Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Manual Type |
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Product Overview
The TAILI TFW series Outdoor SF6 Gas Load Break Switch is designed for overhead distribution lines and is suitable for manual or motorized operation. It is SF6 gas-insulated for reliable arc-quenching and stable performance.
Its pole-mounted design allows fast and low-cost installation, and the switch can be remotely monitored and controlled via optional wired or wireless communication modules. The control cabinet is made of stainless steel and rated IP67, ensuring durability under all weather conditions.
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Key Features
1.rugged switch
2.drivepipe with large diversity
3.quick operation
4.inflation valve
5.high pressure relief alarm
6.HD gas-pressure meter
7.Manual locking device
8.Low pressure warning device
9.Visible open/close status
10.Cintact position indicator
11.Manual operation on ground
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Standard service condition
It shall be principal that this SF6 Gas Load Break Switch shall be used in the following service condition:
-Ambient temperature
-Short period peakvalue:50ºC
-Average over a period of 24hours:40ºC
-Lower limit over 24 hours:-25ºC
-Relative humidity:100%
-Maximum altitude:1,000meter
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Standard Specification
Item
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TFW-12
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TFW-24
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TFW-38
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Rated Voltage (kV)
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12
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24
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38
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Applicable Voltage Range (kV)
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6/12/17.5
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25.8
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36
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Rated Frequency (Hz)
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50/60
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50/60
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50/60
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Lightning Impulse (kV)
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110
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125
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200
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Power Frequency Withstand (Dry/Wet,kV)
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50/40
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75/60
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110/95
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Rated Current (A)
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400/630
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400/630
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400/630
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Peak Withstand Current (kA)
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50
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50
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50
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Short-Time Making Current (kA)
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20
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20
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20
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Short-Time Withstand Current (kA/s)
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20/4
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20/4
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20/4
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Cable Charging Breaking (A)
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10
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16
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20
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Line Charging Breaking (A)
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1 | 1.5 | 2 |
Closed-loop Breaking Current (A)
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400/630
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400/630
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400/630
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Rated Breaking Times
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>=400
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>=400
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>=400
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Rated Working Pressure (MPa)
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0.05
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0.05
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0.05
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Circuit Resistance (uohms)
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<=80
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<=80
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<=80
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Gas Leakage Rate (peryear)
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<=1%
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<=1%
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<=1%
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