The Mitsubishi Contactor S-T21 is a high-performance industrial switching component tailored for automatic control systems, featuring an AC 110V control voltage for stable and responsive activation, paired with a 2A2B -2 contact configuration that includes 2 normally open (NO) and 2 normally closed (NC) contacts to accommodate diverse circuit switching needs. Built to Mitsubishi’s rigorous quality standards, it boasts industrial-grade durability—resisting mechanical wear, electrical arcing, and harsh operational conditions common in manufacturing and automation settings—while ensuring precise, repeatable performance in high-cycle applications. Seamlessly integrating into control panels and automatic control ecosystems, this contactor supports smooth circuit management for machinery, production lines, and process control setups, adhering to global safety and compatibility norms to deliver reliable operation and long service life for critical industrial automation needs.