Description 5v 12v 1 2 4 8 16 channel relay module with optocoupler. Relay Output 1 2 4 8 16-way relay module for Arduino Module Description: The module complies with international safety standards, the load control area and regional isolation tank Using double-sided FR-4 circuit board design, high-end chip production process The signal input has a low signal, often beginning with a common terminal will be turned on The relay can control various devices and load Normally open normally closed contact 4 fixing bolt holes , hole 3.1mm, pitch 131mm * 49.5mm Blue KF301 terminals to the control line is more convenient. Finished by 100% functional testing and stability testing Usage: Supports all MCU control Manufacturing/ Industrial sector PLC control Smart Home Control Electrical parameters: Supply voltage: 5VDC Current: more than 100mA Load: AC 250V/10A, DC 30V/10A Maximum load: Trigger current: 5mA Wiring DC : positive power supply (VCC) DC-: negative power supply (GND) IN: can be high or low level control relay NO: normally open relay interface COM: Common Interface Relays NC: normally closed relay interface
