Line status indicator

Published:2012/8/24 22:39:00 Author:Ecco | Keyword: Line status, indicator | From:SeekIC

As shown in the figure, when the circuit is normal, H1, H2 glow, H3, H4 is not lit. When fuse on power line is blown, H3 is lit and H2 is extinguished. When the fuse on zero line blows, H4 is lit, H2 is extinguished. When two fuses are blown, H2, H3 , H4 are turned off, H1 is still lit. When H1, H2 shine, the applicance can not work properly, it shows that the device or the line after H2 is in failure. When fuse blows at night, H1 is also available for indoor shimmer lighting, allowing users to replace the fuse safety.Production: neon can use the neon bulb in fluorescent starter, its power consumption is minimal. If the neon bulb is pasted colored paper, it is easier to observe.



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