I. General
XL-21 low-voltage power distribution cabinet is applicable to power station and industrial and mining enterprises to distribute power in three-phase four-wire or three-phase five-wire system whose AC voltage is below 500V. XL-21 low-voltage power distribution cabinet is an indoor wall installed device, repaired in front of the screen. The shell is made of bending steel plate. Upper of left pillar in front of disconnecting switch operation handle box can be used for power switching. Different types and current level circuit breakers can be chosen according to different customers’ requirements.
II. Cabinet Outline
III. Main Basic Technical Parameters
|
Items |
Units |
Parameters |
|
Rated Operating Voltage |
V |
Ac380\ |
|
Rated Frequency |
Hz |
50/60 |
|
Rated Short-time Withstand Current (1s) |
KA |
25 |
|
Rated Peak Withstand Current |
KA |
105 |
|
Dielectric Strength |
V/min |
2500 |
|
Rated Insulation Voltage |
\ |
660 |
|
Protection Grade |
\ |
IP30/IP40 |
|
Outline Dimension(W×D×H) |
mm |
600(800\1000)3×50(400\600) ×1600(1800) |
