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About products
- Action Type : Momentary
- Actuator Type : Roller Lever Arm
- Contact Type : 1NO + 1NC;SPDT
- Terminal Type : 3-Pin Terminals
PCB Terminals Circuit Board With Roller Lever Limit Working principle
1.By external mechanical force transmission elements (by pins, buttons, levers, rollers, etc.) will be used to force action on a reed, 2.Producing reed instantaneous action when action shifted to the critical point, 3.so moving contact with the fixed contact spring at the end of the action point fast on or off. 4.When the force is removed on the drive components, 5.Action reed produce reverse action force transmission element reverse stroke 6.The action reaches a critical point reed, instantaneous reverse action.
Product description
Product Name : Micro Switch
Overall Size : 20 x 6.5 x 13.5mm / 0.79" x 0.26" x 0.53" (L*W*H).
Mounting Hole Dia. : 2mm / 0.08";Mounting Hole Spacing : 9.5mm / 0.37";Pin Pitch : 7.2 x 9mm / 0.28" x 0.35".
Lever Arm Size : 17.5 x 4mm / 0.69" x 0.16" (L*W);Roller Size : 5 x 3mm / 0.2" x 0.12" (D*T).
10Pcs KW12-3 Micro Limit Switch Roller Lever 5A 125V Open/Close Switch Features: Operating temperature: -40°C to 70°C
Feature
contact spacing is small,short stroke action,according to the power of small,fast-break Application: Apply in A computer mouse, car mouse, automobile electronic products, communications equipment, military products, test instrument, gas water heater, gas burner, small home appliance, microwave oven, electric rice cooker, floating ball supporting equipment, medical equipment, building automation, electric tools, ect. Package included: 10 x Micro roller switches
Aerospace Startup in California
Reviewed in the United States on October 24, 2024
Weird bluish oxide layers on the terminals prevented solder from properly wetting - even with a good and thorough application of flux. All switches in the bag had this problem. A previous order had no such defect. It's hit and miss with these, I guess.
Ivan K.
Reviewed in the United States on August 5, 2023
Used for a small electronics project. The leads are easy to solder to and the actuation is nice and precise. No idea if it's good value for the money but I fell like I paid for a good product
John Guerini
Reviewed in the United States on August 31, 2021
This switch was built very well and seem to be better quality than he switch I replaced
Customer
Reviewed in the United States on July 31, 2021
Not sure if the build quality is equal to an omron branded switch but it has worked fine for me. I am using them as a limit switch for a CNC plasma table. It has held up well to the heat and stressfull enviroment so far. Like having extras because this table malfunctions sometimes and the switch never lives through it.
Juan
Reviewed in the United States on February 18, 2021
Very well build and great price
Ben Lee Mason Jr
Reviewed in the United States on January 21, 2021
This small momentary switch can be used as normally opened or normally closed. Accidentally used wrong post when I set it up initially, so the the light came on when I closed the door (Ha!Ha!) Changed post and it works great. it is very small and a little difficult to hold while soldering wires to posts, but this also means it is discreet and not very visible. Used it to control 120V AC with no issues. There are 10 in package , so a great value. In the old days, I would have just driven down to RadioShack to get these. Now, I couldn't find them anywhere in town. Thankfully, I got them from Amazon in a couple of days.
Computer Science Laboratories
Reviewed in the United States on July 1, 2020
They look good but BEWARE they are very small! Not what I expected! A standard spade wont fit it.
RacerX
Reviewed in the United States on March 27, 2020
product as described with quick delivery, thanks!
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