Basic concept of indicator light
a device that uses lights to monitor the working or position status of circuits and electrical equipment. the indicator light is usually used to reflect the working state of the circuit (powered or unpowered), the working state of the electrical equipment (running, out of service or test) and the position state (closed or disconnected), etc.
the indicator light using incandescent lamp as the light source is composed of lamp cap, bulb, lampshade and connecting wire, etc. there are also light-emitting diodes as indicator light, which are generally installed on the panel, panel, table, and cabinet of high and low voltage power distribution devices. on the panel of some low-voltage electrical equipment, instruments or other conspicuous locations. the indicator light that reflects the working status of the equipment, usually a red light is on to indicate that it is in operation, a green light is on to indicate that it is out of service, and a milky white light is on to indicate that it is in a test state; the indicator that reflects the status of the equipment is usually lit to indicate that the equipment is live, and the light is on. off means that the device is de-energized; the indicator light that reflects the working status of the circuit, usually a red light on means live, and a green light on means no electricity. in order to avoid misjudgment, check the condition of the bulb or light-emitting diode frequently or regularly during operation.
the rated working voltage of the indicator light is 220, 110, 48, 36, 24, 12, 6, 3 v and so on. limited by the current through the control circuit, and in order to extend the service life of the bulb, it is often adopted to add a current-limiting resistor in front of the bulb or use two bulbs in series to reduce the operating voltage.
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the indicator light using incandescent lamp as the light source is composed of lamp cap, bulb, lampshade and connecting wire, etc. there are also light-emitting diodes as indicator light, which are generally installed on the panel, panel, table, and cabinet of high and low voltage power distribution devices. on the panel of some low-voltage electrical equipment, instruments or other conspicuous locations. the indicator light that reflects the working status of the equipment, usually a red light is on to indicate that it is in operation, a green light is on to indicate that it is out of service, and a milky white light is on to indicate that it is in a test state; the indicator that reflects the status of the equipment is usually lit to indicate that the equipment is live, and the light is on. off means that the device is de-energized; the indicator light that reflects the working status of the circuit, usually a red light on means live, and a green light on means no electricity. in order to avoid misjudgment, check the condition of the bulb or light-emitting diode frequently or regularly during operation.
the rated working voltage of the indicator light is 220, 110, 48, 36, 24, 12, 6, 3 v and so on. limited by the current through the control circuit, and in order to extend the service life of the bulb, it is often adopted to add a current-limiting resistor in front of the bulb or use two bulbs in series to reduce the operating voltage.
电子地磅的鉴定流程？
Danfoss丹佛斯变频器使用不当所引起的故障如何检查维护
聚丙烯挤压机板式换热器清洗方法和维修技巧
使用固定式气体检测仪时的注意事项
钢制拖链在大型龙门设备上的应用
Basic concept of indicator light
电火花线切割机床的三种不同控制形式及特点
生猪屠宰废水处理设备对污水的调节主要是什么呢？
运动粘度测定仪的准备工作
工业废水处理之超滤膜技术
GUBOA编码器替换发那科编码器要怎么选择？
伸缩风琴防护罩在日常保养中需要注意什么？
污水处理不同阶段的处理工艺怎么选？
聚氨酯直埋保温管的吊装与运输
keysight 81656A 法布里-珀罗激光源 深圳市美佳特
全自动弯管机的重要组成部分
给飞机造轴承 铁姆肯成都起航!
微生物限度检查仪分类介绍
HX合金航标黑棒|HX合金谁家有现货销售
农药残留快速检测仪提高我们的饮食安全