12kV outdoor Air insulated VCB switchboard (with ABB make horizontal draw-out type circuit
breakers – VD4) is designed to meet the specific needs of the Indian market, with key features such as a compact construction and low maintenance.
The VD4 range provides an access to the quality, reliability, safety, performance and high level of technical support associated with ABB’s global brand.
| PARAMETER | UNIT | VALUE |
|---|---|---|
| Rated voltage | [kV] | 12 |
| Rated insulation voltage | [kV] | 12 | Rated power frequency withstand voltage | [kV 1 min] | 28 |
| Rated lightning impulse withstand voltage | [kV] | 75 |
| Rated frequency | [Hz] | 50 |
| Rated short time withstand current | [kA 3s] | 20/26.3/ 31.5 |
| Peak current | [kA] | 65.75 |
| Main busbar rated current | [A] | 630 - 1250A |
| Branch connection rated current | [A] | 630 - 1250A |
| Clearance required on for maintenance on front | [m] | 1.5 |
| Clearance required on for maintenance on rear | [m] | 1 |
| Clearance required on for maintenance on sides | [m] | 1 |
| Cable connection height | [mm] | 600 |
| Paint shades [For front door and end covers only] | RAL7032 Siemens Grey (other shades on request) | |
| Approximate weight | [Kg] | 800 |