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10KV AIternative Current Vacuum Load Switch Fuse Combined Apparatus

Ningbo Tianan (Group) Co.,Ltd.

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Address: 3/F, Building B7 , 999 Yangfan Road,High-tech Zone, Ningbo, China 315040

Contact name:Lian Huanhuan

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10KV AIternative Current Vacuum Load Switch Fuse Combined Apparatus

Country/Region china
City & Province ningbo zhejiang
Categories Solar Chargers
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Product Details

10KV AIternative Current Vacuum Load Switch Fuse Combined Apparatus

NINGBO TIANAN (GROUP) CO., LTD.
 

General

FN5-12FN5-12RDFN5-12R Series lndoor AIternative Current High Voltage Load switch is sultable in 50Hz L0kV alternative current power grid for breaking load current and closing short circuit current. Load switch with fuse Can close and open short circuit current for protection. It is mainly used in downtown power distribution station and industrial electric equipment of three phase ring main unit electricity circle or terminal power supply, for breaking and closing short circuit current.
Service condition
1. The altitude does not exceed 1000m.
2. The ambient air temperature: Highest:+40oC, the lowest:-10oC
3. The relatire Humidity of air not bigger 90% (around the 25oC envirenment)
4. The working situation have no conductivity dust.
5. The working situation have no corrosive gas of affect insulation and destroy metal.
6. The working situation without violent vibration and striking.
7. The working situation have no explosive danger and fire.
Technical parameter

S/NNameUnitValue
1Rated voltagekV10
2Max working voltagekV12
3Rated frequencyHz50
4Rated currentA400630
5Rated short-time withstand current (Thermal stability current)kA/s12.5/420/2
6Rated peak withstand current (Dynamic current)kA31.550
7Rated closed-loop breaking currentA400630
8Rated active load breaking currentA400630
95% rated active load breaking currentA2031.5
10Rated cable charging breaking currentA10
11Rated short-circuit making current 1250kVA no-load current of transformer
12Load current breaking timeskA31.550
13Rated no-load transformer breaking currentLoad/Times

100%/20

60%/35

30%/75

5%/80

141min power frequency withstand voltage (r.m.s) To earth, between phases / to isolating distancekV42/48
15

Power withstand voltage

Isolating distance

kV53
16Lightning impulse withstand voltage (peak)To earth, between phases/isolating distancekV75/85
17Opening-closing operation torque (force)N·m90(180)100(200)

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