1)GCS type Rated Voltage: 660/400/230 V Rated Current(max): 4000 A Overall Dimensions(mm): 600 600 800 ?00 ?200 1000 1000 Character: Can devide easily，36 function unit max. permitted 2) MNS type Rated Voltage: 660/400/230 V Rated Current(max): 4000 A Overall Dimenstions: 600 600 1000 ?00?200 1000 Characters: Unit modulus，power distribution ,control can be compose flexiable 3) CUBIC type Rated Voltage: 660/400/230 V Rated Current(max): 4000 A Overall Dimensions: 576 576 768 ?68 ?232 Characters: Input technical，compose flexiable, can devide easily 4) GCK type Rated Voltage: 400/230 V Rated Current(max): 4000 A Overall Dimension(mm): 600 800 800 ?000?200 1000 Characters: Tradition technical, Used more flexiably 5) GBD type Rated Voltage: 400/230 V Rated Current(max): 2500 A Overall Dimensions(mm): 600 600 800 ?00?200 1000 1000 Characters: Each units fixed devide，avoid accident effective 6) GHK type Rated Voltage: 400/230 V Rated Current(max): 3150A Overall Dimensions(mm): 600 800 ?00 ?200 1000 1000 Characters: Stationary input units mix installed 7)GGD type Rated Voltage: 400/230 V Rated Current(max): 4000 A Overall Dimensions(mm): 600 600 800 ?00?200 1000 1000 Characters: Function steady 8) JK type Rated Voltage: 660/400/230 V Rated Current(max): 4000 A Overall Dimensions(mm): 600 600 800?00 ?200 1000 1200 Characters: Program Flexiable，suitable to all kinds situation