Product: AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 Development Board
Brand: AITRIP
Color: 1CH-3V-8PCS
3V 1 Channel Relay Power Switch  with Opto Isolation High Level Trigger Optocoupler Isolator - 3V/3.3V power relay module supports photocoupler isolation control.  High Level Trigger - The relay module is triggered by a high-level signal(1.3V), which can be input from microcontroller IO.  Long Life - Fast response time less than 20ms and long lifetime up to 100,000 times snap action with diode freewheel protection.   Load Interface: NO: Normally open interface COM: Relay common interface NC: Normally closed interface    Power Interface： VCC(+): Connect to the positive pole IN: High level control relay suction GND(-): Connect to the negative pole   Specification: Channel: 1 channel Material: Circuit board Control signal: TTL Work voltage: DC 3V/3.3V Main chip: EL817, SRD-DC03V-SL-C Compatible Load:10A 250VAC, 10A 30VDC Response time :Less than 20 milliseconds Single Socket Length: 7.5:mm Relay Size: 70mm X17mm X20mm (LxWxH)      Package include: 8 pcs x1 Channel 3v Relay Board
【30VDC 250VAC Load】 Equiped with high-current relay, AC250V 10A ; DC30V 10A, each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground.
【High Level Trigger】The relay module is triggered by high level signal, which can be input from microcontroller IO.
【 3V/3.3V power relay module】- This Relay Board provides a single relay that can be controlled by any 3V/3.3V digital input from your microcontroller IO.
【Wide Application】- These 3v relay board works well with ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4/3.3V /NodeMCU/ ESP8266 module etc.
【Long Life】 - Fast response time less than 20ms and long lifetime up to 100,000 times snap action with diode freewheel protection.

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