Safe and reliable delay switch circuit

Published:2011/8/29 2:04:00 Author:Jessie | Keyword: delay switch circuit | From:SeekIC

It should use the safe and reliable delay switch circuit shown as the chart in the places with flammable and explosive materials. After pressing button S anda certain time, therelay is cut off. If in a given time, therelay doesn't release, so indicator La isextinguished and sent out the fault signal. Technical parameters: Working voltage: 24V; delay time(adjusted by R4): 3~15s.



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