<p>The MMS series key-operated switch is a robust and reliable choice for industrial and commercial applications where durability and precision are paramount. Designed with non-illuminated metal construction, this switch ensures long-lasting performance even in demanding environments. Its operational temperature range from -30 to 70 degrees Celsius makes it suitable for various climates, providing flexibility across different settings.</p><p>This switch boasts an IP66 degree of protection, offering excellent resistance against dust ingress and powerful water jets. This makes it ideal for use in harsh conditions where equipment reliability is crucial. The MMS series complies with several important 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 certifications which assure users of its safety and quality.</p><p>Featuring a screw connection type for secure installation, the MMS series ensures a stable electrical connection that minimizes the risk of malfunction or downtime. The rated insulation voltage of 690 V coupled with a rated impulse withstand voltage of 4 kV highlights its capability to handle high-voltage applications safely.</p><p>With a contact configuration of three normally open (3NO) contacts, this maintained function switch allows operators to keep circuits open or closed as needed without continuous pressure on the actuator. The key actuator type provides added security by allowing only authorized personnel to operate the switch.</p><p>The MMS series also supports multiple maintained positions: A, B, and C enhancing its versatility in control panel designs or machinery operations where specific positioning is required.</p><p>Rated at a thermal current of up to 10 A this product can efficiently manage moderate power loads making it suitable for many industrial automation tasks. Additionally its standard cutout size of 22 mm facilitates easy integration into existing systems or new installations ensuring compatibility with common industry practices.</p><p>Overall the MMS series key-operated switch combines practical features with stringent adherence to international standards making it an excellent choice for professionals seeking dependable switching solutions in challenging environments.</p>