Can set high or low level trigger with jumper, to meet the demand of more trigger applications; With patch optical isolation, strong drive ability and
2pcs DC 5V 4 Channel Relay
This module is widely used in the design and development of the home and industrial electronic products of the majority of electronic enthusiasts, can
2 Channel Relay Module Self-Locking Triggering Interlocking Optocoupler Isolation High Low Level Trigger for PLC Industrial Control (12V)
[2-pack] DC 12V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger
Module uses genuine high quality relay, normally open interface maximum load: AC 250V / 10A, DC 30V / 10A Using optocoupler chip isolation, strong
HiLetgo 12V 1 Channel Relay Module with Optocoupler Isolation Support High or Low Level Trigger
2 PCS DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V - AliExpress
The module uses high-quality relay, the maximum load of the normally open interface: AC 250V/10A, DC 30V/10A. Using patch optocoupler isolation,
Trigger Module, 5V/12V 2 Channel Relay Module with Optocoupler Isolation High&Low Level Trigger Relay Extension Board(5V)
CenryKay DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V(6PCS) - Yahoo Shopping
HiLetgo 2pcs DC 24V 1 Channel Relay Module with Opto Isolation Support High or L
HiLetgo 2pcs DC 24V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 24V : Industrial & Scientific
DC 12V 4-Channel Relay Module, Optocoupler Isolator
DIANN 12pcs DC 12V Relay Module 1 Channel Relay Board with Optocoupler Support High/Low Level Trigger - Yahoo Shopping
5V/12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger - AliExpress