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Eaton OS310U-W-K Motion-Activated Occupancy Sensor Wall Switch, White

3.8 out of 5 stars 42 customer reviews
| 3 answered questions

Price: $25.40 & FREE Shipping on orders over $49. Details
Only 16 left in stock (more on the way).
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White
Include installation | Estimate $90.95 | ZIP
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  • Removing existing light switches
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Estimate: $90.95
100% positive ratings (7 reviews)
    This fits your .
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  • Single Pole or 3-Way (control one light from two locations)
  • Works with all popular load types: Incandescent, Magnetic Low-Voltage, Electronic Low-Voltage, Fluorescent, Compact Fluorescent (CFL) and LED
  • Occupancy Sensor provides a selectable ambient light override preventing lights from switching ON when there is acceptable natural light
  • Provides 180 Degree field of view and 1000 square feet of major motion coverage
  • Fits in standard wall box; replaces standard switch for light control
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$25.40 & FREE Shipping on orders over $49. Details Only 16 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

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  • Eaton OS310U-W-K Motion-Activated Occupancy Sensor Wall Switch, White
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Color: White

Product Description

Color: White

The Eaton OS310U-W-K Motion-Activated Occupancy Sensor Wall Switch: Can be wired as a Single-Pole or 3-Way device. Selectable ON/OFF LED nightlight with press and hold dimming function. Works with all popular load types: Incandescent, Magnetic Low-Voltage, Electronic Low-Voltage, Fluorescent, Compact Fluorescent (CFL) and LED. Green LED indicates load status, provides locator light in dark and blinks to indicate motion detection. Push pad design provides minimal travel and crisp actuation. Replaces a standard light or fan switch. Provides 180 Degree field of view and 1000 square feet of major motion coverage. Provides 3-Way operation when used with a 3-Way switch or sensor. Selectable time delay of 5 seconds (test), 5 minutes, 15 minutes and 30 minutes for lights to remain on after room is vacated. Walk-in-Delay feature allows sensor to turn lights off without time delay when motion is detected briefly in room. Occupancy Sensors time delay default set to 5 minutes; Vacancy Sensors time delay default set to 30 minutes. Occupancy Sensor provides a selectable ambient light override preventing lights from switching ON when there is acceptable natural light. Occupancy Sensor Version allows to toggle between Auto-ON/Auto-OFF or Manual ON/Auto-OFF mode with a simple press and hold of switch. Occupancy Sensor provides for a bypass feature to allow the sensor to perform as a traditional switch (Manual ON/Manual OFF). Electrostatic discharge protection. No leakage to load in off mode. Uniform color matched PIR lens to device housing Color change faceplate kits provide for a simple in field change. Mid-Size decorator wall plate included with product. Neutral required for installation of device.

Product Information

Color:White

Technical Details

Part Number OS310U-W-K
Item Weight 7.2 ounces
Product Dimensions 4.2 x 2.4 x 6 inches
Item model number OS310U-W-K
Color White
Finish White
Item Package Quantity 1

Additional Information

ASIN B004R1PL3O
Customer Reviews
3.8 out of 5 stars 42 customer reviews

3.8 out of 5 stars
Best Sellers Rank #203,151 in Home Improvements (See top 100)
#66 in Home Improvement > Electrical > Switches > Wall Switches > Motion-Activated Switches
Shipping Weight 6.4 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available February 28, 2011

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Color: White
I'm not sure why there is such polarization (forgive the pun) of opinion on this product. I have found it to work as advertised in several installations. The wire colors used fit the standard convention, so there is no confusion about how to wire it. The only odd wire is the blue one, which is only used for a 3-way installation, and their diagrams are quite clear. As is typical with these devices, the delay time is adjusted with a small screw and adjustment is pretty coarse in terms of exact time. However, I was quite able to adjust it for delay times even under 5 minutes.

I can see how there could be a problem with this device if you were replacing a single switch that did not have a neutral in the box. The night light would not work for sure. I don't know how it would affect the function of the motion sensing switch. I have used other Cooper motion switches that do not require a neutral, so I assume this one would work all right.

