8 Channel Optocoupler Relay Module Board, 5V 12V 24V High Low Trigger, Fault - Tolerant Design for Industrial Automation (12V)

8 Channel Optocoupler Relay Module Board, 5V 12V 24V High Low Trigger, Fault - Tolerant Design for Industrial Automation (12V)

• [Optocoupler Isolation]: Features patch photocoupler isolation for strong driving ability and with low 5mA trigger current.
• [Multi-Voltage Support]: Operates flexibly at 5V, 12V, or 24V, allowing compatibility with various control systems and power supplies.
• [High/Low Level Trigger]: Each channel can be independently configured for high or low level trigger through jumper settings for versatile control.
• [Fault-Tolerant Design]: Ensures relay remains inactive even if the control line breaks, providing reliable and safe operation.
• [User-Friendly Interface]: Includes power and relay state indicator lights, direct terminal lead connections, and four fixing bolt holes for easy installation and monitoring.