<p>For professionals in the industrial and commercial sectors seeking reliable components, the MMS Series offers a robust solution with its key-operated momentary switch. This product is engineered for applications where precision and durability are paramount.</p><p>Constructed from metal, this non-illuminated switch is designed to withstand harsh environments, boasting an impressive operational temperature range of -30 to 70 degrees Celsius. Its resilience is further underscored by its IP66 rating, ensuring protection against dust and powerful water jets—a crucial feature for demanding industrial settings.</p><p>The MMS Series adheres to rigorous standards and approvals including CSA C22.2 No. 14, IEC/EN 60073, IEC/EN 60529, IEC/EN 60947-5-1, IEC/EN 60947-5-5, and UL 508. These certifications guarantee that the product meets high safety and performance benchmarks required in various electrical installations.</p><p>Featuring a Faston connection type for ease of installation, this switch supports a rated insulation voltage of up to 690 V with a rated impulse withstand voltage of 4 kV. The contact configuration is set at 3NC (normally closed), providing reliable control in your circuits.</p><p>The actuator&#39;s key type ensures secure operation while maintaining functionality through its momentary action. With maintained positions A, C, B available within its design parameters, users can expect consistent performance tailored to their specific application needs.</p><p>Designed with practicality in mind, the MMS Series features a standard cutout size of 22 mm which simplifies integration into existing systems or new projects without additional modifications. Additionally, it supports a rated thermal current of up to 10 A—suitable for handling typical industrial load requirements efficiently.</p><p>In summary, the MMS Series key-operated momentary switch combines durability with compliance across multiple international standards—making it an ideal choice for engineers looking for dependable components that deliver under pressure without compromise on quality or safety.</p>