BHD series mining explosion-proof low-voltage cable junction boxDetailed product description：

The BHD series mining explosion-proof low-voltage cable junction box (hereinafter referred to as the junction box) is suitable for use in mines with explosive hazardous environments such as gas and coal dust. It is used for connecting and branching mining rubber sheathed cables.

BHD series mining explosion-proof low-voltage cable junction box main parameters

model	Rated voltage (V)	Rated current (A)	Maximum outer diameter of cable	Dimensions (mm)
BHD2-200/1140-2G	one thousand one hundred and forty	two hundred	52mm	518×282×174
BHD2-200/1140-3G	one thousand one hundred and forty	two hundred	52mm	518×388×174
BHD2-400/1140-3G	one thousand one hundred and forty	four hundred	85mm	658×476×209
BHD2-400/1140-4G	one thousand one hundred and forty	four hundred	85mm	658×424×209
BHD2-400/1140-2G	one thousand one hundred and forty	four hundred	85mm	659×310×203
BHD2-200/1140(660)-4G	one thousand one hundred and forty	two hundred	52mm	571×384×173

The insulation resistance between the terminal block and the housing shall not be less than 2.5M Ω after alternating damp heat test
Perform power frequency withstand voltage test on the junction box: the withstand voltage test value is 4200V, and there is no breakdown or flashover phenomenon;  
The junction box is designed for long-term operation.