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1, Photocoupler isolation between input control signal and controlled power, isolation surge voltage up to 7500V.
2, Input signal turn-on voltage DC 3 to 32V, turn-off voltage DC 0 to 0.8V. LED indication for relay turn-on.
3, Output voltage range: AC 90 to 250V(50/60Hz). Maximum on-state average current 3 Amp. Maximum on-state current 10 Amp ( 4, This is a simple and practical solid state relay module, which is very convenient to use, for Arduino, Raspberry Pi, ESP32, PLC or other projects. The GPIO of these controllers are directly connected to this relay input to control the mains power, and it is suitable for most loads less than 350 Watts (for 115VAC)/700 Watts (for 230VAC).
5, Compact ABS plastic case and wires connect for easy mount. Two screw mounting holes are convenient for you to fix it on the wall or wooden board. Of course, you can also choose not to lock the screw.
6, Compared with traditional electromagnetic relays, it has the advantages of long operating life, rapid on-off, no ignition arc and bounce, thus reducing electromagnetic interference. In addition, its action is quiet and does not produce annoying "ka-da" sounds.
Characteristic Parameters:
Input Signal Control Terminal:
Action Voltage: 3 ~ 32 VDC.
Current: 5mA at 3VDC, 6mA at 5VDC, 8mA at 12VDC, 11mA at 24VDC.
Turn off voltage: 0 ~ 0.8 VDC.
In-Out isolation surge voltage: 7500V.
Output Terminal:
Load voltage range: 90 to 250 VAC (50/60Hz).
Max. on-state average current: 3 Amp.
Max. on-state current: 10 Amp ( Non repetitive surge peak on-state current: 120 Amp ( Max. on-state voltage drop: 1.5V.
Max. off-state current: Off-state max. allow voltage: 400V.
Isolation: Phototriac.
Zero cross: Yes.
Load type: General purpose.
Customer
Reviewed in the United States on March 18, 2025
Either I got a bad one, or the relay doesn’t fully switch the line power even with the coil fully disconnected from any power source.Using this to power a usb power brick to switch a led strip light (custom install). LED strips turn on great, but when the coil is off, the leds continue to blink.
Rob P.
Reviewed in the United States on January 2, 2024
This was a way to run on my plasma cutter that is 120v AC. The issue was the 3v DC trigger from my grbl board. It’s been tested to turn on a 120v AC drill. I’m hoping it works for the plasma cutter. It should. So this makes it possible to make a poor man’s CNC plasma cutter using the gantry from an engraver. It’s all about the on off. The delay for piercing the metal is yet to be discovered but this setting is available in lightburn.
6strings
Reviewed in the United States on July 16, 2023
I use these for heat mats that are 80 Watts and less, so the 3A rating is just fine. Plus the device is very small and touch safe, easy to wire. I use it with a proportional controller.
Jtech
Reviewed in the United States on June 3, 2023
This device works well and has a red LED indicator to show that the load is powered on, I sort of wish they had a second led to just show this has load power too, or one LED that changed colors. Works as expected on 120V. According to the label black should be neutral which is odd for mains wiring, even red would be odd but be fine for 240V. This is a nice device really wish it was rated more than 3 amp though as that is fairly small for a lot of things.
ronsreview
Reviewed in the United States on June 10, 2023
I have the SSR switch hooked up to a small fish tank air pump that's rated at 110 - 120 VAC /18W. When the SSR switch is activated with 5 VDC input the LED lights up almost immediately, however the air pump does not activate? However, If I momentarily disconnect the AC from the pump and immediately reconnect it the pump activates and begins pumping? Next I exchanged the air pump with another small 110VAC device a small fan. Again, I activate the SSR switch with 5 VDC and the fan comes on immediately! I repeated this several time and each time I was successful, the fan came on immediately as one would expect. Unfortunately that is not the case with the air pump. The pump will not automatically activate but will if I manually interrupt it's AC supply?Any ideas or suggestions on how I can get this to work would be greatly appreciated....Thanks,RK
G. D. Golden
Reviewed in the United States on May 23, 2023
This is a commodity SSR, not really much to say about it. It works as expected given the specs in the ad. Verified that it turns above roughly 3V, turns off below roughly 0.8V.Based on the circuit diagram in the ad (fifth photo from the top), it does not appear to have an internal transient suppressor. Nevertheless, I lived dangerously and tested it with a 2.5A inductive load, ran a few thousand cycles without any extermal MOV or other transient suppressor. It seems to have survived.Mounting is typical for potted SSRs: Flat bottom, ears at top and bottom of long dimension, with centered holes, as shown in the photos. Case is plastic.The "package dimensions" given in the ad are evidently those of the box that it comes in, not the device itself. The device dimensions are not given anywhere in the ad I could find. They are:Length 3.0", including the mounting ears.Width 1.4".Height 1.1".NOTE: The contact current ratings shown in the top portion of the ad are a bit misleading because the duration limitations are not explicitly stated there, although they are given elsewhere in the ad. For summary reference, the contact ratings are:* 3A steady state* 10A (* 120A peak (Seems like a decent part. Price perhaps a little high ($18 at the time I ordered it via the Vine program) but no issues, so gave it 5 stars.
Dale C.
Reviewed in the United States on February 14, 2023
Required a faulty device. Relay worked great. Seems to be made well.
ClB
Reviewed in the United States on October 9, 2023
The box is bulky. It's much larger than a relay, but it's also much more versatile. With a minimum input voltage of just 3VDC, it's easy to interface with a microcontroller, even a low-power one like an ESP32 or Pico. The LED indicator is a nice touch, so you can always tell when the box is activated. Good to control a light or even a motor, but I probably wouldn't use it the full 10A, maybe half.
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