XL-21 power distribution box
1. Model
X----------------------------------------control box
L----------------------------------------power
21---------------------------------------LV switch cabinet.
□---------------------------------------plan No.
2. General
XL-21 LV power distribution cabinet is suitable for the power plant, industrial and mining enterprises, to distribute the power distribution in the AC 500V and below three-phase four-wire or three-phase five-wire system. XL-21 LV power distribution cabinet can be only mounted against the wall in the building. The shell is made of the bending steel plate; the knife switch operation handle is on the top of the right column to transfer the power. There are various kinds of circuit breaker for the users.
3. Technical parameters
Item |
Unit |
parameters |
Rated working voltage |
V |
AC380、AC660 |
Rated frequency |
HZ |
50/60 |
Rated short time withstand current (1s) |
KA |
50 |
Rated withstand current (peak) |
KA |
105 |
Dielectric strength |
V/1min |
2500 |
Rated insulation voltage |
V |
660 |
Protection degree |
|
IP30/IP40 |
External dimension (W*D*H) |
mm |
600(800、1000)*350(400、600)*1600(1800) |