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Analysis
1. Potentiometer: Adjust the current threshold value, adjust it higher in H direction and lower in L direction.
2. Indicator light: red light, the contact is on; green light, the contact is off.
3. Contact capacity: in any case shall not exceed 0.3A@240V AC/DC.
4. Output contact: dry node, output switching signal
Product Basic Function
Normally open type: outputs a closing signal when the perforation current exceeds the set value. When below the set value, the switch resets and outputs a disconnect signal.
Normally closed type:When the perforation current exceeds the set value, output disconnect signal. When it is lower than the set value, the switch resets and outputs a closed signal.
M3050
Current Sensing Switch
$16.99 | Price | $16.99 |
Normally Open | Contact type | Normally Closed |
≤0.3A@240V AC/DC | Rated load | ≤0.3A@240V AC/DC |
0-30A | Input current | 0-30A |
$16.99 | Price | $16.99 |
Normally Open | Contact type | Normally Open |
≤0.3A@240V AC/DC | Rated load | ≤0.3A@240V AC/DC |
0-30A | Input current | 0-50A |
$16.99 | Price | $16.99 |
Normally Open | Contact type | Normally Closed |
≤0.3A@240V AC/DC | Rated load | ≤0.3A@240V AC/DC |
0-30A | Input current | 0-50A |
- M3056
- M3060
- M3066
DesignManiac
2025-07-10 14:58:54
I like the variable sensitivity. Can also loop an AC leg through the device more than once to increase current sensitivity. The LEDs (powered by AC induction) showing the relay on/off state make problem diagnosis or system calibration much easier.
Marc
2025-06-29 15:21:11
The media could not be loaded.
Zed T. Bear
2025-05-28 10:36:28
I needed a way to automatically turn on peripheral audio equipment when my stereo was turned on.I was concerned that the idle-ON current of my stereo would would be too low to sense but it had no problem with plenty of adjustment.PRO: Worked just fine for my application. Has a wide range of current sensitivity adjustment.CON: Minor inconveniences;- The status LED indicators worked backwards from common convention. Red indicated the output was ON and green indicated the output was OFF.- The current sensitivity potentiometer was difficult to adjust because of the physical smallness of the adjustment screw. It came with a tiny adjustment screwdriver but it was hard to position and hard to keep in the screw slot.
Ronald Dicklin
2025-05-27 11:06:14
Works as advertised and is small (doesn't take up space). I wanted to detect each time a pump ran which then went to a totalizer/counter. Worked perfectly!
G. Miller
2025-04-24 13:43:34
Worked perfect for current sensing logic on my ESP8266. Adjustable trigger point. (They give you a tiny screwdriver for adjusting it.) Self powered LEDs. A couple mounting screws, and a manual showing wiring diagrams for several different applications. Yeah!
James McClure
2025-03-31 09:19:14
It works
craig woods
2025-03-23 18:21:17
The relay went bad after 3 months
Pat
2025-01-29 12:30:49
Great little device! I bought 5 of these to automate the opening of my blast gates when a power tool turns on in my home workshop. One of 5 did not work; it was replaced the next day. Now they all operate as expected and I am a happy wood worker.
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