The module is widely applicable to the majority of electronic enthusiasts, industrial electronics and the total development of electronic products can be very good as a single-chip signal input source, you can dock with the microcontroller, or add a level drive relay, or small DC motor.
Module set self-locking, interlock, trigger (jog) three options to support high and low switching. Widely used in machinery and equipment, automation equipment modification, PLC industrial control, arduino robot and other functional products.
Each channel has a signal light, you can clearly see which switch in the work, work with self-locking / interlock / trigger (jog) three optional.
Self-locking: press, relay pull, then click, the relay disconnected. Self-locking 3 channels do not affect each other, you can also external trigger switch (CH terminal wiring), you can choose to use high or low trigger, which can control 3 channels.
Trigger (jog) is pressed, the relay pulls on, releases, and the relay is disconnected. Can also be an external trigger switch (CH terminal wiring), you can choose to use high or low level trigger

Technical Details

Product Details

Package Dimensions
Width : 4.5 inch
Height : 0.8 inch
Length : 4.7 inch

Shipping Weight: 1.85 pounds (View shipping rates and policies)

ASIN : B01G1H9YBG