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(click picture to enlarge) |
Adjustable Cyclical
Timer This
circuit is a cyclic timer, with independently adjustable ON and OFF
periods. The ON and OFF periods can be adjusted via two PC board mounted
trimmer potentiometers from 6 seconds to approximately 60 minutes. The
circuit incorporates a PC board mounted adapter jack and includes a relay
which can handle loads of up to 3A / 110V AC or 24V DC.
Specifications:
- Supply voltage: 9V DC / 100mA
- Timing adjustment:
ON period from a six seconds to 60 minutes
OFF period from a six seconds to 60 minutes
- Output Relay:
Maximum 3A at 110V AC or 24V DC
Maximum 1.5A at 220V AC
- PC board dimensions: 2.5" x 2"
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