1 Change the delay time length by adjusting the resistance. 2 This delay relay module uses NE555 as the time base. 3 Relays with normally open and normally closed connectors, connected to the normally closed end (NC) is a time-delay connection, connected to the normally open (NO) is a time-delay switch. 4 Circuit wiring to meet the safety requirements, load capacity of 10A 250 V AC or 10A 30 V DC. 5 With state indication, the red LED light indicates that this module has been connected to the power supply, and the green LED light indicates that the relay is in the suction state.
What's in the box
1 x Relay Switch Module
