<p>When it comes to ensuring the reliability and safety of electrical systems in industrial and commercial settings, selecting an appropriate Automatic Air Circuit Breaker (ACB) is crucial. This particular ACB model stands out with its robust specifications tailored for demanding environments.</p><p>Designed to handle a rated current range from 1600 to 4000 A, this ACB is versatile enough to cater to various electrical load requirements. Its rated impulse withstand voltage of 12 kV and insulation voltage of 1000 VAC ensure it can manage high-stress situations while maintaining system integrity.</p><p>Safety and durability are further enhanced by its rated short time withstand current and breaking capacity of 66 kA, making it suitable for installations where high fault levels are expected. The unit operates efficiently at a rated voltage of up to 690 VAC, aligning well with typical industrial power systems.</p><p>Equipped with the Ekip Touch LSIG trip unit, this breaker offers advanced protection features including long-time, short-time, instantaneous, and ground fault protections. This ensures comprehensive safeguarding against various types of electrical faults that could otherwise lead to equipment damage or downtime.</p><p>The frame size E4.2 provides a solid structure that supports the breaker&#39;s operational capabilities while fitting seamlessly into existing setups. With a horizontal rear spread terminal type, installation becomes straightforward in panel applications where space optimization is key.</p><p>Power loss for this model is noted at 900 W—a critical factor when considering energy efficiency over extended periods. It’s also compliant with IEC 309 standards and approvals, guaranteeing adherence to international quality benchmarks which assure users of its reliability and performance under standard conditions.</p><p>With four poles available, this ACB accommodates balanced three-phase loads plus neutral connections if required—ideal for modern electrical distribution networks needing precise control over power flow.</p><p>In summary, this automatic ACB delivers on multiple fronts: safety through high breaking capacity; versatility via adjustable current ratings; efficiency backed by low power losses; all within an internationally approved framework ready for integration into your electrical infrastructure needs.</p>