VZF-12R Removable Vacuum Load Switch Fuse Combination Electric Appliance
The VZF-12R built-in sealed vacuum load switch-fuse combination appliance (hereinafter referred to as vacuum switch) is the latest generation of vacuum switch equipment developed according to special design concepts and combined with market demand.
Description
Description
The VZF-12R built-in sealed vacuum load switch-fuse combination appliance (hereinafter referred to as vacuum switch) is the latest generation of vacuum switch equipment developed according to special design concepts and combined with market demand. It is widely used in indoor armored air insulated switchgear, and it conforms to GB3804-2004 GB16926-1997 and other standards.
The VZF-12R is equipped with a fixed-seal vacuum load switch-fuse combination. Under normal use conditions, it can ensure safe and reliable operation in power grids with corresponding voltage levels as long as it is within the technical parameters of the vacuum switch.
Environment Condition
Environment Condition
Ambient temperature: maximum temperature +40℃ , minimum temperature -25℃ .
Environmental humidity: Daily average relative humidity: ≤ 95%, monthly average relative humidity: ≤ 90%.
Daily average saturated vapor pressure: ≤ 2.2×10-3Mpa.
Monthly average saturated vapor pressure: ≤ 1.8×10-3Mpa.
Altitude: not higher than 1500m
Earthquake intensity: no more than 8 degrees.
Applicable places: No dripping water, no still and explosion hazard, no chemical corrosive gas, no severe vibration:
If the product usage environment exceeds the above regulations, users can negotiate with our company to determine.
Technical Data
| Serial number | project | Unit | Parameter | |||
| VZF-12/T630-20 vacuum load switch | Vacuum load switch – fuse combined electric appliance VZF-12/T125-50 | |||||
| 01 | Rated voltage | KV | 12 | 12 | ||
| 02 | Power frequency withstand voltage (interphase and ground) | KV | 42 | 42 | ||
| 03 | Lightning strike (interphase, ground) | KV | 75 | 75 | ||
| 04 | Rated current | A | 630 | 125(Fuse) | ||
| 05 | Rated open circuit withstand current | kA | – | 50(Fuse) | ||
| 06 | Rated short-time withstand current | kA | 20 | – | ||
| 07 | Rated peak withstand current | kA | 50 | – | ||
| 08 | Rated breaking and closing current | kA | 50 | – | ||
| 09 | Rated cable charging breaking current | A | 16 | – | ||
| 10 | Rated breaking current | A | – | 3150 | ||
| 11 | Breaking no-load transformer | KVA | 1250 | |||
| 12 | Battery Life | Times | 10000 | |||
| 13 | Partial discharge star | PC | ≤5 | |||
Outline Dimension
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