| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual Type |
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| Circuit-breaker on Column | OVB-VBF 24 | OVB-VBF 36 | OVB-VBF 40.5 | |
| Standard | IEC 62271-100 | |||
| Rated voltage. | (kV) | 24 | 36 | 40.5 |
| Rated insulation voltage | (kV) | 24 | 36 | 40.5 |
| Power frequency withstand | (kV/min) | 70 (dry) / 70 (wet) | 95 (dry) / 95 (wet) | 95(dry)/95(wet) |
| Impulse withstand voltage | (kV peak) | 170 | 170 | 195 |
| Rated frequency | (Hz) | 50-60 | 50-60 | 50-60 |
| Rated normal current | (Amps) | 1250 2000 2500 | 1250 2000 2500 | 2000 2500 |
| Rated symmetrical breaking capacity | (kA r.m.s) | 25 25 31.5 | 25 25 31.5 | 31.5 31.5 |
| Rated short time withstand current (3s) | (kA r.m.s) | 25 25 31.5 | 25 25 31.5 | 31.5 31.5 |
| Asymmetrical breaking capacity | (%of d.c Component at t=45ms) |
35 | 35 | 35 |
| Rated making capacity. | (kA peak) | 63 63 80 | 63 63 80 | 80 80 |
| Operating sequence | 0-0.3sec-CO-3Min-CO &CO-15sec-CO | |||
| Opening time | (ms) | 45±10 | 45±10 | 45±10 |
| Capacitor current switching capacity | (Amps) | 400 | 400 | |
| Single bank -C2 class | - | - | 750 | |
| Back to back-C2 class | ||||
| Arcing time.. | (ms) | 5-15 | 5-15 | 5-15 |
| Total breaking time | (ms) | 50-60 | 50-60 | 50-60 |
| Closing time | (ms) | 75±10 | 75±10 | 75±10 |
| Over all dimensions | On Frame(HxLxP)mm | (3090-3840)×900x686 | ||
| Weight | (kg) | 850/900 |
850/900 | 900 |
| N2 gas absolute pressure | (kPa)for Anticondensation |
150 | 150 | 150 |
| Operating temperature | (ºC) |
…-25.....+40… | …-25.....+40… | -25...+ |
| Tropicalization | EC:60068-2-30,721-2-1.. | |||
| Electromagnetic compatibility | EC 62271-1,61000-6-2, 61000-6-4 |
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| Solar radiation | (W/m2) | 1000 | 1000 | 1000 |
| Presence of pollution | IEC 60815-Table 1 | Level III |
Level III |
Level III |
| Creepage distance | (mm/kv) | |||
| Ice coating | (mm) | 10 | ||
| Wind speed | (m/s) | 34 | ||
| Earth quake resistance | (g) | 0.6 | ||
| Surface force on the terminal |
Logitudinalx Transversal xVertical(N) |
750×500×750 |
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