2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expans

• It is 4 Channel Isolated 5V 10A Relay Module, each relay can individually switch on/off by an opto-isolated digital input, Standard interface can be directly connected with microcontrollers and be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, DSP, etc., very convenient.
• Equipped with high-current relay, maximum load: AC250V 10A, 15A 125VAC, DC30V 10A; Trigger current of opto-isolator: 5mA.
• RELIABLE: Fault-tolerant design, even if the control line breaks, the relay will not move; With optical coupling isolation, triggering more reliable, more stable.
• EASY to INSTALL: Equipped with screwed terminal plate and fixed bolt holes(diameter: 3.1 mm) on both sides for easy installation.
• High/Low level trigger can be selected by jumper. Very versatile, you can reverse the input logic with the jumper.

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 - 5mATrigger Voltage(LOW): 0 - 1.5V Trigger Voltage(HIGH): 2.5 - 5V Insulation resistance: 100MΩ (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

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