<p>When selecting a reliable and robust circuit breaker for industrial or commercial applications, the Motor Operated ACB with Frame Size E4.2 stands as a solid contender. This Air Circuit Breaker (ACB) is engineered to handle demanding electrical environments with precision and safety.</p><p>The rated current range of 1280-3200 A ensures versatility in accommodating various load requirements, making it suitable for multiple applications across industries. With a rated voltage of 690 VAC, this breaker can efficiently manage power distribution in high-demand settings.</p><p>Safety and reliability are paramount, which is why this ACB boasts a rated impulse withstand voltage of 12 kV and an insulation voltage of 1000 VAC. These features provide robust protection against transients and over-voltage conditions, safeguarding your equipment and ensuring operational integrity.</p><p>A critical aspect of any circuit breaker is its ability to handle short circuits without failure. This model offers a rated short time withstand current of 66 kA and an impressive breaking capacity also at 66 kA. Such specifications indicate that it can effectively interrupt fault currents, minimizing potential damage to electrical systems.</p><p>The inclusion of the Ekip Touch LSIG trip unit adds another layer of sophistication to this product. It provides advanced protection functions including Long-time, Short-time, Instantaneous, and Ground fault protections (LSIG). The intuitive interface allows for easy configuration and monitoring, enhancing both usability and system transparency.</p><p>In terms of energy efficiency considerations, the power loss stands at 743 W. While not negligible, this figure aligns with industry standards for devices within this class size offering similar capacities.</p><p>Designed with practicality in mind, the four-pole configuration ensures comprehensive phase protection while maintaining flexibility in application design. The horizontal rear spread terminal type facilitates straightforward installation processes by allowing convenient access during setup or maintenance activities.</p><p>Compliance with IEC 309 standards guarantees that this motor-operated ACB meets international benchmarks for safety performance quality assurance providing peace of mind regarding its operational dependability under prescribed conditions.</p><p>For professionals seeking a dependable solution capable enough to meet rigorous technical demands yet user-friendly enough for seamless integration into existing systems look no further than this well-rounded offering from our portfolio ready-to-deliver on all fronts without compromise.</p>