<p>For professionals in the electrical engineering and automation sectors, selecting a reliable and robust control component is critical. The MMS Series key-operated switch offers a dependable solution for those seeking a non-illuminated, metal-constructed switch that stands up to demanding industrial environments.</p><p>This product is engineered to perform within an operational temperature range of -30 to 70 degrees Celsius, making it suitable for diverse Australian climates. Its IP66 degree of protection ensures resilience against dust ingress and powerful water jets, which is essential for maintaining functionality in harsh conditions.</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 as well as UL 508 certifications. These endorsements confirm its compliance with international safety and performance benchmarks vital for both industrial and commercial applications.</p><p>Its screw connection type facilitates straightforward installation while ensuring secure connectivity—an important feature when addressing the needs of complex systems. With a rated insulation voltage of 690 V and a rated impulse withstand voltage of 4 kV, this switch promises high reliability under various electrical conditions.</p><p>The contact configuration comprises two normally closed (2NC) contacts providing effective circuit control options essential for safety-critical operations. Designed with user convenience in mind, the actuator type employs a key mechanism allowing maintained operation across positions A, B, or C—ideal for situations where specific settings need to be locked in place over time.</p><p>Rated at a thermal current of 10 A, this switch supports significant power loads without compromising on performance or safety—a crucial factor when integrating into larger assemblies or systems requiring consistent energy throughput.</p><p>The cutout size measures at an industry-standard 22 mm enabling easy integration into existing panels or new installations without the need for extensive modifications. This practical design feature simplifies deployment across various setups while maintaining consistency with other components within your system architecture.</p><p>Overall, the MMS Series key-operated switch embodies durability and adherence to stringent quality standards making it an excellent choice for professionals who prioritize reliability and efficiency in their projects.</p>