This motion sensor is a bit pricey at better than $30. But if it works, it's worth it. Seeing the severe issues people have had with it, I'm wondering if this is a quality control problem for the company.
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Color: White Verified Purchase
I wanted a motion-detecting light switch that also had a nightlight. I use them in the bathrooms; the nightlight provides enough light in the middle of the night that I don't have to turn on the main lights and then have night blindness as a stumble back to bed. (OK, TMI, but that's my main application)

I purchased several of these and also similar units from Leviton (OSSNL-IDW). So far all have worked, but the reliability and feature set of the Cooper units makes them preferable to the Leviton versions. I'll compare both below:

Both have motion-sensing and can be used as just manual on / auto-off and as auto on and off. I use them both ways; manual on in the master bath and auto-on in the guest bath and garage. The timeout duration is controlled by a rotary setting on both, but while it seems to not have any "stops" both units only allow 3 durations for the timeout. I have had older switches where these potentiometers get flaky after a while so this may be better. Neither will dim the lights (making them suitable for some flourescent lights and LEDs that can't be dimmed).

Both do an adequate job of sensing motion and turning the lights on and then off after a delay. My Levition unit has been intermittent, sometimes not turning the lights on and sometimes not turning them off, but right now it seems to be working normally. I'll keep my fingers crossed.

Both have a nice nighlight that you can enable, it shines through the manual button on the Cooper and through the IR window on the Leviton. The Cooper nightlight is brighter, and it also can be set to a preset dim level over a wide range of brightness. This is fantastic. The Leviton dim level is fixed and less pleasing to look at as it has the IR fresnel lens distorting it.
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Color: White
I bought two for the same room.

One works great -- one doesn't.

It goes to turn itself off, and immediately flips right back on. I thought -- huh odd, so I decided to change it to manual on, auto off. Well, the unit would turn itself off, and then right back on -- forever.

I bought this to save energy -- so having it never turn off is quite disappointing. Perhaps customer support (currently closed) will help.

The wiring however was simple and straight forward. Just make sure you have a neutral and a ground in the box.

Edit: After using these switches for a little less than a year -- we're going to get rid of them for a number of reasons:

1) The switches tend to detect the light turning off as movement -- which causes them to turn back on, right after turning off. This is a huge annoyance.

2) The motion detectors can't see through interior glass. We have one in a bathroom, that is pointed right at the shower. It turns off when you're in the shower. You have to open the door and wave to get the light back on.

3) The switches are poorly designed. Guests always ask us how to turn on or off lights. The button area looks the same as the motion area and people don't know they should push the bottom area. Instead they push the button for the nightlight, because it's in the middle and clearly looks like a button. So guests push the nightlight and the nightlight turns off, but the main light stays on. Along with the nightlight there is a green light. Very confusing...
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Color: White Verified Purchase
This is the only switch I have found with this unique feature set and it does the job very well. Let me explain, I wanted a motion detecting switch that I can also defeat in a bedroom situation where you'd want the light to stay off, despite movement - like when you are sleeping. I did look at the Leviton PR-180 switches which would have met my needs, except for my lights are all LED or Compact Flourescent and the Leviton offerings dont' work with these.

The Cooper OS310U has a relay built into the switch so it's happy working with any kind of bulb. You do get the audible click when the relay fires, which might bother some, but I've gotten used to it.

The defining feature for me is the nightlight-bedroom mode which you enable by holding the nightlight button down for 5 seconds until it blinks. What this does is force the light into a manual-on mode if and only if the nightlight is on. This means you can go to bed, or watch movies in the dark, or whatever you'd want to do without the light coming on due to motion.

To be honest, I like the Leviton PR-180's functional design with its very obvious On/Off/Auto slider switch and I really don't need the nightlight feature, but after extensively searching, I can't find any other switch out there that does all of this and also works with CF and LED bulbs.

Others have pointed out the wiring requirements are more extensive as compared to other switches, but it does also work in a 3-way (two switch) configuration. You'll need to ensure you've got ground, hot, load, and neutral with the optional 3-way configuration also needing the traveler, so up to 5 connections might be a little daunting. If at all unsure, hire an electrician for health and safety.
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