2. It uses high-quality relays, with power supply and relay action indication, bright when closed, and not bright when disconnected. 3. When there is a signal at the signal input end, the common end and the normally open end be connected. 1. This module complies with international safety standards, and there is an isolation slot between the control area and the load area. 4. It can be used as a single-chip microcomputer development board or PLC module, and can be used for home appliance control. 5. It can control DC or AC signals and can control 220V AC loads. It is more convenient to connect the KF301 terminal to the control line.
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