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Product description: DC 5V 12V Sixteen 16 Channel Relay Module Interface Board With Optocoupler Protection LM2r for arduin0 Diy Kit576 Powe
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1 power supply to meet the range DC 12V;
2 power supply according to the wiring diagram request can not be reversed ;
3 product LM2596S buck chip slight fever is a normal phenomenon , relays, long working hours have a normal fever phenomenon , are normal ;
4 relay load load power to give leave some margin , should avoid high-power ( about 2000W) and long working environment , there will be some impact on the life of the product .

1,12V relay contact capacity 10A 250V, with optocoupler protection. Onboard power supply module does not need an external power supply . I / O port driver is active low.
2 , can be used as microcontroller development board module can be used as appliance control, can be used as PLC extended output.

1, the control signal voltage range: trigger signal is low 0-2V; high voltage must not exceed 5V.
2, using the industry\'s top -quality isolation optocouplers, strong anti-jamming ability , stable performance ; trigger current is only 3mA.
3,1-16 road can be any full on / off , or any road.
4, the output forms: direct connect AC 220V 10A or DC30V 10A load.
5 , each relay common terminal COM are independent , user-friendly access to different signals , each relay are normally closed and normally open with the port .
6 , each relay is equipped with motion lights , pull off, off off.
7 , interface design humane, all interfaces can be directly connected through the terminal leads , very convenient.
8 with four mounting bolts holes for easy installation.
9, PCB board size : 180MM (L) * 90MM (W) * 20MM (H).
Supply voltage : 5V 12V (DC)
Supply Current : more than 200mA
Each relay can load : 250V 10A (AC) or 30V 10A (DC)