Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Electric Type |
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Description | ||||||||||
Electrical characteristics | |
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Rated voltage | kV | 12 | 17.5 | 24 | |
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Insulation voltage |
kV | 12 | 17.5 | 24 | |
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Power frequency withstand voltage (50/60 Hz, 1 min) |
kV | 28 | 38 | 50 | |
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Lightning impulse withstand voltage (BIL 1.2/50 µs) |
kV | 75 | 95 | 125 | |
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Rated frequency |
Hz | 50/60 | |
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Rated current |
A | 630 | |
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Short-time withstand current (3s) |
kA | 12.5 | 16 | 21 | 12.5 | 16 | 21 | 12.5 | 16 | 21 |
Performance of breaking part (IEC 62271-100) | ||||||||||
Breaking capacity | |
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- Short-circuit current |
kA | 12.5 | 16 | 21 | 12.5 | 16 | 21 | 12.5 | 16 | 21 |
- No-load transformers |
A | 6.3 | 6.3 | 6.3 | ||||||
- No-load lines |
A | 10 | 10 | 10 | |
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- No-load cables |
A | 16 | 16 | 16 | |
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- Capacitive currents |
A | 400 | 400 | 400 | |
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Making capacity |
kAp | 32.5 | 41.5 | 54.5 | 32.5 | 41.5 | 54.5 | 32.5 | 41.5 | 54.5 |
Operating sequence |
O - 0.3s - CO - 15s - CO | |||||||||
Opening time |
ms | 40 … 55 | |
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Arcing time |
ms | 10 …15 | |
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Total break-time |
ms | 50 … 70 | |
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Closing time |
ms | 40 … 55 | |
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Electrical life |
class | E2 | |
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Mechanical life |
class | M2 - 10,000 mechanical operations | |
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Capacitive current breaking class |
class | C2 | ||||||||
Line disconnector performance (IEC 62271-102) | |
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Electrical life | class | E0 | |
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Mechanical life |
class | M0 - 1,000 mechanical operations | ||||||||
Earthing switch performance (IEC 62271-102) | |
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Electrical life | class | E2 | |
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Mechanical life |
class | M0 - 1,000 mechanical operations | |
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Earthing switch making capacity |
kAp | 32.5 | 41.5 | 54.5 32.5 41.5 54.5 32.5 | 41.5 | 54.5 |
Other characteristics | ||
Center-distance between phases | mm | 230 |
Operating temperature |
°C | (*) -15 …+40 |
Maximum installation altitude |
masl | 3000 |
SF6 absolute pressure |
kPa | 142 |
Mass of SF6 |
g | 213 |
Internal volume of SF6 |
l | 25 |