Sprecher + Schuh KTA9-32S-6.3A-EY-AA-480V explosion-proof motor controller with Frame C standard capacity rated 4.0-6.3A with 88A magnetic trip and 480V shunt release. Supports 1 HP at 200V, 1.5 HP at 230V, 3 HP at 460V, and 5 HP at 575V. NEMA Type 4/7/9 rated enclosure with black Off-On operator. UL Listed, CSA Approved for hazardous locations. Commonly used for petrochemical process pumps, refinery fans, grain processing drives, and classified area exhaust systems.