Model
J---------------------------------------spaced switch cabinet
Y---------------------------------------withdrawable
N---------------------------------------Indoor
10--------------------------------------design No.
40.5-------------------------------------rated voltage (KV)
General
This series of products are the indoor complete set equipments of three-phase AC 50HZ single bus system to receiver and distributor of the 35KV power grid. This product applies the hermetically sealed structure and is with the reliable five-defense interlocking device. It applies the whole insulating clapboard of SMC fire-retardant materials primary contact box. It is of good insulation capability and high safe operation capability.
The main switch applies the ZN23-35 vacuum circuit breaker or LN-35 SF6 circuit breaker, which runs safely, long working life, maintenance-free, high adaptation to the environment.
It is the ideal indoor switchgear for 35KV distribution system.
Technical parameter
Item |
Unit |
Value |
Rated voltage |
KV |
33~40.5 |
Rated insulation level |
1 min power frequency withstand voltage |
KV |
Phase-phase
Phase-earth |
Isolation fracture |
95 |
118 |
Rated lightning impulse withstand voltage |
185 |
215 |
Rated short-time withstand current (4S) |
KA |
20, 25, 31.5 |
Specified short circuit drop-out current |
KA |
20, 25, 31.5 |
Rated withstand current (peak) |
KA |
50, 63, 80 |
Rated short circuit making current |
KA |
50, 63, 80 |
Rated current |
A |
1250-2500 |
Protection degree |
|
IP2X |
External dimension (W*D*H) |
mm |
1818*2400*2925 |
|