<p>The MMS2 series key-operated switch is a robust and reliable choice for industrial and commercial applications where durability and precision are paramount. Built with a metal construction, this non-illuminated switch is designed to operate efficiently within a broad temperature range of -30 to 70 degrees Celsius, making it suitable for diverse environments.</p><p>With an IP66 degree of protection, the MMS2 switch is highly resistant to dust and water ingress, ensuring dependable performance even in challenging conditions. This level of protection makes it ideal for settings where maintenance access might be limited or where equipment needs to withstand harsh elements.</p><p>Engineered according to stringent standards, the MMS2 meets CSA C22.2 No. 14, IEC/EN 60073, IEC/EN 60529, IEC/EN 60947-5-1, IEC/EN 60947-5-5, and UL 508 certifications. These approvals provide assurance that this product adheres to international safety and performance benchmarks.</p><p>The switch features a screw connection type that facilitates secure installation while allowing straightforward maintenance when necessary. Its contact configuration includes one normally closed (1NC) contact which ensures reliable operation in control circuits.</p><p>Rated at an insulation voltage of up to 690 V with an impulse withstand voltage of 4 kV, the MMS2 series demonstrates exceptional electrical endurance. It supports a rated thermal current of up to 10 A which suits various power requirements across different applications.</p><p>A standout feature is its momentary function with maintained positions C and A providing flexibility in operational use cases where temporary activation or deactivation is required without locking.</p><p>Designed with user convenience in mind, the actuator type utilizes a key mechanism which adds an additional layer of security by restricting unauthorized access or accidental activation—an essential consideration in sensitive or high-stakes environments.</p><p>The cutout size stands at a standard diameter of 22 mm facilitating easy integration into existing panels or control boxes without needing extensive modifications. Additionally equipped with LED block light types although non-illuminated by default these components can be leveraged as needed depending on specific application requirements enhancing versatility further still within your system architecture demands whether upgrading existing setups replacing outdated units entirely new installations alike all backed solidly by proven engineering excellence inherent throughout every aspect design manufacture deployment process itself ultimately delivering peace mind reliability you demand deserve today tomorrow beyond Manufacturer Part Number: MMS2</p>