200A MCCB Automatic Transfer Switch Radin Electric  provides ATS design, engineering, and full after sales support for a wide range of automatic transfer switch applications. We offer onsite electrical audits to assist in determining the correct product and installation to meet your exact needs and requirements. Technical Specification Model RDQ3CM Working Voltage AC400V  50/60Hz Operation Mode Auto and Manual Transfer Mode Auto Transfer with Auto Recovery Auto Transfer without Auto Recovery Grid·Generator Rated Current 100A to 1250A Poles 3P and 4P Color White / Black Controller A / B Type as per customer RDQ3CM series intelligent dual power auto transfer switch (brief as ATS) suitable for emergency power supply system with rated AC voltage 400V, 50/60Hz. When one power source fault, can auto interchange from main power to backup power, no need manual operation, to protect the power supply stability. Mainly apply to the important place which not allow power cutoff such as Hospital, shopping mall, bank, chemical industry, metallurgy, high building, military facilities and fire-fighting etc. Product Structure RDQ3CM series intelligent ATS comprised with two 3P or 4P MCCB and its accessories (Aux. contact,Alarm contact), Mechanical interlocking transmission mechanism, intelligent controller etc. Have two constructions of integral and split type. Integral type is controller and executive unit installed at a same base; Split type is controller installed on the panel and the executive unit installed on the base inside the panel box, a 2m length signal cable connecting the controller with the executive unit.