VD4 vacuum circuit breaker with a vertical impact of the insulating sleeve defensible various climates; and in the maintenance and maintenance, usually only make occasional operating mechanism of cleaning or lubrication. In the form of switch cabinet installation can be either fixed, it can be handcart, but also installation on the frame. Model specifications technical parameters numbers old type: VD4-1206-25M new: VD4 / Z 12.06.25 Description: VD4-12 / 630A-25KA (VD4 12KV 630A 25KA) old type: VD4-1206-31M new: VD4 / Z 12.06.32 Product description: VD4-12 / 630A-31.5KA (VD4 12KV 630A 31.5KA) old type: VD4-1212-25M new: VD4 / Z 12.12.25 Description: VD4-12 / 1250A-25KA (VD4 12KV 1250A 25KA) old type: VD4-1212-31M new: VD4 / Z 12.12.32 Description: VD4-12 / 1250A-31.5KA (VD4 12KV 1250A 31.5KA) old type: VD4-1212-40M new: VD4 / Z 12.12.40 Product description: VD4-12 / 1250A-40KA (VD4 12KV 1250A 40KA) old type: VD4-1212-50M new: VD4 / Z 12.12.50 Description: VD4-12 / 1250A-50KA (VD4 12KV 1250A 50KA ) Old type: VD4-1216-25M new: VD4 / Z 12.16.25 Description: VD4-12 / 1600A-25KA (VD4 12KV 1600A 25KA) old type: VD4-1216-31M new: VD4 / Z 12.16.32 Products Description: VD4-12 / 1600A-31.5KA (VD4 12KV 1600A 31.5KA) old type: VD4-1216-40M new: VD4 / Z 12.16.40 Description: VD4-12 / 1600A-40KA (VD4 12KV 1600A 40KA) Old Type: VD4-1216-50M new: VD4 / Z 12.16.50 Description: VD4-12 / 1600A-50KA (VD4 12KV 1600A 50KA) old type: VD4-1220-25M new: VD4 / Z 12.20.25 Product description: VD4-12 / 2000A-25KA (VD4 12KV 2000A 25KA) old type: VD4-1220-31M new: VD4 / Z 12.20.32 Description: VD4-12 / 2000A-31.5KA (VD4 12KV 2000A 31.5KA) old type: VD4-1220-40M new: VD4 / Z 12.20.40 Description: VD4-12 / 2000A-40KA (VD4 12KV 2000A 40KA) old type: VD4-1220-50M new: VD4 / Z 12.20.50 Product description: VD4- 12 / 2000A-50KA (VD4 12KV 2000A 50KA) Notes: 1, withdrawable VSC / P vacuum contactors includes the following standard configuration: bistable permanent magnetic actuator; wide supply voltage module; pluggable terminal box; open and close indicator; sub-closing position of the auxiliary contacts BB1, BB2; auxiliary switch BT1, BT2, BT3; electronic operation counter; secondary circuit air plug; chassis, etc;