JHH-2,3,4 Mining underground electrical junction box                                                                                         

1. Appliance:

This series junction box is applicable in coal mine where is filled with explosive gas such as methane.

coal dust and so on, mainly is used as cable junction box to connect intrinsic safety circuit between electric apparatus.It can only be used for connection of intrinsic safety circuit.

2. Features:

1,Enclosure is made form glass reinforced polyester, with the elegant shapemment corrosion resistance ,static electricity resistance, impact resistance and good  thermal reliability.

2,Increased safety enclosure ,built-in explosion protection components.

3,Built-in indicator light, pushbutton, conversion switch ,ammeter ,voltmeter ,potentiometer etc. and other components can be as per request.

4,Terminal  can selected for line pressed type or phoenix’s special terminal of safety-increased type.

5,Built-in explosion proof button with special cementing treatment to ensure reliable cementing.

6,Can be use to sub-connect or connect the electrical control circuits., and also applicable to connect supply wire of self-control engineering or communication’s signals.

Product Parameter:                                                                    

Scope of JHH series product is suitable for:

For the dangerous sites with explosive air mixture: 1 division, 2 division.

With explosive gas mixture Ⅱ, Ⅱ, Ⅱ C B A.

: temperature classes T1 ~ T6.

JHH series models:

JHH10-6 10 pair  6connect

JHH20-6 20 pair  6connect

JHH30-6 30 pair 6 connect

JHH50-6  50pair 6 connect

JHH100-6, 100 pair 6connect

JHH200-6, 200 pair 6 connect(steel plate welding, customized).

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