KG3022D Digital School Bell Timer – AC 220 V

The KG3022D programmable timer controls when an AC 220 V bell receives power. It stores up to 28 scheduled ring events and allows each ring duration to be set from 1 to 59 seconds. Use it for school bells, factory shift bells and other recurring schedules. Specifications - Model: KG3022D - Supply: AC 220 V, 50 Hz ±10% - Program capacity: up to 28 ring events - Ring duration: 1–59 seconds; 10 seconds default - Clock settings: hour, minute and weekday - Operating temperature: −20 to 60 °C - Approximate size: 126 × 88 × 51 mm - Modes: AUTO, ON and OFF Installation and use - Disconnect the output load while programming the timer. - Set the current weekday and time, then program each required event. - Select AUTO for scheduled ringing; ON provides a temporary manual ring and OFF disables output. - Connect the timer between the AC supply and bell, following the terminal markings. - AC wiring must be isolated and completed by a qualified electrician.