JHH Explosion Proof Low Voltage Cable Junction Box for Coal Mine
JHH Mining explosion proof low voltage cable junction box
Product Introduction
This series junction box is applicable in coal mine where is filled with explosive gas such as methane,coal dust and so on.
It is mainly used as cable junction box to connect intrinsic safety circuit between electric apparatus.It can only
be used for connection of intrinsic safety circuit.
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, push button, 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.
Parameters
Model |
JHH-4 |
JHH-3 |
JHH-2 |
Voltage |
≤60V |
≤60V |
≤60V |
Current |
≤1A |
≤1A |
≤1A |
|
Chanel number
|
4 |
3 |
2 |
Contact Resistance |
≤0.01Ω |
≤0.01Ω |
≤0.01Ω |
Ex Type |
Exib l |
Exib l |
Exib l |
Size |
135×92×48mm |
135×92×48mm |
135×92×48mm |
Weight |
120g |
120g |
120g |
Specifications
1.Safe and reliable
2.Small size, light weight
3. Good insulation property.
4. Pairs from 2-100 can be chosen.
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