<p>When it comes to selecting reliable components for industrial and commercial applications, precision and durability are key. If you&#39;re in the market for a robust, non-illuminated metal switch, this product from the MMS series might just fit the bill. Designed to operate efficiently within a temperature range of -30 to 70 degrees Celsius, this device is built to withstand challenging environments.</p><p>One of its standout features is its IP66 degree of protection. This ensures that the switch is dust-tight and protected against powerful water jets—an essential characteristic for maintaining functionality in harsh conditions. The switch&#39;s adherence to standards like CSA C22.2 No. 14, IEC/EN 60073, IEC/EN 60529, IEC/EN 60947-5-1, IEC/EN 60947-5-5, and UL 508 further underscores its reliability and compliance with international safety norms.</p><p>The connection type is screw-based, offering secure and straightforward installation—a practical choice for many technicians working on-site or in workshop settings. With a rated insulation voltage of up to 690 V and an impulse withstand voltage rating of 4 kV, this switch provides excellent electrical performance under demanding conditions.</p><p>Featuring a contact configuration of 2 normally closed (NC), the switch utilizes a momentary function with an actuator type designed as a key. This design offers precise control suitable for various operational needs where temporary activation is required.</p><p>A notable aspect of this product is its rated thermal current capacity at 10 A—providing ample power handling capabilities for numerous applications without compromising on safety or efficiency.</p><p>Furthermore, the cutout size measures at an industry-standard of 22 mm which allows it to be easily integrated into existing systems or new installations without necessitating extensive modifications.</p><p>The maintained positions labeled as A, C, B offer flexibility depending on your specific application requirements—whether it&#39;s machinery operation or process control systems.</p><p>In summary, if you require a dependable component that meets rigorous standards while delivering consistent performance across diverse environments—the MMS series non-illuminated metal key-operated momentary switch could be exactly what you need.</p>