Overhead Line
Load Break Switch (Air-Indoor)
Features
* New model
* Passed 100A FUSE attachment test
* Compact structure that is smallest in the industry
- High Technology
Ease of use as it is light and small
Air Puffer-type interruption structure is applied in air insulation
Maintenance and repair easy
Can be used in a wide range of temperatures: -20℃~40℃
Fuse attachment made easy - Safety
Can operate safely in live wires
ON-OFF status can be viewed by naked eye.
Perfect fuse Striker structure - High Durability And Easy Operation
Arc interruption ability maximized by compressed air
Can be installed horizontally and vertically
Ease of control through cable-method
Remote-control available
LBS opening by Striker when fuse breaks
Accessory
- Operation Cable
Standard length is 2m. Also available in other lengths such as 1m, 1.2m, 1.5m, 1.8m, 3m, 4m, 5m, etc.
Manual on operation using cable is turning it 25 times to the right. For off, turn it 5 ties to the right.
* Specification of this product may change without prior warning in order to improve its quality.
Ratings
| Type | General type | With fuse holder | |
|---|---|---|---|
| JWLBS | JWLBS-100 | ||
| Rated voltage(kV) | 24 | ||
| Rated current(A) | 630 | 630(Switch) / 100(Fuse) | |
| Rated power frequency(Hz) | 60 | ||
| Mainly active load breaking current(A) | 630 | ||
| Cable-charging current(A) | 16 | ||
| Closed loop breaking current(A) | 630 | ||
| Line charging breaking current(A) | 1.5 | ||
| Rated short-time withstand current(kA/1sec) | 20 | ||
| Short circuit making current(kAp) | 52 | ||
| Power frequency withstand voltage(60Hz 1min) | To earth and between phases(kV/1min) | 50 | |
| Across isolating distance(kV/1min) | |||
| 60 | |||
| Impulse withstand voltage(1.2×50㎲) | To earth and between phases(kV) | 125 | |
| Across isolating distance(kV) | 145 | ||
| Rated transfer current(A) | 900 | ||
| Rated operating voltage(Vdc) | DC 110V | ||
| Distance(mm) | 275 | ||
| Weight(kg) | 65 | 80 | |
| Applied standard | IEC 60265-1 (1998. 01) | IEC 62271-105 | |
Efficiency/Technical Information
Rating Table of 24kV High Current Limiting Fuse
| Type | Rated voltage(kV) | Rated Current | Rated breaking current(kA) | Minimum step current(kA) | Rated power loss(W) | Resistance at 20℃(mΩ) | Dimensions(mm) | Weight(kg) | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50% | 100% | H | L | ØD | |||||||
| IB-D0 | 24kV | 2 | 31.5 | 16 | 4 | 16 | 3290 | 442 | 510 | 53 | 2.3 |
| IB-D1 | 6.3 | 50 | 49 | 40 | 20 | 500 | |||||
| 10 | 31 | 9.7 | 42 | 315 | |||||||
| 16 | 55 | 11 | 57 | 165 | |||||||
| 20 | 81 | 13 | 60 | 110 | |||||||
| 25 | 121.5 | 11 | 64 | 73 | |||||||
| 31.5 | 162 | 15 | 77 | 55 | |||||||
| 40 | 200 | 20 | 115 | 44 | |||||||
| IB-D2 | 50 | 262.5 | 21 | 112 | 28 | 58 | 3 | ||||
| 63 | 350 | 24 | 140 | 22 | 77 | 4.8 | |||||
| IB-D3 | 80 | 456 | 38 | 225 | 18.3 | 77 | 4.8 | ||||
| 100 | 550 | 45 | 260 | 13.2 | |||||||
| IB-D4 | 125 | 25 | 750 | 100 | 595 | 11.5 | 86 | 5.8 | |||
| 160 | 950 | 69 | 310 | 9 | |||||||
| 200 | 1040 | 79 | 576 | 8 | |||||||
Applied Standard
Joongwon LBS satisfies the following international standards.
– IEC 60265-1 High voltage switches
– IEC 60282-1 High voltage fuses
– IEC 60129 Alternating current disconnectors and earthing switches
– IEC 60694 Common specification for HV switchgear and controlgear standards
– DIN 4362 High voltage fuses : Rated voltage 3.6kV to 36kV : Fuse-link
Service Condition
Surrounding temperature: Maximum 40/Minimum -20℃
Altitude: Less than 1,000m
Installation: Indoor
Installation method: vertical or horizontal