Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Electric Type |
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Technical specification | ||||
Rated voltage | KV | 12 | ||
Power frequency withstand voltage 1 min | KV | 42/48 | ||
Impulse withstand voltage 1.2/50μs: | KV | 75/85 | ||
Secondary circle power frequency withstand voltage 1min | V | 2000 | ||
Rated power frequency | Hz | 50 | ||
Rated current | A | 630/1250 | ||
Rated short circle breaking capacity | KA | 20 | 25 | 31.5 |
Rated peak withstand current | KA | 50 | 63 | 80 |
Rated short circle making capacity | KA | 50 | 63 | 80 |
Rated short time current 4s | KA | 20 | 25 | 31.5 |
Rated short time current endurance time | S | 4 |