- Tel: 086-577-61717596
- E-mail: info@chyf.com
Description:
It is mainly used for breaking and closing the load current, overload current and short circuit current in the power system. It is suitable for protection and control in power distribution systems of substations and industrial and mining enterprises. Accept OEM&ODM:YES Certificate: CE,Test reports Production time: 7~ 12 working days Warranty period: 12 Months Delivery time: 15 days Payment term: 50% deposit before production+50% balance before shipment(by T/T,D/P,Paypal)
| No. | ltem | Unit | Data | ||
| 1 | Rated voltage | KV | 40.5 | ||
| 2 | Rated insulation leve | 1 min power frequency withstand voltage | Dry test | 95 | |
| Wet test | 80 | ||||
| Lightning impulse withstand voltage(peak | 185 | ||||
| 3 | Rated current | A | 1250;1600;2000 | ||
| 4 | Rated short circuit breaking current | KA | 20;25;31.5 | ||
| 5 | Rated operating sequence | O-0.3s-CO-180s-CO | |||
| 6 | Rated short-circuit breaking current times | Times | 12 | ||
| 7 | Rated short circuit closing current (peak) | KA | 50;63;80 | ||
| 8 | Rated peak withstand current | KA | |||
| 9 | Rated short-time withstand current | KA | 20;25;31.5 | ||
| 10 | Rated short circuit duration | S | 4 | ||
| 11 | Contact opening distance | mm | 22±2 | ||
| 12 | Contact overtravel | mm | 4±1 | ||
| 13 | Average opening speed | m/s | 1.5±0.2 | ||
| 14 | Average closing speed | m/s | 0.7±0.2 | ||
| 15 | Contact closing bounce time | ms | ≤2 | ||
| 16 | Three-phase closing lopening)gate synchronous time difference | ms | ≤2 | ||
| 17 | Closing time | Ms | ≤150 | ||
| 18 | Opening time | Ms | ≤60 | ||
| 19 | Mechanical life | Times | 10000 | ||
| 20 | Rated voltage of the auxiliary circuit at rated operating voltage | V | DC110/220、AC110/220 | ||
| 21 | DC resistance per phase circuit (without transformer) | μ Ω | ≤100 | ||
| 22 | Weight | kg | 800 | ||
