Products and Services
Working conditions:
1. Normal conditions:
．Ambient temperature: +40℃ ~ -35℃
．Maximum average humidity: 24 hours measurement value ≤ 95%, 1 month measurement value ≤ 90%
．Altitude: ≤ 2500m (standard gas-filled pressure)
．Earthquake intensity: ≤ 8°
．SF6 gas pressure: 1.4bar (absolute pressure) at 20℃
．Annual leak rate: 2.5‰/year
．Water immersion test: 0.3bar pressure in water, 24kV 24hours
．Arcing test: 20kA ls with arc extinguisher, 16kA ls without arc extinguisher
．IP code: SF6 gas compartment, IP 67; fuse tube, IP 67; switchgear shell, IP3X
．Busbar: busbar of switchgear, 400 mm2Cu; earthing busbar of switchgear: 150mm2Cu
．Thickness of stainless steel shell of gas compartment: 3.0 mm
2. Special conditions:
．In terms of special operating conditions, the manufacturer and the final user must reach agreements with each other.
．If the altitude is above 1500m, please specially state this for the manufacturer to adjust the pressure.
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Items
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Units
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Module C
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Module F
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Module V
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Module CB
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Load Switch
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Combination Appliance
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Vacuum Switch
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Disconnecting /Earthing Switch
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Vacuum Circuit Breaker
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Disconnecting /Earthing Switch
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Rated Voltage
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kV
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12/24
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12/24
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12/24
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12/24
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12/24
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12/24
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Power Frequency Withstand Voltage
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kV
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42/50
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42/50
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42/50
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42/50
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42/50
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42/50
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Lightning Impulse Withstand Voltage
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kV
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75/125
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75/125
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75/125
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75/125
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75/125
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75/125
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Rated Current
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A
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630/630
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Note 1
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630/630
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1250/ 800
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Breaking Capacity
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Rated Transfer Current
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A
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1700
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Closed Loop Breaking Current
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A
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630/630
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Cable Charging Breaking Current
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A
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135/135
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5% Rated Active Load Breaking Current
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A
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31.5/-
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Earthing Fault Breaking Current
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A
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200/150
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Cable Charging Breaking Current if Earthing Fault
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A
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115/87
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Short Circuit Breaking Current
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kA
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Note 2
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20/16
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25/20
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Making Capacity
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kA
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63/52.5
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Note 2
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50/40
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50/40
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63/50
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63/50
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Short Time Withstand Current (2s)
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kA
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25/-
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Short Time Withstand Current (3s)
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kA
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-/21
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20/16
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20/16
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25/20
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25/20
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Rated Peak Withstand Current
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kA
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50/-
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50/-
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Mechanical Life
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Number of Times
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5000
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3000
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5000
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2000
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10000
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5000
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Address: No.1, West Xuefu Road, Longling Industrial Park, Gaoxin District, Yiyang City, Hunan Province, 413000, China
Contact No.: 0737-2222100
QQ: 3013508896
E-mail: huaxiangbyq@163.com
