– Dongyang ECC Corp. Exclusive Distributor
– Korean Best Quality
– Voltage Level: 13.2~35kV
Pole Mounted SF6 Gas Load Break Switch
Dong Yang’s pole mounted SF6 Gas insulated load break switch was designed to achieve optimum performance, reliability, long life and economical benefits and offers the following:
- SF6 insulation and interruption with puffer arc quenching.
- Stainless steel sealed enclosure for long life permanently.
- Simple and strong toggle mechanism.
- Puffer principle designed for minimum 200 load break and 5,000 manual operation.
- Switch power supply for 24V DC motor operation to sustain operation in the event of loss of AC external power (AC220V).
- Easy installation due to reduced dimension.
- Safety features with Low gas pressure interlocking device, over pressure releasing device and safety locking device.
- High electrical ratings.
- No maintenance.
- Options available with the Remote Terminal Unit (RTU).
- Built-in current transformers measures current with ±3% accuracy at rated input current.
| Type | Characteristic | Type | Characteristic | |
|---|---|---|---|---|
| Rated Voltage (kV) | 12/25.8 | Rated Impulse Withstand Voltage (kV, 1.2 x 50 μs) | 150 | |
| Rated current (A) | 400,630 | Control Circuit | Control Power (V) | Ac 1 θ 220V |
| Rated frequency (Hz) | 60 | DC 24V | ||
| Rated short-time current (kA) | 12.5(rms) | |||
| Rated short circuit making current (kA) | 32.5(peak) | Rated power frequency withstand voltage | 2kV, 1min | |
| short circuit making, active load interrupting(sec) | ≤1 | Impulse wave withstand voltage | 6kV, 3kA | |
| Rated power frequency withstand voltage(kV) | dry :60(1 min) | Weight(Kg) | main body Control Cabinet | 150 40 |
| Number of no-load switching – 10,000times | ||||
