DWZ 12V 10A 4 Channel Relay Module 4-Channel Relay Control Board with Pptocoupler Output 8 Way Module Board

The onboard EL817 photoelectric coupler with photoelectric isolating anti-interference ability strong. The onboard 5v, 10 a / 250 vac, 10 a / 30 VDC relays, relay long life can absorb 100000 times in a row. With diode freewheeling protection, response time short. With optical isolation anti-interference function. The maximum load of the normally open interface: AC 250V/10A, DC 30V/10A. Specification: Color: show as pictures. Size: 69 * 47mm. Note: There might be a bit color distortions due to different computer resolutions. There might be size errors due to different computer resolutions. Package include: 1 * relay module.