230 VAC Timer

  • Rajkumar Sharma
  • 12644
    Views
  • moderate
  • Tested

CLASSIC_TIMER

Classic AC 230 V Timer project can be used in all application requiring a timer of up-to 3 Minutes to operate or control any AC mains load of up-to 200 Watts.  This project is based on the Classic 555 Timer IC, triggering a TRIAC.  Input and Output is Optically Isolated.

Specifications

  • Supply input 12 VDC
  • Mains supply input 240 VAC or 120 VAC ( Read Note for 120V/230V AC)
  • Output: up-to 200 Watt
  • Optically isolated Input / Output
  • Onboard start and reset tactile switch
  • Timer On LED
  • Preset adjustable and jumper selectable for range
  • Power-On LED indicator
  • Screw terminal connector for easy mains supply input and load connection
  • Four mounting holes of 3.2 mm each
  • PCB dimensions 46 mm x 91 mm

Schematic

CLASSIC_TIMER_SCH

Parts List

CLASSIC_TIMER_BOM

 

PCB

Comments

  • Tien

    value of inductor?

    4 years ago
    • BABEK

      0 OHM
      WIRE

      4 years ago
  • L1, 100uH, Or 1mH if its inductive Load

    4 years ago
  • Mehmet Aksulu

    Hello…

    What is the Value Of L1

    SİNCERELY YOURS

    3 years ago

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