<p>When selecting a reliable and durable switch for industrial applications, the technical specifications of each component are crucial. This particular switch is designed to meet demanding operational needs with precision and longevity in mind.</p><p>Operating at a rated voltage of 400 VAC and a current of 4 A, this switch is crafted to handle substantial electrical loads efficiently. The housing material, constructed from grey cast iron and galvanized for added durability, ensures robustness in challenging environments. Its IP65 degree of protection signifies that it is dust-tight and protected against water jets, making it suitable for various industrial settings where exposure to elements might be a concern.</p><p>The standards and approvals met by this product include EN IEC 60947-5-1, which underscores its compliance with international safety regulations for low-voltage switchgear. The contact configuration features one normally open (1NO) contact type, leveraging silver as the contact material to enhance conductivity and reduce resistance.</p><p>This switch employs a slow action switching type with an offset roller lever actuator. Such an actuator design allows for precise control over switching operations even at minimal actuating speeds as low as 1 mm/min. This feature is particularly beneficial when gradual engagement is required without compromising on performance or reliability.</p><p>For additional safety measures, the fuse rating stands at 16 A gG D-Fuse, providing adequate protection against overloads or short circuits. The cable cross-section compatible with this device is specified at 1.5 sq-mm, ensuring ease of integration into existing systems while maintaining optimal electrical flow.</p><p>One notable aspect of this product&#39;s design is its mechanical life expectancy—rated at an impressive ten million operations—which guarantees long-term functionality without frequent need for replacements or repairs. This makes it an ideal choice for installations where continuous operation over extended periods is necessary.</p><p>Furthermore, the contact opening consists of two openings measuring 6 mm each—an essential detail that supports effective connection management within complex circuit arrangements.</p><p>In summary, this switch offers a well-rounded package combining durability with high-performance capabilities suited for rigorous industrial applications. Its adherence to stringent standards coupled with practical features like slow action switching and robust construction materials make it a dependable choice in any professional setting requiring precision control mechanisms.</p>