4 Channel Relay Module 5 V

4-channel relay control board module with optocoupler, 4 way relay module for arduino 4-channel relay output modules, relay output contacts 250A 10A. Input IN1, IN2, IN3, IN4, the signal line LOW effective. VCC, GND power input, can relay a separate power supply relay power input of JD-VCC. Uses: Support all MCU control. The industrial sector PLC control Smart home control Module parameters: Size: 75mm (length) x 55mm (W) x 19.3mm (height); Weight: 58g; PCB Color: Blue; Board four weeks with four screw holes, hole diameter 3.1mm, easy to install and fixed; Relay selection of quality loose music relays, SPDT. A common terminal, a normally open, one normally closed terminal; Optocoupler isolation, good anti-jamming; Low pull, high release. Energisation status indicator light, release status LED is off; VCC for the system power, JD_VCC for the relay power. Default hair 5V relay, plug the jumper cap to; Relay Maximum output: DC 30V/10A, AC 250V/10A Wiring: VCC: positive power supply system GND: System power supply negative IN1 ? IN4: relay control ports Please Note: Images are for representation only. The actual Product may differ slightly in appearance.