Up to 12kV Explosion-proof switchgear for Coal Mines-Rolink Digital Energy（Xi'an）Limited

Main advantages

AI and Huawei MineHarmony Local arithmetic power, combination of large and small models, natural language interaction, anti-misoperation and health self-diagnosis supervised and confirmed by AI. Arithmetic power sharing can be realized through MineHarmony soft bus.

Great quality The core components all adopt first-class brands, ultra-strict factory inspection, the whole process of automated production and automated testing.

Highly reliable and maintenance-free Environmentally friendly gas insulation. High-voltage parts are all sealed in dry clean gas with micro-positive pressure. Moisture-proof, anti-flashover and anti-contact oxidation.

High safety The whole operation process is free of manual touch. Moving contact position confirmation, power check, earthing wire removal and electronic tag removal are all automatically done according to the operation regulations. Three-position mechanism, natural error-proof and avoidance of personal electric shock accidents.

Perfect measurement and control protection function Precise AI-based leakage protection, anti-degradation, monitoring, metering, power quality monitoring, wave recording and so on.

Feel at ease and assured. Ten-year warranty.Within ten years, maintenance-free for users.

Ratings & Specifications Operating Environment Product Solutions External Dimensions

Item Parameter

Rated voltage 12 kV

Power frequency withstand voltage 42/48 kA

Impulse withstand voltage 75/85 kV

Rated current 630 A

Rated short circuit breaking current 20 kA

Rated short circuit making current 50 kA

Rated short time withstand current 20/4 kA/s

Mechanical endurance Circuit breaker 10000 times / Isolating 5000 times / Earthing 5000 times

Item Parameter

Up to 12kV Explosion-proof switchgear for Coal MinesGenerally operate / service under normal mining conditions, complying with MT/T 667

Ambient temperatureMaximum temperature +40℃；
Maximum temperature (24h average) +35℃；
Minimum temperature -45℃；
Comply with Mining Electrical Apparatus for Non-hazardous Area

HumidityMaximum average relative humidity(24 hours measure≤ 95%; monthly measure ≤ 90%)

IACAFLR 20kA 1s

Service continuity categoryLSC2A

Cable bushing standardDIN47636T1 and T2/EDF HN 525-61

Altitude≤ 2000 m (under standard inflation pressure)

Immersion test0.3bar pressure underwater 24h

Protection degreeTank IP67
Explosion-proof enclosure IP54

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臧文明刘福财 James Zhu 闫涛谈宏波陈跃欣张正辰王晓杰雒园汤晔彬王博博

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