TM624 40-Group School or Factory Automatic Bell Timer Controller 1~99 Seconds Interval Auto Ring Time Switch Digital Programmable LCD Display Din Rail Microcomputer Time Relay NKG-4

TM624 40-Group School or Factory Automatic Bell Timer Controller 1~99 Seconds Interval Auto Ring Time Switch Digital Programmable LCD Display Din Rail Microcomputer Time Relay NKG-4

Electromagnetic Power Relay, 8-Pin 10 AMP 24V AC Relay Coil with Socket Base, LED Indicator, DPDT 2NO 2NC - MY2NJ [Applicable for DIN Rail System]

2 Piece VAMRONE Aluminum DIN Rails, 12 Inch Long, 35mm Wide, 7.5mm High, Top Hat Slotted DIN Rail with RoHS, Extra Premium Screws Included for Hardware Components Mounting