General
HXL-21 framed LV distributing cabinet, is used for power distribution and light distribution at three-phase four-wire power system of AC frequency 50Hz, 500V and below in the industrial and civil buildings, takes effect on preventing the overload, short circuit and leakage as well as converting the circuit normally. This product is a kind of indoor enclosed device, its enclosure protection level reaches Ip20# conforms to standards GB7251.1 and IEC60439-1.
Basic technical parmeters
Rated working voltage | 380V |
Rated insulation voltage | 660V |
Rated working frequency | 50Hz |
Rated working current | 630-1000A |
Rated short-circuit breaking current | 15kA |
Rated short-time withstand current | 15kA/1s |
Rated peak withstand current | 30kA |