12V Modbus RTU 4 Channels Relay Module Optocoupler RS485 MCU for Arduino

About 12V Modbus RTU 4 Channels Relay Module Optocoupler RS485

• 12V Relay Module 4-Channel This is a 12V 4-Channel Relay interface board. Be able to control various appliances and other equipment with a large current.
• It can be controlled directly by a Micro-controller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) .
• 12V 4-Channel Relay interface board and each one needs 50-60mA Driver Current. Equipped with high-current relay, AC250V 10A ; DC30V 10A.
• Product Name:4 Bit ModbusRTU Relay Module
• Working Voltage:DC 12V
• Working Current:1A
• Work Temperature:-25~85
• Work Humidity:5%~95%RH
• Size:78*78*20mm