<p>In the realm of industrial and commercial electrical systems, choosing the right Air Circuit Breaker (ACB) is crucial for ensuring safety and reliability. This non-automatic ACB is engineered to meet rigorous demands with its robust specifications designed for high-performance environments.</p><p>This ACB boasts a rated current of 4000 A, making it suitable for heavy-duty applications where a substantial current load is expected. Its rated impulse withstand voltage stands at 12 kV, which provides excellent protection against transient over-voltages typically caused by lightning strikes or switching surges.</p><p>With a rated insulation voltage of 1000 VAC, this breaker ensures safe operation under normal conditions while offering flexibility in various installation scenarios. The device operates effectively at a rated voltage of 690 VAC, catering to most industrial power distribution needs.</p><p>The breaking capacity of this ACB is an impressive 100 kA. This high breaking capacity means that the breaker can safely interrupt fault currents without damage to itself or the system it&#39;s protecting, thus maintaining operational integrity during fault conditions.</p><p>Its rated short time withstand current capability is set at 85 kA. This parameter highlights the breaker&#39;s ability to endure high fault currents for a specified short duration without tripping immediately—an essential feature for selectivity in complex power systems.</p><p>Designed with four poles and featuring a horizontal rear spread terminal type, this ACB offers ease of integration into existing systems while providing balanced power distribution across phases. The frame size E4.2 indicates compatibility with standard enclosures and mounting configurations commonly used in industrial settings.</p><p>Despite its powerful capabilities, it maintains efficiency with a power loss rating of only 900 W—a testament to its design optimization aimed at minimizing energy wastage during operation.</p><p>Compliance with IEC 309 standards further underscores its quality and reliability in adhering to international benchmarks for safety and performance. These standards ensure that users can trust this product&#39;s suitability across diverse applications within Australia’s stringent regulatory environment.</p><p>Overall, this non-automatic ACB presents itself as an ideal choice for professionals seeking dependable circuit protection solutions tailored to demanding settings where precision and durability are paramount considerations.</p>