Explosion Proof Low Voltage Cable Junction Box JHH Series for Mining
Explosion proof low voltage cable junction box JHH series for mining
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 mainlyused 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 |
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