Description：
3V 1-Channel Relay Power Switch with Opto-Isolated High Level Trigger
Optoisolator - 3V/3.3V power relay module supports optoisolated control.
High Level Trigger - Relay module is triggered by a high level signal (1.3V) from the microcontroller IO input.
Long Life - Fast response time of less than 20ms, long life of up to 100,000 fast actuations and diode idling protection.
Load Interface:
NO: Normally open interface
COM: Relay Common Interface
NC: Normally closed interface
Power Interface: VCC(+)
VCC(+): Connect to positive pole
IN: High level to control the relay to be closed.
GND(-): Connect to negative pole

Parameter:
Channels: 1 channel
Material: Circuit Board Circuit Board
Control signal TTL
Operating voltage: DC 3V/3.3V DC 3V/3.3V
Main Chip EL817, SRD-DC03V-SL-C
Compatible Load: 10A 250VAC, 10A 30VDC
Response time: less than 20ms
Single socket length: 7.5:mm
Relay Size: 70 mm X 17 mm X 20 mm (L x W x H)

Package Includes
5 pcs x1 channel 3v relay boards