Timing from Microseconds to HOURS Simple Circuitry Precision Pulse Generation / Timing, FMAX = 500 KHz Use a single 4 to 16 VDC supply Excellent temperature stability 0.005% / °C Adjustable Duty Cycle Countless Application and Information Sources
Chip (NE555) Characteristic:
When unconnected with the supply power, the state of the module is "NO" [ normal open ], CB and COM are conductive. CK and COM are unconductive. When connected with the supply power, delay for 0-10s, the module will in the state of "NC" [ normal closed ], CB and COM are unconductive, CK and COM is conductive
Specification:
Module Properties : NE555 chip Dimension : 77 (L) x 23 (W) x 18 (H) mm (with potentiometer) Input voltage : DC12V Adjustable time : 0 to 10sec Control voltage : AC 0~250V / max. 10A, DC 0~30V / max. 10A Max. loading : 2200W
Connection drawing:
We suggest you using a diode connectiong to the VCC in series. In order to prevent from damaging chip of Power Reverse or Voltage Fluctuation. ( The board does not add diode because the power would not enough to pull-in the relay for the buck from diode when power is too low. )
Package included:
3 x Delay Timer Switch
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