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Overview:
EK6-12/31.5 series indoor earthing switch is a new design which is improved on ES1 type. It is suitable for electric power system with 3-12KV, 3 phase and AC50(60)Hz.It meets GB1985-2004 and IEC129 standard.
Model: EK6-12/31.5
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:
UNIT:MM
| Dimension |
E |
F |
G |
H |
D |
C |
| EK6-12/31.5-165 |
165 |
75 |
160 |
565 |
426 |
|
| EK6-12/31.5-180 |
180 |
75 |
160 |
595 |
456 |
|
| EK6-12/31.5-200 |
200 |
75 |
160 |
635 |
496 |
|
| EK6-12/31.5-210 |
210 |
75 |
160 |
655 |
516 |
|
| EK6-12/31.5-220 |
220 |
75 |
160 |
675 |
536 |
|
| EK6-12/31.5-230 |
230 |
75 |
160 |
695 |
556 |
96 |
| EK6-12/31.5-250 |
250 |
75 |
160 |
735 |
596 |
96 |
| EK6-12/31.5-275 |
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.
