- Tel: 086-577-61717596
- E-mail: info@chyf.com
Description:
The circuit breaker 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 substation and industrial and mining enterprise power distribution system, and the place where rural power grid needs frequent operation. 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 | Item | Unit | Data | ||
| 1 | Rated voltage | KV | 12 | ||
| 2 | Rated current | A | 630 | ||
| 3 | Rated frequency | Hz | 50 | ||
| 4 | Rated insulation level | 1 min power frequency withstand voltage (to earth, phase to phase,between open contacts) | Dry test | KV | 42/48(Between open contacts) |
| Wet test | 34 | ||||
| Secondary circuit to earth | 2 | ||||
| Lightning impulse withstand voltage (peak) | 75/85(Between open contacts) | ||||
| 5 | Rated short circuit breaking current | KA | 20 | ||
| 6 | Rated short-circuit closing current (peak) | KA | 50 | ||
| 7 | Rated short-circuit withstand current | KA | 20 | ||
| 8 | Rated peak withstand current | KA | 50 | ||
| 9 | Rated short-circuit breaking current breaking times | Times | 30 | ||
| 10 | Rated short circuit duration | S | 4 | ||
| 11 | Rated operating voltage and auxiliary voltage | V | DC220 or AC220 | ||
| 12 | Rated operating sequence | O-0.3s-CO-180s-CO | |||
| 13 | Overcurrent release rated current | A | 5 | ||
| 14 | Mechanical life | Times | 10000 | ||
