| Nominal Voltage |
Upto 11KV |
33KV |
| Make |
ABB-VD4/VMAX |
ABB-VD4 |
| Switchboard Reference Standard |
IS 3427 |
IS 3427 |
| VCB |
IEC62271-100 |
IEC62271-100 |
| Rated voltage @ Frequency (50HZ) |
12KV |
36KV |
| Ambient Temperature |
Ma +40 Deg C |
Ma +40 Deg C |
| Rated power frequency withstand voltage (VRMS) |
28KV |
70KV |
| Rated impulse withstand voltage(VPEAK) |
75KV |
170KV |
| Rated short time withstand current (3sec) |
Upto 40KA |
Upto 31.5KA |
| Degree of Protection External compartment |
IP:4X/5X |
IP:4X/5X |
| Degree of Protection Internal compartment |
IP:2X |
IP:2X |