Relay output with indicator light $ 5.25 The module meets the international safety standards, and there are isolation slots between the control area and the load area; Relay is adopted; With power supply and relay action indication, on, off not on; When there is a signal at the signal input, the common terminal and the normal start will be connected; It can be used as MCU development board module and household appliance control; Control DC or AC signal, can control 220 V AC load; There is a normally open and a normally closed contact; It is more convenient to connect the blue kf301 terminal to the control line.
