4-Channel Relay Module . Each channel has an LED light indicating the operating status of the relay.
The use of dual optocoupler, you can use high or low control mode, compatible with a variety of NPN and PNP output PLC expansion; optocoupler isolation more secure, the system anti-interference ability stronger and more stable.
With a diode freewheeling protection circuit. The use of dual power supply, the user can according to need, through the short-circuit cap to switch, select the power supply to use more flexible and convenient.
Relay power supply with terminal blocks and DC power outlet (5.5mm * 2.1mm) two kinds of interface form, the use of more flexible and more convenient.
Uses: SCM control, PLC control expansion, intelligent industrial field, home intelligent control.

Technical Details

Product Details

Package Dimensions
Width : 2.91 inch
Height : 0.79 inch
Length : 3.39 inch

Shipping Weight: 2.4 ounce (View shipping rates and policies)

ASIN : B06Y1WJ1TX