Product definition
Working Condition
- Ambient temperature:-10°C-+40°C;
- Altitude: ≤1000m;
- Relative humidity: Daily average ≤ 95%,
- Monthly average ≤ 90%
- Earthquake intensity:≤ 8 degree;
- Dirtiness degree: ll
Technical Parameters
| No. | Item | Unit | Data | |
| 1 | Rated voltage | KV | 12 | |
| 2 | Rated short time withstand current | KA | 31.5 | |
| 3 | Rated short circuit withstand time | S | 4 | |
| 4 | Rated short circuit making current | KA | 80 | |
| 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 | |
Installation drawing and hole location diagram
| Specification | E | F | G | H | D |
| JN17-12/40-210 | 210 | 50 | 185 | 655 | 516 |
| JN17-12/40-220 | 220 | 50 | 185 | 675 | 536 |
| JN17-12/40-230 | 230 | 50 | 185 | 695 | 556 |
| JN17-12/40-250 | 250 | 50 | 185 | 735 | 596 |
| JN17-12/40-275 | 275 | 50 | 210 | 810 | 646 |
Order notes:
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.
