JN15-12 / 31.5 series indoor AC high voltage grounding switch
1. Product Description
JN15-12 / 31.5 series indoor AC high voltage grounding switch, is the introduction of foreign technology and products developed an internationally advanced level, its performance in line with the requirements of IEC, with advanced design, reliable technical performance, simple structure, easy installation It can be used with various types of high voltage switchgear package, while also as a high-voltage electrical equipment overhaul ground.
2. Type meaning
J N 15 - 12 / 31.5 - 0
J: AC high voltage grounding switch
N: Indoor
15: Reference Design
12: Rated voltage (KV)
31.5: 4s rated short time withstand current (KA)
0 : center distance between the poles
3. Grounding switch Technical Data
| Model Specifications | JN15-12 / 31.5 - 210 |
JN15-12 / 31.5 - 230 |
JN15-12 / 31.5 - 250 |
JN15-12 / 31.5 - 275 |
| Rated voltage(KV) | 12 | 12 | 12 | 12 |
| 44s thermal current(KA) | 31.5 | 31.5 | 31.5 | 31.5 |
| Dynamic current (peak)(KA) | 80 | 80 | 80 | 80 |
| Closing current (peak)(KA) | 80 | 80 | 80 | 80 |
| Rated insulation level(KV) | 42/75 | 42/75 | 42/75 | 42/75 |
| center distance between poles mm | 210 | 230 | 250 | 275 |
| Closing speed m/s | >= 6 | >= 6 | >= 6 | >= 6 |
| The main circuit contact resistance(μΩ) | < 120 | < 120 | < 120 | < 120 |
4. Shape and size of installation
| Type | L | E | C |
| JN15-12/31.5-210 | 655 | 210 | 516 |
| JN15-12/31.5-230 | 710 | 230 | 555 |
| JN15-12/31.5-250 | 760 | 250 | 596 |
| JN15-12/31.5-275 | 810 | 275 | 646 |
1. Brace
2. Bracket Insulator
3. static contact
4. manipulate Edition
5. Turn the spring
6. Spindle
7. confluence brass
8. soft connection
9. Adjust positioning ring
10. The disc spring
11. Levers
12. The movable contact
6. Ordering Information
The grounding switch wide application, please include the model and user specifications, crank arm mounting position (left or right) is charged with the display device.
