This is a 4 Channel Relay Module 30A with Optocoupler Isolation 5V Supports High and Low Triger. Using a high-power relay, the maximum control load is DC 30V 30A / AC 250V 30A. With each optocoupler isolation, anti-interference ability. In line with international safety standards, the control area and the load area with isolation slot. Each channel has a relay on LED indication

Application:

1. PLC automation equipment control
2. Industrial system control
3. Logistics network control
4. Home intelligent product control
5. Electronic enthusiasts to develop experiments
6. All kinds of circuit modification

Features:

1. Using a high-power relay, the maximum control load is DC 30V 30A / AC 250V 30A.
2. With each optocoupler isolation, anti-interference ability.
3. In line with international safety standards, the control area and the load area with isolation slot.
4. Each channel has a relay on the LED indication.

Module Interface Description:

1. DC +: DC power supply positive
2. DC -: DC power supply module negative
3. IN: Signal input terminal(support High/Low-Level switch freely)
4. Normally open (NO): Relay normally open
5. Common terminal (COM): Relay common
6. Normally closed terminal (NC): relay normally closed terminal

Package includes:

1 x 4-Channel DC 5V Relay Module High/Low-Level Triggering Optocoupler Isolation