1PCS IR Slotted Optical Speed Measuring Sensor Detection Optocoupler Module NEW

1PCS NEW 1 Route with optocoupler relay module Isolation module #YT

1PCS NEW 1 Route with optocoupler relay module Isolation module#YT

1PCS NEW HLK-PM01/03/12 Power module 220v to 5v AC-DC isolation switch #YT

1PCS 1/3/8 220V AC 220V optocoupler Detects 220V voltage PLC #YT

1PCS NEW mos/FET module amplifies circuit board 4-way optocoupler isolation #YT

1PCS 1/3/8 220V AC 220V optocoupler isolation 220V PLC connection #YT

1PCS NEW 817 Optocoupler 2/4/8 Voltage isolation board #YT