| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Electric Type |
|
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| MAIN TECHNICA DATA | |||
Rated voltage |
12KV | (1min) Short-time(1min) power-frequency withstand voltage |
42KV |
Rated current |
1600/1250A | () Lighting impulse withstand voltage(peak) |
75KV |
Rated frequency |
50HZ | Circuit resistance at rated contact force |
≤15μΩ |
Rated short-circuit breaking current |
25KA | Mechanical life |
20,000 |
Operations of short-circuit breaking current interruption |
50 | Contact closing force due to bellows and atmosphere |
100±30N |
Rated short-circuit making current |
63KA | Counterforce at rated contact stroke |
200±30N |
Rated peak withstand current |
63KA | Contact limit erosion |
3mm |
| (4) Rated short-time withstand current(4s) |
25KA | Shelf life |
20 |
Rated single capacitor bank breaking current |
630A | / Weight/mass of moving parts |
3Kg/1.1Kg |
Rated back-to-back capacitor breaking current |
400A | Rated operating sequence |
O-0.3s-CO-180s-CO |
| MECHANICAL DATA OF CIRCUIT-BREAKING EQUIPPED WITH THE INTERRUPTERS | |||
Rated contact stroke |
9±1mm | Rated operation pressure of contact |
2400±200N |
Contact connection stroke |
4±1mm | Bounce duration of contact closing |
≤2ms |
Average opening speed |
1.1±0.2m/s | Out of simultaneity of contact closing and opening |
≤1ms |
Average closing speed |
0.6±0.2m/s | Max. overtravel |
≤2mm |
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