ANMBEST 2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino

The relay comes with 4(single) channel 5V activation relay, ready to control 250VAC at 10A. Extra isolation with opto-coupler at the front end of control, and the activation logic for relay is configureable via a mini jumper. Technical Specifications: Channel: 4 channel Working Voltage: DC 5V Normally Opened Compatible Load: 10A 250VAC / 15A 125VAC / 10A 30VDC Quiescent Current: 5mA Maximum Current: 190mA Trigger Current: 2 - 5mA Trigger Voltage(LOW): 0 - 1.5V Trigger Voltage(HIGH): 2.5 - 5V Insulation resistance: 100M? (500VDC) Action time (under rated voltage): less than 10ms Release time (under rated voltage): less than 5ms Power indicator (green), relay status indicator (red) User friendly interface design. All interfaces can be connected directly via terminal wiring leads. Module Size: 73mmX50mmX18.5mm /2.87X1.97X0.73inch(L*W*H) Input Interface: DC+:connect to power positive (according to the relay voltage range) DC-: connect to power negative IN: relay module trigger pin (high or low level trigger Optional) Relay Output: Normally Opened (NO) : normally open pin of relay. NO pin is not connect to COM pin when relay off.NO pin is connect to COM pin when relay on; Common pin (COM) : Common pin of the relay; Normally closed (NC) : normally close pin of relay.NC pin is connect to COM pin when relay off.NC pin is not connect to COM pin when relay on; High/Low Level Trigger: 1. Low level trigger when jumper and L short circuit; 2. High level trigger when jumper and H short circuit. Package includes: 2 x Four Channel 5V Relay Module with Optocoupler Module