4 Channel Relay Module 5V Optocoupler Isolation Relay Module PLC Amplifier Board

Feature: 1. Excellent production technology, not easy to cause false welding, easy and convenient installation. 2. power selection and optocoupler design are adopted to enhance anti‑interference ability and isolation. 3. Can be used for single‑chip microcomputer, PLC, industrial computer and other equipment amplification. 4. An \"automatic switch\" that uses a smaller current to control a larger current, having stable performance. 5. 5V Working voltage and 18.8mA current in each coil, plug type installation, in use. Specification: Item Type: Relay Module Material: PCB Operating Voltage: 5V Current of Each Coil: 18.8mA Contact Type: normally open and normally closed Relay Installation: Plug and pull type Purpose: An \"automatic switch\" that uses a smaller current to control a larger current Characteristics: 1. The use of macro relay, stable and performance; 2. Compatible with positive control, negative control two input modes; 3. Each channel has an LED action indicator light, more intuitive understanding of product performance; 4. Each channel adopts optocoupler isolation to enhance anti-interference performance and isolation performance; 5. At the same time, the power supply and \"IN\" control terminal independent control; 6. The module adopts standard \"DIN\" rail type installation design, easy and fast installation, firm and stable. Package List: 1 x Relay Module