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8 Channel DPDT Signal Relay Module Board, DC 12V Version.
RY12W-K high quality signal relays, LED indicator for each relay channel. Darlington transistors circuit driving relay, improve the reliability of action.
Pitch 3.81mm / 0.15" screw terminal block, wire range 26-16AWG, strip length 5mm / 0.2", Metric M2 slotted screw.
FR-4 fiber glass PCB, dual copper layers.
Dimensions: 72.5mm x 150mm ( L x W ).
Operating Voltage: DC 12V.
Input control signal voltage:
0V - 0.5Vdc, low level, relay not action.
2.5V - 24Vdc, high level, relay action.
Input control signal high level current:
2.5V: 0.1mA.
5V: 0.35mA.
12V: 1.1mA.
20V: 1.9mA
Relay Spec:
Relay Part Number: RY12W-K series.
Contact Material: Gold Overlay Silver-Palladium.
Contact Rating: 120VAC / 0.5A, 24VDC / 1A.
Wire connection and PCB size:
VCC: Power supply input.
GND: Power supply ground and control signal ground.
IN-X: Control signal input, Low: relay not action, High: relay action.
COM / NO / NC:
Control signal state low, the relay OFF, COM - NO disconnected, COM - NC connected.
Control signal stage high, the relay ON, COM - NO connected, COM - NC disconnected.
This is a very simple module board, no paper specifications, any questions, feel free to tell me.
Datasheet: https://images-na.ssl-images-amazon.com/images/I/A1vg1+5HA8L.pdf
Trent
September 1, 2025
Review for the 12V operating model (using with an Arduino)relays take very little signal current to trigger --- ~600uA @ 5V. very nice. board can run off 9V as well. each relay draws roughly 400mA. I have 2 of these boards and 1 spare.survived winter with 3 days in a row sub-freezing temps and sunny summers sometimes 100°F+
Integrator
August 13, 2025
Electronics-Salon 8 Channel DPDT 5Vdc trigger. awesome compact relay board. 2- relays per trigger. using in both hot and cold environment within a life safety system which is tested weekly, all ports tested weekly.Recommend for DIY and professional system design.
Kedar O.
August 7, 2025
Worked well initially, but the relays stuck after a few weeks, although the load current was half of the rated value of the relay on the board.
Timthetoolman
June 28, 2025
These are very nice boards. Cleanly soldered and well assembled. Beware however, of the very small wire connectors. If you use wire ferrules, the wire you can actually use is very, very small. (24 AWG) This makes it all very delicate as the wires, even in ferrules, can break very easily. I would have liked to see board connectors that can handle a larger wire gauge. Other than that, very nice boards and the DIN mount carriers round out a nice assembly.
N. David Miller
June 24, 2025
I used this to control old Nutone door chimes with an Arduino controller to play different melodies for the doorbell.
Ryan
May 23, 2025
Board shipped non functional. Every relay was bad. After removing them, and replacing them with new relays, the board worked. These boards are for sure not tested before they go out. Buy at your own risk, and only if you are good at debugging.
Glenn Lord
March 21, 2025
I used two of these in a reversing control system for use in a Digger Derrick truck. The old system was sporadic and manual and now it is remote control. The dpdt relays are perfect for polarity reversing.
mr. food
February 12, 2025
This is perfect for my application, but the bad connectors have now cost me two day's worth of troubleshooting. I'm returning it, but I wish I could bill these guys for my time. Don't trust it with anything important.
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