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Overview:
JN15-24 grounding switch applies to power system of 20-24kV and three-phase AC 50Hz. With its compact design and robust construction, it offers optimum safety during maintenance and repairs. It has a user-friendly interface that allows for easy operation and ensures efficient grounding procedures.It meets GB1985-2004 and IEC129 standard.
Model: JN15-24/31.5
Structure:
JN15-24 grounding switch is composed of a shell, a terminal block, a lever mechanism, a contact, an insulator and an indicator light.
Technical data:
| ITEM | UNIT | DATA |
| Rated voltage | KV | 24 |
| 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 | 65 |
| Lightning impulse withstand voltage | KV | 95 |
| Mechanical life | TIMES | 2000 |
Dimension:
UNIT:mm
| Dimension |
E |
F |
G |
H |
D |
C |
| JN15-24/31.5-210 |
210 |
75 |
160 |
655 |
516 |
|
| JN15-24/31.5-220 |
220 |
75 |
160 |
735 |
536 |
|
| JN15-24/31.5-230 |
230 |
75 |
160 |
810 |
556 |
96 |
| JN15-24/31.5-250 |
250 |
75 |
160 |
810 |
596 |
96 |
| JN15-24/31.5-275 |
275 |
75 |
185 |
810 |
646 |
96 |
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.
