Timer Switch Timer Controller LCD Display Smart Rail Fixed Reminder Place For School Bell Factory Bell Control

Timer Switch Timer Controller LCD display Smart rail Fixed reminder place for school bell Factory bell control Specification: Item Type: Timer Switch Function: Bell Time Control Minimum Setting Time: 1min Working Voltage: 220V 50/60Hz Timing Error: Less than or equal to 1s/d Rated Operating Current: AC-15 220V 3A Thermally Stable Current Value: 16A Ringing Time: 1s~99s Installation Method: Din Rail Type Package List: 1 x Time Control Switch 1 x English Manual