
Ambient temperature:-10°C-+40°C;
Altitude: ≤1000m;
Relative humidity: Daily average ≤ 95%,
Monthly average ≤ 90%
Earthquake intensity:≤ 8 degree;
Dirtiness degree: ll.
| No. | Item | Unit | Data | |
| 1 | Rated voltage | KV | 12 | |
| 2 | Rated short time withstand current | KA | 50 | |
| 3 | Rated short circuit withstand time | S | 4 | |
| 4 | Rated short circuit making current | KA | 100 | |
| 5 | Rated peak withstand current | KA | 80 | |
| 6 | Rated insulation level | 1min power frequency withstand voltage | KV | 42 | 
| Lightning Impulse withstand voltage | 75 | |||
| 7 | Mechanical life | TIMES | 2000 | |


| Specification | E | F | G | H | D | 
| JN17-12/50-210 | 210 | 50 | 185 | 655 | 516 | 
| JN17-12/50-220 | 220 | 50 | 185 | 675 | 536 | 
| JN17-12/50-230 | 230 | 50 | 185 | 695 | 556 | 
| JN17-12/50-250 | 250 | 50 | 185 | 735 | 596 | 
| JN17-12/50-275 | 275 | 50 | 210 | 810 | 646 | 
Please indicate the product specifications and the central distance between poles.
Please confirm whether the electrical display model number is required.
Note the soft link length when ordering (normal length =250mm).
If you have any special requests, please consult us.
Phone: +8613736779975
E-mail: sales@vcbbreaker.com
Address: 66 Punan Road, Yueqing Economic Development Zone, Zhejiang, China
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