Product Overview
DFW-12 series cable branch box adopts the outdoor design , full enclosed structure , cabinet body IP33, cable connector support made of stainless steel , the body shell made of high quality stainless steel plate (thickness : 2mm) , the box is divided into the busbar room and the cable room by the roof . The busbar room is the sealing chamber enclosed by 2mm steel plate . The bracket of cable terminal connector above the busbar room , the sleeve is used to fix the cable connector . The phase spacing of cable connector is 180mm , if install the lightning arrester should at the tail of cable connector . Furthermore , the short current indicator and live display also install at the busbar room . All the live parts in the busbar room are under strict silicone rubber insulation treatment.
The cable room at the bottom of busbar room, which is the channel for cable inlet and outlet , there are the cable clips and ground terminals .
Function and Structure
Full insulation and full seal , ensure personal safety .
Outdoor type, dust-proof , moisture proof , anti – flood , corrosion resistance, strong environmental adaptability
combination is flexible , meet the multiple wiring requirements
Small volume , compact structure , the appearance is beautiful and generous , easy installation and maintenance free .
Can equip with electric display , short circuit indicator , arrester
Regular Working Conditions
Ambient temperature : -45 ℃ ~ +45 ℃
The sea level height not above 2500m
Relative humidity : Daily average not exceed 95% , Monthly average not exceed 90%
The installation environment shall be without obvious filth, no explosive or corrosive gas and dust The installation site shall be free of violent shock.
Main technical parameters
Rated Voltage |
12KV |
Rated Current |
630A |
Rated Frequency |
50HZ |
Rated thermal stable current |
20KA/3S |
Rated dynamic stable current |
50KA |
Power frequency withstand voltage |
45KA/1Min |
Lightning impact withstand voltage |
105KV |