safeguarding equipment and maintaining operational continuity.
In terms of durability under stress conditions, this ACB boasts a rated short-time withstand current capacity of 66 kA as well as a breaking capacity that matches at 66 kA. These capabilities ensure that the breaker can handle high fault currents without compromising safety or performance.
Designed with practicality in mind, the frame size E4.2 accommodates diverse installation requirements while maintaining compactness. The terminal type being horizontal rear spread facilitates easier integration into existing setups by allowing straightforward connections at the rear.
Additionally, power loss is minimized at just 900 W—a significant consideration when evaluating energy efficiency over extended periods of operation. With three poles available in its configuration, this device fits seamlessly into three-phase systems commonly found in industrial settings.
Conforming to IEC 309 standards ensures that this product meets international benchmarks for safety and reliability—key factors when choosing components for critical infrastructure projects.
Overall, if your application demands a dependable solution capable of handling substantial electrical loads while offering flexibility through advanced trip functionalities—the technical prowess embodied by this automatic ACB makes it an excellent choice within its category.