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E-mail
140474002@qq.com
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Phone
18612905604
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Address
Changping District, Beijing
Shenyang Wanbo Fiber Optic Cable Manufacturing Co., Ltd
140474002@qq.com
18612905604
Changping District, Beijing
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Intrinsic safety mining junction box 8-core mining optical cable explanation MGTSV optical cable Mining intrinsically safe junction box, junction box, distribution box Intrinsic safety junction box JHH series Intrinsic safety junction box JHH mining intrinsic safety junction box (hereinafter referred to as junction box) is suitable for use as a cable distribution and connection for communication systems in environments with dust and gas hazards underground in coal mines. There are various products including JHH-1 (2, 3, 4, 7 (A), 4 (A), 6 (A), 6 (B), 6 (C), 8), etc. Terms of Use ⑴ Atmospheric pressure: 80kPa~110kPa; ⑵ Environmental temperature: -5 ℃ to+40 ℃; ⑶ Average relative humidity: not greater than 98% RH (+25 ℃); (4) In situations without severe vibration and impact; Installation and usage precautions Before installing and using the junction box, carefully read this user manual. The junction box should be used in intrinsically safe circuits that have passed inspection. When wiring, if there are polarity requirements, corresponding connections should be made according to the requirements. When installing, be sure to tighten the horn mouth, choose a suitable rubber ring, and seal the non wired mouth to prevent dust and water from entering the box. The fastening screws should be tightened, the cover sealing ring should be pressed properly, and any missing ones should be replaced. |
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