Electronic module Xh-m131 Photosensitive Resistor Module Brightness Automatic Control Module 12V Light Control Relay Light Switch

2. Load Capacity of Normally Open Interface: AC 0v--125v/20A, DC 0v--14v/20a; the Output of the Module Has Three One Ports (COM), Normally Open (CK), Normally Closed (CB), three One Ports Are Equivalent to One Dual-Control Switch. When the Relay Coil Has Electricity, the Public Terminal Is Connected with the Normal Start, and When There Is No Electricity, the Public Terminal Is Connected with the Normal Closed End; the Com Terminal Is Generally Connected to the Negative Electrode of the Power Supply through Load, often Start to Connect to the Positive Electrode of the Power Supply;