<p>For professionals in the electrical engineering and automation sectors, selecting the right components is crucial for ensuring operational efficiency and reliability. This particular switch offers a robust solution tailored for industrial and commercial applications, thanks to its meticulous design and durable construction.</p><p>Operating at a rated voltage of 250 VAC with a current capacity of 4 A, this switch is well-suited for various demanding environments. The use of grey cast iron with galvanized housing ensures not only durability but also resistance to corrosion, making it ideal for harsh conditions. With an IP65 degree of protection, it provides excellent dust-tight performance and protection against water jets from any direction.</p><p>Conforming to ENIEC 60947-5-1 standards, this switch guarantees compliance with international safety and quality norms. Its contact configuration of 1NO+1NC (one normally open and one normally closed) allows versatile connectivity options suitable for complex systems. The snap action switching type ensures quick response times, essential for applications requiring precise control.</p><p>The actuator type is a roller plunger which facilitates smooth operation even at minimal actuating speeds as low as 1 mm/min. Such precision makes it suitable for applications where slow movement detection is required. Contacts are crafted from silver, offering excellent conductivity and longevity under frequent usage conditions.</p><p>To further enhance safety measures, the switch includes a fuse rating of 16 A gG D-Fuse. This feature adds an extra layer of protection against overcurrent scenarios that could potentially damage connected equipment or cause system failures.</p><p>Accommodating cable cross sections up to 1.5 sq-mm allows flexibility in installation while maintaining secure connections. Contact opening dimensions are specified at two instances of 2.5 mm each, supporting reliable separation when engaged.</p><p>One standout feature is its impressive mechanical life expectancy; rated at five million operations, this switch promises long-term service without frequent replacements or maintenance interruptions—an invaluable trait in high-demand settings where downtime can be costly.</p><p>This combination of technical specifications underscores the product&#39;s suitability across numerous industrial setups needing dependable performance without compromising on safety or compliance standards.</p>