BESTEP 16 Channel 5V Relay Module LM2596 With Optocoupler Protection Low Level Trigger For Auduino

Application 1 5V relay contact capacity 10A 250V with optocoupler protection The onboard power supply module does not require an external power supply The I O port drive is active low 2 Can be used as a microcontroller development board can be used as home appliance control can also be used as PLC expansion output Features 1 Control signal voltage range The trigger signal is low level 0 2V 2 Adopting high quality isolated optocoupler it has strong anti interference ability and stable performance the trigger current only needs 3mA 3 1 16 channels can be turned on off at will or any way 4 Output form Directly connected to AC 220V 10A or DC30V 10A load 5 Each relay common terminal COM is independent which is convenient for users to access different signals Each relay has a normally closed and normally open port 6 Each relay has an action indicator which is illuminated and turned off 7 The interface design is user friendly and all interfaces can be directly connected through the terminal block which is very convenient 8 There are 4 fixing bolt holes for easy installation 9 PCB board size 180 x 90 x 20mm L x W x H Electrical parameters Supply voltage 5V DC Supply current Greater than 200mAEach relay can be loaded 250V 10A AC or 30V 10A DC Instructions 1 The power supply should meet the scope of use DC 5V 2 The power supply cannot be reversed 3 The product uses LM2596S step down chip with slight heat which is a normal phenomenon The re