4PCS DC 12V 2 Channel Relay Module with Isolated Optocoupler Supports High and Low Level H/L Level Trigger Module Triggered
Special Features
- The module allows users to set high or low level trigger via a jumper, meeting the requirements of various trigger applications.
- Featuring patch optical isolation, the module has strong drive ability and stable performance.
- Users can set the module to be triggered by high or low level through a jumper.
- The interface design is user - friendly, and all interfaces can be directly connected via terminal wiring leads for great convenience.
- With fault - tolerant design, the relay won't operate even if the control line is broken.
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