<p>When it comes to selecting a reliable and robust control component for industrial and commercial applications, the MMS series offers a compelling choice with its non-illuminated metal design. This device is engineered to withstand challenging environments, boasting an IP66 degree of protection which ensures excellent resistance against dust and powerful water jets.</p><p>Designed for versatility, this key-operated actuator features a maintained function, allowing it to stay in one of four positions (A, B, C, D) without requiring continuous pressure. This makes it ideal for applications where stability and reliability are critical. The actuator&#39;s operational temperature range from -30 to 70 degrees Celsius further underscores its suitability for diverse conditions.</p><p>The connection type is screw-based, ensuring secure and straightforward installation. With a cutout size of 22 mm, it fits seamlessly into standard panel designs. The contact configuration includes four normally open contacts (4NO), providing multiple pathways for circuit completion when engaged.</p><p>Safety and compliance are paramount in industrial settings; hence this product meets several rigorous standards such as CSA C22.2 No. 14, IEC/EN 60073/60529/60947-5-1/60947-5-5, and UL 508 certifications. These approvals confirm adherence to international safety protocols and performance benchmarks.</p><p>Electrical specifications include a rated insulation voltage of 690 V and a rated impulse withstand voltage of 4 kV—both indicative of the unit&#39;s capacity to handle high-voltage demands safely. Additionally, the rated thermal current stands at 10 A which is suitable for numerous electrical systems within industrial frameworks.</p><p>In summary, the MMS series key-operated actuator offers durability through its metal construction while delivering reliable performance across various environments thanks to its robust design features like IP66 protection rating and wide operational temperature range. Its adherence to global standards ensures compatibility with existing systems while maintaining safety integrity—a crucial consideration for technical professionals evaluating their equipment needs.</p>