Vue d'ensemble
JN15-12/31.5-80 series indoor high voltage grounding switch performance in line with GB1985-2004 “AC high voltage isolation switch and grounding switch” and IEC129 requirements, suitable for 12kV and below AC 50Hz power system, can be used with various types of high voltage switchgear. It can also be used as ground protection for high voltage electrical equipment maintenance. This type of switch can be used with a live display device.
Signification du modèle
J |
N |
15 |
– |
12 |
/ |
31.5 |
– |
□ |
↓ |
↓ |
↓ |
|
↓ |
|
↓ |
|
↓ |
Interrupteur de mise à la terre |
Installation à l'intérieur |
Numéro d'ordre du dessin ou modèle |
|
Tension nominale (KV) |
|
Rated short-time withstand current (KA) |
|
Interphase distance |
Conditions environnementales d'utilisation
Ambient air temperature: upper limit +40℃ , lower limit -10℃ ;
Sea level: no more than 1000 meters;
Humidity conditions: the average daily relative humidity is not more than 95%, the average monthly relative humidity is not more than 90%;
Seismic sequence: no more than 8 degrees;
Pollution level: Class II.
Principaux paramètres techniques
Objet |
Unis |
Argument |
Tension nominale |
Kv |
12 |
Rated short-time withstand current(heat stable) |
KA |
31.5 |
Rated short circuit holding time |
S |
4 |
Courant nominal de fermeture en cas de court-circuit |
KA |
80 |
Rated peak withstand current (dynamic stability) |
KA |
80 |
Niveau d'isolation nominal |
Rated short-time power frequency withstand voltage |
kV |
Relative to each other |
42 |
Rated lightning impulse withstand voltage |
kV |
Relative to each other |
75 |
Durée de vie mécanique |
temps |
2000 |
Copper Bar Terminal Diagram

Dimensions et dimensions de montage (mm)

Modèle |
E |
F |
G |
H |
D |
JN15-12/31.5-150 |
150 |
75 |
165 |
535 |
396 |
JN15-12/31.5-165 |
165 |
75 |
160 |
565 |
426 |
JN15-12/31.5-210 |
210 |
75 |
160 |
655 |
516 |
JN15-12/31.5-250 |
250 |
75 |
160 |
735 |
596 |
JN15-12/31.5-275 |
275 |
75 |
185 |
810 |
646 |