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Overview:
JN15-12 grounding switch is specially designed for 3-12KV indoor power system with three-phase AC 50Hz configuration. The switch is seamlessly compatible with various high voltage switchgear setups. It meets GB1985-2004 and IEC129 standard.
Model: JN15-12
Structure:
Bracket, grounding knife assembly, static contact, sensor, shaft, elbow, pressure spring, conductive sleeve, and soft connection.
Technical data:
| ITEM | UNIT | DATA |
| Rated voltage | KV | 12 |
| Rated short time withstand current | KA | 31.5 |
| Rated short circuit withstand time | S | 4 |
| Rated short circuit making current | KA | 80 |
| Rated peak withstand current | KA | 80 |
| 1min power frequency withstand voltage | KV | 42 |
| Lightning impulse withstand voltage | KV | 75 |
| Mechanical life | TIMES | 2000 |
Dimension:
| Dimension |
E |
F |
G |
H |
D |
C |
| JN15-12/31.5-165 |
165 |
75 |
160 |
565 |
426 |
|
| JN15-12/31.5-180 |
180 |
75 |
160 |
595 |
456 |
|
| JN15-12/31.5-200 |
200 |
75 |
160 |
635 |
496 |
|
| JN15-12/31.5-210 |
210 |
75 |
160 |
655 |
516 |
|
| JN15-12/31.5-220 |
220 |
75 |
160 |
675 |
536 |
|
| JN15-12/31.5-230 |
230 |
75 |
160 |
695 |
556 |
96 |
| JN15-12/31.5-250 |
250 |
75 |
160 |
735 |
596 |
96 |
| JN15-12/31.5-275 |
275 |
75 |
185 |
810 |
646 |
96 |
UNIT:mm
Environment condition:
① Altitude not more than 1000m above sea level.
② Ambient temperature not higher than +40°C and not lower than -10°C.
③ Relative humidity not greater than 95% on a daily average and not greater than 90% on a monthly average.
④ The seismic intensity does not exceed 8 degrees.
