<p>When considering robust solutions for industrial and commercial electrical systems, this product offers a dependable choice with its comprehensive specifications. Designed to meet the rigorous demands of modern installations, it stands out due to its adherence to the IEC60947-6-1 standards, ensuring reliability and safety.</p><p>With a rated current of 250 A, this device is well-suited for heavy-duty applications. The rated voltage range between 200-480 VAC provides versatility across various operational environments. Additionally, it supports both 50 Hz and 60 Hz frequency operations, making it adaptable to diverse power systems.</p><p>The product&#39;s physical dimensions—375 mm in width, 305 mm in height, and a length of 183 mm—alongside a weight of 15.57 kg make it manageable for installation while maintaining structural integrity. Its IP20 degree of protection highlights its suitability for indoor use where exposure to dust or moisture is minimal.</p><p>Safety is further enhanced by its rated impulse withstand voltage of 8 kV and a rated insulation voltage up to 1000 V. These features ensure reliable performance even under unexpected voltage spikes or insulation challenges. The degree of pollution rating at IP3 indicates moderate resistance against environmental contaminants.</p><p>Functionality extends through its four poles with switched-simultaneous function on both left and right sides, providing flexibility in circuit design and implementation. The transition type being delayed allows for controlled switching operations that can protect sensitive equipment from sudden electrical changes.</p><p>Installation is straightforward with bolt-type terminals facilitating secure connections while the line terminal position configuration (supplies on top-load on bottom) aids in efficient wiring layouts. The handle type is direct mounted which ensures intuitive operation for users.</p><p>Moreover, the level 3 LCD controller adds an advanced layer of control capability offering precise monitoring and adjustments as needed in sophisticated setups.</p><p>In terms of energy efficiency, the product&#39;s power loss stands at just 9.7 W which minimizes unnecessary energy consumption during operation—a critical consideration for cost-effective maintenance over time.</p><p>Overall, this open-style unit combines functionality with compliance and ease-of-use making it an excellent option for those seeking reliable performance without compromise on technical specifications or standards adherence.</p>