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 Model Number |
Pole LBS |
Overview
SF6 gas Insulated Load Break Switch (LBS) for overhead lines operates at a voltage up to 25.8kV. It meets the demand for oil-lessand maintenance free operation with SF6 gas, the related parts and devices installed inside its hermetically sealed stainless steeltanks.The pole-mounted LBS can be manually operated or motorized for fault isolation, remote control and automation to suit your powerline requirements. The pole-mounted LBS has been fully certified in accordance with IEC 60694(1996), IEC 60265(1998) to meetand exceed customer's requirement.
General Specification
Description |
10~15 kV class |
20~27 kV class |
Operating Method |
Auto/Motorized/Manual |
Auto/Motorized/Manual |
Rating |
Voltage |
12/15 kV |
24/25.8 kV |
Current |
400/630 A |
400/630 A |
Frequency |
50/60 Hz |
50/60 Hz |
Short time Withstand Current (4 sec) |
20 kA |
12.5/16 kA |
Making Capacity (peak) |
50 kA |
32/50 kA |
Number of Making |
5 times |
5 times |
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Breaking Capacity |
Mainly Active Load Breaking |
400/630 A |
400/630 A |
Loop Current Breaking |
400/630 A |
400/630 A |
Transformer Magnetizing Current |
14/22 A |
14/22 A |
Cable Charging Current (rms. Sym) |
31.5 A |
25 A |
Line Charging Current |
2 A |
1.5 A |
Impulse Insulation
Level (1.2x50µs) |
Phase to Earth |
75 kV |
150 kV |
Across Interrupter |
85 kV |
150 kV |
Power Frequency Insulation Level |
Phase to Earth |
42 kV |
60 kV |
Across Interrupter |
49 kV |
60 kV |
Control Source Voltage |
AC 220/DC 24 V |
AC 220/DC 24 V |
Rated Gas pressure at 20°C |
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1.0 kgf/㎠G |
1.0 kgf/㎠G |
Endurance |
With Current (at rated current) |
400 times |
400 times |
Without Current |
5000 times |
5000 times |
Weight |
Switch Body without Mounting Frames |
110 kg (Auto-type) |
130 kg (Auto-type) |
Control Box |
57 kg |
Applied Standard |
IEC 60265-1, ANSI C37.71 |
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