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Length: 5 cmWidth: 3.3 cmHeight : 2.4 cmNo. of Channels: 1Trigger Voltage: 5 V (DC)Trigger Current: 20 mASwitching Voltage(DC): 30V@30ASwitching Voltage(AC): 250V@30AVoltage version: 5VFC65 5V 30A DC Optocoupler Isolated Relay Module is a 1-channel relay module board with LED indicators, It can be controlled by microcontrollers such as Programming Board , AVR, PIC, ARM any other microcontroller operating at 5V. The user can choose the relay control level, can be a high level off, also can be low level and off. The FC65 5V 30A DC Optocoupler Isolated Relay Module contains a limited flow resistance, can directly use the power supply as a negative control, you can also use the MCU I/O control. Technical Features: Voltage version: 5V The static current: 5mA Working current: 80mA Trigger current: 2-4mA maximum load: AC 250V/30A, DV 30V/30A. Module interface specifications: IN: signal triggering pin DC +: DC power supply positive pole DC-: DC power supply negative pole JD+ : relay control voltage positive JD-: relay control voltage negative DC+ and JD+ shorted by jumper cap, DC- and JD- shorted with jumper cap, it is the same voltage between trigger terminal and relay control terminal Common pin (COM): relay common pin Normally opened pin (NO): relay normally opened pin Normally closed pin (NC): relay normally closed pin High and low-level trigger mode selection. Jumper and L pin connection, IN pin, is a low-level trigger Jumper and H pin connection, IN pin, is a high-level trigger Package Content: 1 x FC65 5V 30A DC Optocoupler Isolated Relay Module