JHH-3 mine intrinsically safe circuit terminal box

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JHH - 2, 3, 4, mine intrinsically safe circuit junction box/terminal box product according to Q/HX003-2007 standard production. Explosion-proof type: mine intrinsically safe. Explosion-proof marks: Exib Ⅰ. Using environment Ambient temperature - 10 ℃ to + 40 ℃; Relative humidity: 95% or less (+ 25 ℃); The atmospheric pressure: 86-106 kpa; Environment with explosive gas and coal dust explosive material; Should be no corrosive gas in the environment; The technical requirements Rated voltage: 60 v Rated current: 3 a Contact resistance: less than 0.01 ohms Insulation resistance:greater than 500 ohms surface insulation resistance:Less than 1 x 109 Ω After Connection the completion of the lid and seat sealing should be pay attention to.

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Jining Hengwang Mining Machinery Co., Ltd.

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