1, DIN Rail Mount IoT Power Relay Module for Arduino UNO / MEGA2560, with the module you can easily extend Arduino projects to IoT/industrial control applications. Support for Arduino UNO R3 or Arduino MEGA2560 R3 ( NOTE: the item not include Arduino MEGA2560 or UNO board).
2, Power supply DC 7V ~ 12V. from Arduino DC power jack or PWR IN terminal Block V+/GND. With a RESET button on board for Arduino.
3, Relay action LED indication corresponds to each channel. Support pin jumper chose control signal from Arduino or external signal.
4, 8 channels SPDT power relays. Contact Rating (each channel): 125VAC/12A, 277VAC/10A or 30VDC/10A.
5, FR-4 glass fiber PCB. High quality fireproof nylon material DIN rail mount carrier, can support width 35mm / 32mm / 15mm rail.