<p>When it comes to selecting the right accessory for industrial and commercial electrical systems, understanding the technical specifications is crucial. This particular product offers a range of features that cater to demanding environments, ensuring reliability and safety.</p><p>At the heart of its functionality, this accessory supports a rated current of 1250 A. This makes it suitable for applications requiring significant power distribution capabilities, ensuring efficient performance in high-demand scenarios. Complementing this is its rated voltage of 690 VAC, which aligns well with standard industrial requirements.</p><p>Safety is paramount in any electrical system, and this product doesn&#39;t fall short. It boasts a rated impulse withstand voltage of 12 kV and a rated insulation voltage of 1000 V. These figures indicate robust protection against transient over-voltages, ensuring the integrity of your system under various conditions.</p><p>The release type EL adds an extra layer of security by providing effective fault detection and response mechanisms. In terms of power efficiency, it has a power loss rating of 176 W—an important consideration when assessing energy consumption within your setup.</p><p>With four poles available, this accessory facilitates versatile connectivity options while maintaining operational stability across multiple circuits. The breaking capacity is another standout feature at 66 kA, offering substantial protection during fault conditions by safely interrupting excessive currents.</p><p>Physical dimensions are also critical for installation planning; hence it&#39;s worth noting the width (407 mm), height (425 mm), and depth (383 mm) measurements. These dimensions ensure compatibility with existing infrastructure or new installations without compromising on spatial constraints.</p><p>Weighing in at 55 kg, handling during installation should be straightforward yet requires appropriate equipment or manpower due to its heftiness—a typical characteristic for products designed for heavy-duty use.</p><p>This accessory complies with IEC 309 standards and approvals—an assurance that it meets international criteria for safety and performance in electrical installations.</p><p>In summary, if you&#39;re seeking an accessory that combines high-rated current handling with robust safety features like strong impulse withstand capability and reliable fault management through EL release type—all while adhering to recognized international standards—this product stands out as a dependable choice for your industrial needs.</p>