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EC Buying, are always committed to innovation and breakthroughs in the field of electronic components, providing electronic component products to global customers with a professional, focused, and focused attitude.
EC Buying, Your One-Stop Shop for Electronics!
We have a wide range of product lines, covering various electronic components such as module, development board, resistors, capacitors, diodes, transistors, integrated circuits, etc., meeting the needs of different industries and fields.
Not only do we have standard electronic components, but we also provide customization services, such as component type and specification customization, material selection, appearance customization, and module function customization.
Product parameters
Working voltage: 5V
Quiescent current: 5mA
MAX current: 190mA
Trigger voltage: Low: 0; High: 5V
Trigger current: 2-4mA
MAX load: AC250V/10A, DC30V/10A
Module size: 50mm * 26mm* 18.5 mm/1.97inch * 1.02inch * 0.73inch (L * W * H)
Equipped with 4 fixing bolt holes, with an aperture of 3.1mm/0.12inch and a spacing of 44.5mm * 20.5mm/1.75inch * 0.81inch
Power indicator (green), 4-way relay status indicator (red)
Module interface:
DC+: connects to the positive terminal of the power supply
DC-: connects to the negative terminal of the power supply
IN: Can be high or low level control relay pull-in
NO: Normally open interface of the relay. The relay is suspended before closing and shorted with COM after pull-in
COM: Common interface of relay
NC: Normally closed interface of a relay, short connected with COM before relay closing, suspended after pull-in
Bob
2025-09-01 17:47:40
I had originally placed a singe relay in my cart that was over $10 and would take almost 2 weeks to receive. Found this pack with the same product number and it was received the next day, MUCH cheaper, and there were 9 of them
joseph jefferson
2025-06-18 10:37:23
Excellent.
edl
2025-05-13 14:34:58
Using these with ESP8266 based controllers and quite happy with them. They do everything as promised and only draw a few ma to fire. Did not catch from the write up that here is a jumper to select rising or falling edge activation on the board. Perhaps the best part is the oh so very green power LED!
Brady Cormier
2025-04-19 14:19:47
Works well with microcontroller boards, no issuers
Mary Flier
2024-12-30 09:38:28
They seem fine but there were only 5 not 10. Luckily I didn't need 10 and the price is still good. The description said 10 when I bought them they changed it to 5 Pcs now.
JBerg
2024-12-09 11:41:55
These are great little boards that simplify using a standard Songle relay. These boards have the built in diodes and transistors you typically need to complete the relay circuit. That makes them very easy to use in a project. The included power and status LED on the board are really helpful when testing, you can see the current state of the relay instantly. Decent value for a five pack
J. Smith
2024-11-24 13:16:04
This little relay modules does everything you need it to do. It's low power when switching. There are LEDs to indicate state. It is optically isolated. It can trigger on high or low inputs.Good value, especially with the promotional coupon!
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