What is the difference between the RM21 and RM3?
The position of the output contact (socket), the RM21 is 2 storeys and the RM3 is 3 storeys.
Relay module for large loads such as lamp loads, motors and drives for electrical isolation between logic and load.
What is the difference between the RM21 and RM3?
The position of the output contact (socket), the RM21 is 2 storeys and the RM3 is 3 storeys.