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VZF-12R removable vacuum load switch fuse combination electric appliance

Intro: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 a …
VZF-12R removable vacuum load switch fuse combination electric appliance
Product 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

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Environment Condition

  1. Ambient temperature: maximum temperature +40℃ , minimum temperature -25℃ .

  2. Environmental humidity: Daily average relative humidity: ≤ 95%, monthly average relative humidity: ≤ 90%.

  3. Daily average saturated vapor pressure: ≤ 2.2x10-3Mpa.

  4. Monthly average saturated vapor pressure: ≤ 1.8x10-3Mpa.

  5. Altitude: not higher than 1500m

  6. Earthquake intensity: no more than 8 degrees.

  7. Applicable places: No dripping water, no still and explosion hazard, no chemical corrosive gas, no severe vibration:

  8. If the product usage environment exceeds the above regulations, users can negotiate with our company to determine.

Technical Data

Serial numberprojectUnitParameter
VZF-12/T630-20 vacuum load switchVacuum load switch - fuse combined electric appliance VZF-12/T125-50
01Rated voltageKV1212
02Power frequency withstand voltage (interphase and ground)KV4242
03Lightning strike (interphase, ground)KV7575
04Rated currentA630125(Fuse)
05Rated open circuit withstand currentkA-50(Fuse)
06Rated short-time withstand currentkA20-
07Rated peak withstand currentkA50-
08Rated breaking and closing currentkA50-
09Rated cable charging breaking currentA16-
10Rated breaking currentA-3150
11Breaking no-load transformerKVA1250 
12Battery LifeTimes10000
13Partial discharge starPC≤5

Outline Dimension

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