<p>In the demanding world of industrial and commercial applications, reliability and performance are non-negotiable. The MMS series key-operated switch is engineered to meet these expectations with precision and durability. Designed for environments where illumination isn&#39;t necessary, this non-illuminated unit stands out with its robust metal construction, ensuring long-lasting use even in challenging conditions.</p><p>Operating efficiently within a temperature range from -30 to 70 degrees Celsius, this switch is adaptable to various climates and settings. Its IP66 degree of protection guarantees exceptional resistance against dust ingress and powerful water jets, making it suitable for both indoor and outdoor installations.</p><p>The MMS series adheres to rigorous standards 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 approvals. These certifications underscore its compliance with international safety norms and quality benchmarks.</p><p>Featuring a screw connection type for secure wiring setups, the switch supports a rated insulation voltage of up to 690 V. This ensures safe operation across various electrical systems. Additionally, it boasts a rated impulse withstand voltage of 4 kV which provides resilience against transient overvoltages typically encountered in industrial settings.</p><p>The contact configuration of the MMS switch is designed as 3NC (normally closed), offering reliable circuit control options for your specific needs. With an actuator type that utilizes a key mechanism for operation, it offers enhanced security by preventing unauthorized access or accidental activation.</p><p>Functionally versatile with maintained positions A, B, and C; the switch remains in position until deliberately changed by an operator—ideal for applications requiring stable control states without continuous manual intervention.</p><p>For installations requiring precise cutout dimensions; this model fits into standard panel cutouts sized at 22 mm diameter—ensuring compatibility with existing setups or facilitating straightforward new installations.</p><p>Rated at a thermal current capacity of up to 10 A; this product handles significant power loads effectively while maintaining operational integrity under sustained usage conditions typical in heavy-duty environments.</p><p>Overall; if you&#39;re seeking a dependable solution backed by industry-standard approvals that combines robust build quality with functional versatility—the MMS series key-operated switch presents itself as an excellent choice tailored specifically towards meeting technical requirements prevalent within Australia&#39;s industrial landscape.</p>