Optocoupler Isolation Module 8 Channel 3.6-30V Industrial Electrical Converter Board for Circuit Protection

URWLPBDU 485 Repeater RS485 Acquisition line Sharer 485 Splitter 1 in 2 Out Industrial Grade photoelectric Isolation 2-Way(1 in 1 Out Isolator)

PC817 Optocoupler Isolation Board 3.6-30V, Photoelectric Isolated Module for Circuit Protection, 2 Pack Voltage Isolation Module for Industrial Control and for Arduino Projects(2 Channel)

FABULETTA 4-Channel PLC DC Amplify Board 12/24VDC with NPN/PNP Input, Optocoupler Isolation for Industrial Automation Control and High-Current Drive Applications, Green(NPN)

ADUM3160 USB 2 0 Isolator Module with 1500V Isolation, Supports Interrupt and Isochronous Transfers at 12Mbps for Industrial Use

Optocoupler Isolator Module for AC220V Voltages 3 5V Signals Output for Industrial Application Electronic Isolator

Optical Isolation Module 24V to 5V 8 Channel Optocoupler PLC Signal Converter Board High Performance Signal Isolation Level Conversion for Industrial Automation Durable Sturdy

Optocoupler Isolator Module for AC220V Voltages 3 5V Signals Output for Industrial Application Electronic Isolator

SPONGL U01B USB2.0 Isolator with DC1500V Isolation Voltages for Noise Sensitive Equipment and Industrial Control Devices

Vasiumic PC817 Optocoupler Voltage Isolation Module 3.6-30V ABS Board with Photoelectric Isolated Circuit Control, Optional 2/4/8 Channels for Industrial Electronic Applications,(2 Channel)