JHH Seirs Mining Intrinsic-safety Circuit Junction Box
Application
JHH series junction box is applicable in coal mine full with explosive gas such as methane, coal dust and so on, mainly used as cable junction box to connect intrinsic-safety circuit between electric apparatus,can only be used for connection of intrinsic-safety circuit.
Model implication
J H H -□-□
Cable entry hole quantities
Pair numbers
Intrinsic-safety type
Junction box
Main technical pareameters
|
Type
|
Pair number(pair)
|
Cable entry hole quantities(pcs)
|
Cable entry hole O.D.(mm)
|
Outline dimension
LxWxH(mm)
|
|
JHH-2-2
|
2
|
2
|
Φ9
|
120X50X50
|
|
JHH-2-3
|
2
|
2
|
Φ9
|
120X50X50
|
|
JHH-4-2
|
4
|
2
|
Φ10-13
|
190X64X44
|
|
JHH-4-3
|
4
|
3
|
Φ10-13
|
120X100X46
|
|
JHH-4-4
|
4
|
4
|
Φ14.5
|
120X100X46
|
|
JHH-10-4
|
10
|
4
|
Φ15.5-24
|
222X204
|
|
Φ7.5-16.5
|
||||
|
Φ7.5-11
|
||||
|
JHH-20-6
|
20
|
6
|
Φ15.5-24
|
323X222
|
|
Φ7.5-16.5
|
||||
|
Φ7.5-11
|
||||
|
JHH-30-6
|
30
|
6
|
Φ21-33
|
323X302
|
|
Φ15.5-24
|
||||
|
Φ7.5-16.5
|
||||
|
Φ7.5-11
|
||||
|
JHH-50-6
|
50
|
6
|
Φ25.5-44
|
430X302
|
|
Φ21-33
|
||||
|
Φ15.5-24
|
||||
|
JHH-100-8
|
50
|
8
|
Φ25.5-44
|
506X402
|
|
Φ21-33
|
||||
|
Φ15.5-24
|