16 Relay Trigger 12V LM2596 Power Control Module with Optocoupler Protection

16 Relay Trigger 12V LM2596 Power Control Module with Optocoupler ProtectionFeature 12V relay contact capacity is 10A 250V with optocoupler protection Onboard power supply module does not need an external power supply I O port driver is active in low level Used as a microcontroller development board can be used as appliance control also can be used as PLC output expansion Description The control signal voltage range The trigger signal is low level 0 2V high level voltage can not exceed 5V Built in optocoupler isolation high anti interference ability stable performance trigger current is only need 3mA 1 16 channel optionally fully open closed or any channel Output Type AC 220V 10A direct connection or DC 30V 10A load Each relay common terminal COM is independent for access to different signals each relay with both normally closed and normally open port Each comes with relay action indicator pull lit disconnect extinguished Humanized interface design all interfaces can connect directly through the terminal leads very convenient It has four mounting bolts holes for easy installation PCB board size 180 x 90 x 20mm L W H Parameter Supply voltage 5V 12V DCSupply current More than 200mAEach relay can load 250V 10A AC or 30V 10A DC Note Power supply need to meet the range DC 12V Power requirements according to wiring diagram can not reversed When using LM2596S chip may have a fever is normal if long time using will appear normal heating phenomenon