VZF-12R Switch type vacuum load switch fuse combiner
Model and meaning
Normal use environment
◆Ambient temperature: Maximum temperature +40℃, minimum temperature -25℃；
◆Environmental humidity: Average relative humidity for humans: <95, average relative humidity for months: <90%；
◆Daily average saturated vapor pressure: ≤2.2x10-3Mpa；
◆Monthly average saturated vapor pressure: ≤1.8x10-3Mpa；
◆Altitude: not higher than 1500m；
◆Earthquake intensity: no more than 8 degrees；
◆Applicable places: no dripping water, no danger of accumulation and explosion, no chemical corrosive gas, no severe vibration；
◆If the product use environment exceeds the above regulations, the user can negotiate with our company to determine.
Technical Parameters
|
Name |
Unit |
Numeric |
|
|
VZF-12/T630-20 Vacuum load switch |
Vacuum load switch-fuse combination appliance VZF-12/T125-5012 |
||
|
Rated voltage |
KV |
12 |
12 |
|
Power frequency withstand voltage (phase to phase, to ground) |
KV |
42 |
42 |
|
Lightning strike (phase to phase, to ground) |
KV |
75 |
75 |
|
Rated current |
A |
630 |
125 (fuse) |
|
Rated circuit breaker breaking current |
KA |
- |
50 (fuse) |
|
Rated short-time withstand current |
KA |
20 |
- |
|
Rated peak withstand current |
KA |
50 |
- |
|
Rated breaking and closing current |
KA |
50 |
- |
|
Rated cable charging breaking current |
A |
16 |
- |
|
Rated breaking current |
A |
- |
3150 |
|
Disconnecting no-load transformer |
KVA |
1250 |
|
|
Battery Life |
Second-rate |
10000 |
|
|
Partial Discharge Star |
PC |
≤5 |
|
Appearance and installation dimensions
