<p>When considering an Automatic Air Circuit Breaker (ACB) for your industrial or commercial electrical systems, the ACB with a frame size of E1.2 offers a robust solution that balances performance and reliability. Designed to meet IEC 309 standards, this ACB is engineered for environments where safety and efficiency are paramount.</p><p>With a rated current ranging from 400 to 1000 amperes, this ACB is versatile enough to handle various load requirements while ensuring optimal protection against overloads and short circuits. The device operates efficiently at a rated voltage of up to 690 VAC, making it suitable for high-demand applications.</p><p>One of the key features of this ACB is its impressive breaking capacity of 66 kA, which ensures reliable interruption of fault currents without compromising system integrity. Additionally, it boasts a rated short-time withstand current of 50 kA, providing enhanced durability under fault conditions.</p><p>The trip unit incorporated in this model is the Ekip Touch LSIG type. This advanced trip unit allows precise settings for long-time (L), short-time (S), instantaneous (I), and ground fault (G) protection functions. Such configurability ensures that your system remains protected against diverse electrical anomalies while maintaining operational continuity.</p><p>Another critical aspect is its power loss rating at just 156 W, reflecting efficient energy use even during continuous operation. This feature contributes not only to reduced operational costs but also aligns with sustainability goals by minimizing unnecessary energy consumption.</p><p>Designed with practicality in mind, the ACB features horizontal rear spread terminals that facilitate straightforward installation and maintenance processes. Its three-pole configuration further supports balanced load distribution across phases, enhancing overall system stability.</p><p>For installations requiring rigorous insulation properties, this circuit breaker provides a rated insulation voltage of up to 1000 VAC and an impulse withstand voltage rating of 12 kV—ensuring robust performance even in demanding conditions.</p><p>In summary, this Automatic ACB combines technical excellence with practical design considerations—offering you peace of mind through reliable operation backed by international standards compliance. Whether you&#39;re upgrading existing infrastructure or designing new systems from scratch, its comprehensive feature set makes it an ideal choice for professionals seeking dependable electrical solutions in Australia’s industrial landscape.</p>