Each unit will operate one or two motors in a convenient 2RU package with all controls and connections readily accessible on the front panel. The PLR-MC21 has ten Amp circuit breaker protection and is designed for use with one ton and smaller motors. The PLR-MC22 has twenty Amp circuit breaker protection and is designed for use with two ton motors. Both units have individual up and down selectors for each motor and a master GO button. A phase reverse circuit is also provided to correct motor direction. Three phase input connectors can be selected to coordinate with existing power distros and motor connection is through seven pin round type disconnects. Custom plastic carry cases available upon request.