<p>The MMS series offers a robust and reliable solution for industrial and commercial applications, particularly where durability and safety are paramount. This non-illuminated switch is constructed from high-quality metal, ensuring it can withstand the rigors of demanding environments. With an operational temperature range of -30 to 70 degrees Celsius, it remains functional in both extreme cold and heat, making it versatile for various settings.</p><p>Designed with a degree of protection rated at IP66, this product is dust-tight and protected against powerful water jets, which enhances its longevity even in harsh conditions. It meets several international standards including CSA C22.2 No. 14, IEC/EN 60073, IEC/EN 60529, IEC/EN 60947-5-1, IEC/EN 60947-5-5 as well as UL 508 approvals. These certifications underscore its compliance with global safety and performance benchmarks.</p><p>The key actuator type provides a maintained function across four positions: A, B, C, and D. This configuration allows for secure operation control in various scenarios while the contact setup of 4 normally closed (NC) contacts ensures dependable circuit isolation when needed.</p><p>For electrical specifications, the switch supports a rated insulation voltage up to 690 volts and can handle a rated impulse withstand voltage of up to 4 kV. The rated thermal current capacity stands at an impressive 10 amperes which indicates its capability to manage substantial power loads without overheating or failure.</p><p>Installation is straightforward due to its faston connection type that simplifies wiring tasks while ensuring firm connectivity. The cutout size required for mounting is standard at 22 mm which fits well into most panels without the need for extensive modifications.</p><p>In summary, this MMS series switch combines rugged construction with advanced technical features suitable for professionals seeking reliability in their operations. Its adherence to multiple international standards assures users of its quality performance across different applications within the industrial sector.</p>