<p>In the realm of industrial and commercial electrical engineering, choosing the right accessory is crucial for ensuring safety, efficiency, and compliance. This particular accessory stands out with its impressive specifications tailored for demanding environments.</p><p>With a rated current of 4000 A, this accessory is designed to handle substantial electrical loads reliably. It operates at a rated voltage of 690 VAC, positioning it as a robust choice for various applications requiring high power management. Furthermore, it boasts a rated insulation voltage of 1000 V and an impressive rated impulse withstand voltage of 12 kV, providing excellent protection against transient over-voltages.</p><p>The accessory features an EL release type and has a power loss rating of 900 W. This ensures efficient operation while minimizing energy wastage—an important consideration in large-scale installations where energy efficiency translates to cost savings.</p><p>Engineered with three poles, the product offers versatility in installation setups. Its breaking capacity is notable at 66 kA, ensuring that it can safely interrupt fault currents without compromising system integrity—a critical feature for maintaining operational safety.</p><p>Protection from environmental factors is ensured by its IP30 degree of protection rating. While not waterproof or dustproof to extreme levels, this rating provides adequate protection against solid objects larger than 2.5 mm in diameter—a suitable level for indoor installations where exposure to harsh elements is minimal.</p><p>The dimensions are practical for integration into existing systems: with a width and height both measuring 425 mm and a depth of 383 mm. Despite its substantial capabilities, the unit maintains manageable proportions that facilitate easy handling during installation or maintenance procedures.</p><p>Weighing in at 60 kg, it&#39;s built with durability in mind yet remains feasible for transport and setup by professional teams equipped to handle such equipment safely.</p><p>This product complies with IEC 309 standards and approvals—an assurance that it meets international benchmarks for quality and safety in electrical components.</p><p>In summary, this accessory&#39;s combination of high-rated capacities alongside essential protective features makes it an excellent choice for professionals seeking reliable performance under rigorous conditions without compromising on compliance or efficiency metrics.</p>