<p>This Automatic Air Circuit Breaker (ACB) is a robust and reliable solution designed for industrial and commercial applications, ensuring safety and efficiency in electrical systems. With a rated current ranging from 1280 to 3200 A, this ACB is suitable for various high-demand environments where performance consistency is paramount.</p><p>The device boasts a rated impulse withstand voltage of 12 kV, providing significant protection against transient over-voltages. Its rated insulation voltage stands at 1000 VAC, ensuring the system remains insulated under normal operating conditions. The breaker operates effectively with a rated voltage of up to 690 VAC, making it versatile for different electrical setups.</p><p>One of the standout features of this ACB is its impressive short-time withstand current rating of 66 kA. This attribute ensures that the device can handle substantial fault conditions without compromising its structural integrity or operational capability. Additionally, the breaking capacity matches this short-time withstand current at 66 kA, offering reliable performance during fault clearing scenarios.</p><p>Equipped with an Ekip Touch LSIG trip unit, this circuit breaker provides advanced protection functionalities including long-time (L), short-time (S), instantaneous (I), and ground fault (G) protections. These features allow for precise customization according to specific system requirements while enhancing overall safety.</p><p>The frame size E4.2 indicates a compact yet powerful design capable of handling large currents within limited space constraints. The horizontal rear spread terminal type facilitates easy integration and connection within existing setups, minimizing installation time and complexity.</p><p>Conforming to IEC 309 standards and approvals ensures that this ACB meets international quality benchmarks for safety and reliability in electrical installations. With power loss measured at just 743 W, it maintains energy efficiency even under heavy load conditions.</p><p>Overall, this Automatic ACB offers a comprehensive package combining high-rated capabilities with advanced protective features tailored to meet demanding industrial needs efficiently and safely without unnecessary complications or excessive space requirements.</p>