1.used in coal mine well for wiring branch connection 2.can be serve as driving force ,lighting ,signals

Application

BHD20-400 mining explosion-proof low voltage cable junction box  is used as cable connection  and branching for  lighting,signal and power motor ,in the coal mine well with explosive mixed gas containing mathane .

Technical Features 

the product is mainly composed of shell ,cover,inner wire connection,in-out grounding device and wire outletting compressing device.its main material is  HT250 grey cast iron and glazed china wire joint. 

Technical Data 

Type	Rated Voltage(V)	Rated Current(A)	Branch Cables	Max Out Diamaterof Inlet Wire	Demension(m)
BHD20-400	1140,660,380	400	2/3/4	Ø78	660*250*220        660*460*220  660*660*220
BHD20-200	1140,660,380	200	2/3/4	main cableØ64, branch cableØ39	470*240*170  470*360*170    470*360*170
BHD20-100	660,380	100	2/3/4	Ø39	380*290*150
BHD20-40	660,380	40	2/3/4	Ø25	300*127*100  300*260*100   300*300*100
BHD20-20	660,380	20	2/3/4	Ø17	260*160*80         260*230*80            260*260*80