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KJZ-400/1140(660)隔爆兼本质安全型真空智能馈电开关,是煤矿井下低压供配电线路常用的总开关,各种保护功能完善、可靠,并且可以直接接入监控网络,方便组网集控。正确的分析及检查常见故障是保证煤矿井下各种机械设备的正常运行必备技能,也是煤矿井下机电维修工考核的技能之一。
KJZ-400/1140 (660) Explosion-proof and Intrinsically Safe Vacuum Power Feed Switch is a commonly used general switch for coal mine underground low-voltage power supply and distribution lines. Various protection functions are complete and reliable, and can be directly connected to the monitoring network for convenience Network set control. Correct analysis and inspection of common faults is to ensure the normal operation of various mechanical equipment in coal mines necessary skills, but also mine mechanical and electrical maintenance workers assessment of one of the skills.