Description:
ZN63(VSI)-12 series indoor high-voltage solid vacuum circuit breaker, introduces innovative solid insulation and epoxy sealing tech. It integrates the vacuum interrupter, main conductive loop, and insulation support into a solid-sealed pole, resolving environmental tolerance issues. The breakthrough patented ventilation tech tackles heat dissipation concerns. Moreover, the ZN63(VS1)-12 series is China's first maintenance-free breaker, featuring a high-life vacuum interrupter, epoxy casting, and reliable permanent magnet operation. It uses photoelectric proximity switches and electronic power supply for hassle-free operation. Accept OEM&ODM:YES Certificate: CE,Test reports Production time: 7~ 12 working days Warranty period: 12 Months
| No. | ltem | Unit | Data | ||||
| 1 | Rated voltage | KV | 12 | ||||
| 2 | Rated frequency | Hz | 50 | ||||
| 3 | Rated insulation level | min power frequency withstand voltage | KA | To earth/phase to phase 42/48 | |||
| Lightning impulse withstand voltage (peak | To earth/phase to phase 75/85 | ||||||
| 4 | Rated short circuit breaking curren | KA | 20 | 25 | 31.5 | 40 | |
| 5 | Rated current | A | 630 | 630 | 1250 | 1250 | |
| 1250 | 1250 | 1600 | 1600 | ||||
| 6 | Rated short-circuit withstand current(RMS) | KA | 20 | 25 | 31.5 | 40 | |
| 7 | Rated peak withstand current[peak] | 50 | 63 | 80 | 100 | ||
| 8 | Rated short circuit closing currentlpeak | 50 | 63 | 80 | 100 | ||
| 9 | Rated short circuit current duration | S | 4 | ||||
| 10 | Mechanical life | Times | 20000 | ||||
| 11 | Secondary circuit operating frequency withstand voltage (1 min) | V | 2000 | ||||
| 12 | Raled operaling sequence | O-t-CO-tl-CO | |||||
