<p>When selecting an industrial-grade switch for your commercial or technical needs, it&#39;s crucial to consider a product that balances performance with reliability. This particular switch is engineered to meet stringent standards and provide robust functionality in demanding environments.</p><p>With a rated current of 400 A and a rated voltage range of 200-480 VAC, this switch is versatile enough to handle substantial electrical loads. Its construction adheres to UL1008 and IEC60947-6-1 standards, ensuring compliance with international safety and performance requirements.</p><p>The dimensions of the switch are compact yet efficient, measuring 455 mm in width, 305 mm in height, and 183 mm in length. Despite its solid build, it maintains a manageable weight of 17.13 kg. The IP20 degree of protection indicates that the device is protected against touch by fingers but should be installed in environments free from dust or water ingress.</p><p>This model features four poles with the fourth pole positioned on the right side as switched-late-break and early-make—ideal for applications requiring precise control over circuit connections. The transition type is open style, providing straightforward operation without unnecessary complexity.</p><p>For those concerned about power efficiency, this switch exhibits minimal power loss at just 8 W while maintaining an air thermal current capacity of up to 400 A. It also boasts a rated impulse withstand voltage of 12 kV and can endure short-circuit conditions with a rated withstand current of up to 25 kA.</p><p>The direct-mounted handle design simplifies installation and operation; meanwhile, bolt-type terminals ensure secure connections. The line terminals are strategically placed with supplies on top and load on bottom configurations for ease during setup.</p><p>Additionally, it operates seamlessly across both standard frequencies—50 Hz or 60 Hz—making it adaptable for various regions&#39; electrical systems. The controller type is Level 3 (LCD), offering user-friendly interface options that facilitate monitoring and adjustments when needed.</p><p>In summary, this switch combines essential features like robust current handling capabilities with advanced functionality such as switched-late-break technology—all within an open-style configuration tailored for industrial use cases where reliability cannot be compromised.</p>