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Cooper Wiring Devices OS310U-W-K Motion-Activated Occupancy Sensor Wall Switch, White

3.3 out of 5 stars 38 customer reviews

List Price: $45.34
Price: $29.93 & FREE Shipping on orders over $35. Details
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Include installation | Estimate $49.47 | ZIP
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90210 Learn more
Light Switch Replacement - Up to 3 Switches

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What's included See more details
  • Removing existing light switches
  • Installing up to 3 customer-supplied switches
  • Checking proper functioning of new switches
  • Clearing packaging material and debris

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  • Pro will contact you within 1 business day to schedule
  • Kick back and only pay when the job is done
  • Backed by Amazon's Happiness Guarantee

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What's included See more details
  • Removing existing light switches
  • Installing up to 3 customer-supplied switches
  • Checking proper functioning of new switches
  • Clearing packaging material and debris
How it works
  • Pro will contact you within 1 business day to schedule
  • Kick back and only pay when the job is done
  • Backed by Amazon's Happiness Guarantee
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Estimate: $49.47
100% positive ratings (5 reviews)
  • Enter your model number above to make sure this fits.
  • 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
See more product details
19 new from $24.00 6 used from $20.99
$29.93 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Cooper Wiring Devices OS310U-W-K Motion-Activated Occupancy Sensor Wall Switch, White
  • +
  • Leviton 80401-W 1-Gang Decora/GFCI Device Decora Wallplate, Standard Size, Thermoset, Device Mount, White
Total price: $30.27
Buy the selected items together

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Color: White

Product Description

Color: White

Product Description

LED SENSOR SWITCH - SAVANT Occupancy/Vacancy Sensor Switches use advanced Passive Infrared (PIR) technology to sense the movement of heat-emitting bodies. Occupancy Sensors provide Auto-on/Auto-off or Manual-on/Auto-off operation while Vacancy Sensors provide Manual-on/Auto-off operation only (CA Title 24 Compliant). The sensors automatically turn lights off after a space becomes vacant and a preset time delay elapses. Both versions provide single-pole (single-location) and 3-way (multi-location) wiring and work with all lighting load types (INC, MLV, ELV, FLR, CFL, LED). A selectable and dimmable LED nightlight is provided. All sensors are compatible with any decorator-style or decorator screwless wallplate.

From the Manufacturer

Cooper Wiring Devices OS310U 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 6.4 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
Warranty Description Cooper Wiring Devices warrants our products against defects in material or workmanship under normal operating conditions during their initial installation for period of 2 years. Cooper Wiring Devices will replace or repair the item provided that it has not been altered or subjected to abuse, accident, improper installation or improper use, and is returned prepaid to Cooper Wiring Devices Quality Assurance Department at the address shown below. If the product has been discontinued and replacement is deemed necessary by Cooper, replacement will be made with the nearest available equivalent model. This warranty does not cover consumables (such as fuses). Proof of purchase in the form of a bill of sale or receipted invoice that shows that the item is within the applicable warranty period must be presented to obtain the repair or replacement provided by the warranty.

Additional Information

ASIN B004R1PL3O
Customer Reviews
3.3 out of 5 stars 38 customer reviews

3.3 out of 5 stars
Best Sellers Rank #98,569 in Home Improvements (See top 100)
#40 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

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

From the Manufacturer

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
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
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 Verified Purchase
I found the unit to work exactly as advertised, no problems there. Just installed my second unit. The first went into a small mud room between the garage and kitchen with the laundry room off it as well. We were always going through there with something in our hands, often just passing through or in and out in a few seconds. I set the dwell to five seconds. Room is small enough so that one is always in front of the sensor and there is always enough motion to keep it on, but turns it right off as soon as you leave. The second on went in my basement workshop. Again, I often entered with something in my hands. Now the lights come on as I enter. Here I set the dwell to five minutes as I am sometimes a little away from the sensor and somewhat motionless at the workbench.

First, make sure you buy the right unit for what you want. Cooper makes two identical looking and very similarly packaged switches. The OS3… is auto on/auto off, while the VS3… is manual on/auto off.

Second, these units take up a lot of space in your outlet box. Unlike the simple on/off switch it usually replaces, this boy has some volume to it. And you have to squeeze in a couple more wire nuts. And you have to connect to the existing neutral (white) which in one of my cases, already had four wires tied together. Depending on what else is in your box, it may get very crowded. Make sure all your nuts are really tight and won’t come off when you bend and squeeze them in.

Third, if they are clever enough to make a 5 second, 5 minute, 15 minute, and 30 minute dwell, why not go for 60 seconds as well. I would have liked that. And while there is no “indent” between the four timings, you cannot “ooch” it over between settings to get 45 or 60 or 120 seconds. I tried and failed.
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Cooper Wiring Devices OS310U-W-K Motion-Activated Occupancy Sensor Wall Switch, White
This item: Cooper Wiring Devices OS310U-W-K Motion-Activated Occupancy Sensor Wall Switch, White
Price: $29.93
Ships from and sold by Amazon.com
Want to discover more products? Check out these pages to see more: decorator light switch, wall switch occupancy sensor