Product Description
Product feature
1.JN15- 12 indoor AC high voltage earthing switch is Advanced design and steady performance.
2. Simple structures, installation and adjustment.
3. Fast breaking and making capability.
4. Handsome appearance and delicate manufacture craft.
5. Usable and scientific apparatus, be operated on both sides (right and left).
6.Usable and scientific,available operation on both two sides 2.Quick breaking and making capability 3.Rated voltage:12/31.5JN1512/31.5 indoor AC high voltage earthing switch is an advanced level product with hightech parameters performance improved on the basis of ES1 earthing switch.After comprehensive evaluation, it conforms to GB1985AC HV disconnect switchand earthing switch and IEC129,applies to power system of 3-12kV and three-phase AC 50(60)Hz.
It owns short circuit making capacity to protect other electric equipment not being damaged.Can be usedwith various high voltage switchgear,also play a protective role in the high-voltage electrical equipment overhaul.
Ambient condition: Altitude: ≤1000m;
Ambient temperature: -25°C~+40°C;
Earthquake intensity: ≤8 degree;
Relative humidity: daily average ≤ 95%, monthly average ≤ 90% .
Pollution degree: II.
Product Parameters
The number series |
Projuct |
unit |
Date |
1 |
Rated voltage |
KV |
12 |
40.5 |
2 |
Rated short-time withstand current |
KA |
31.5,40 |
31.5 |
3 |
Rated short circuit closing current |
S |
4 |
4 |
4 |
Interpolar center distance |
KA |
80,100 |
80 |
5 |
Rated short circuit duration |
KA |
80,100 |
80 |
6 |
Rated peak withstand current |
mm |
150,160,210,230,250,275 |
350,385,460 |
7 |
Rated insulation level |
1min Power frequency withstand voltage |
kv |
42/49 |
95 |
Lightning impulse withstand voltage |
75/85 |
185 |
Installation dimension drawing |
|
|
|
|
|
|
Type |
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 |
495 |
|
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 |
|
JN15-12/31.5-250 |
250 |
75 |
160 |
735 |
596 |
|
JN15-12/31.5-275 |
275 |
75 |
185 |
810 |
646 |
96 |
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