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Leviton OSSMT-MDW Wall Switch Occupancy Sensor, Matte White
The Leviton OSSMT-MDW is a wall-switch style occupancy sensor designed to replace a standard toggle or decora switch and automatically control connected lighting based on room activity. Finished in Matte White (MDW) to blend cleanly into modern wall plates and decora-style openings, the OSSMT-MDW is built for everyday commercial and residential lighting control applications where hands-free, energy-conscious operation is desired. As part of Leviton's OSSMT occupancy sensor switch line, this device is intended as a drop-in upgrade for single-pole and multi-location switch positions where automatic on/off lighting control is needed.
Key Features
- Wall Switch Form Factor: Installs in a standard wall switch opening in place of a conventional toggle or decora paddle switch for a clean, integrated look.
- Occupancy Sensing Control: Automatically manages connected lighting loads based on detected room occupancy, helping reduce lights left on in unoccupied spaces.
- Matte White Finish: The MDW designation indicates a Matte White finish that coordinates with Leviton decora-style wallplates and trim for a coordinated wall appearance.
- Leviton OSSMT Series: Part of Leviton's recognized OSSMT occupancy sensor switch family, built for reliable, repeatable switching performance in everyday lighting circuits.
- Simple Retrofit Design: Designed to fit into existing single-gang and multi-gang switch locations without requiring specialized mounting hardware.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Typical Applications
- Offices and Private Workspaces
- Conference and Meeting Rooms
- Restrooms and Break Rooms
- Residential Hallways, Closets, and Utility Rooms
- Retrofit Upgrades of Existing Switch Locations
Why Leviton?
Leviton is a long-established name in wiring devices and lighting control, and the OSSMT-MDW occupancy sensor switch continues that focus by offering a straightforward, wall-switch-based automatic lighting control solution finished to match common decora wall trim. Choosing the OSSMT-MDW gives professionals and homeowners alike a recognizable, Leviton-branded path to automated lighting control without a complex retrofit. For full electrical ratings, wiring diagrams, and installation guidance, always consult Leviton's official product documentation before specifying or installing this device.
Manufacturer Resources
Product Specs
- list_batch:
- LEV-20260924
- Product Type:
- Occupancy Sensor Switch
- Series:
- OSSMT
- Department:
- Electrical
- Product Subgroup:
- Lighting Controls & Sensors
- Product Color:
- Matte White
- Product Group:
- Wiring Devices
Leviton OSSMT-MDW – Frequently Asked Questions
1) Can the Leviton OSSMT-MDW replace an existing toggle switch in a standard wall box?
That's exactly what it's built for. The OSSMT-MDW mounts in a standard wall switch opening in place of a conventional toggle or decora paddle switch, and it fits existing single-gang and multi-gang switch locations without special mounting hardware. So for a retrofit where you want lights to turn on and off with room activity instead of by hand, it drops into the box you already have.
2) Will the OSSMT-MDW work in a three-way (multi-location) switch position, or only single-pole?
Leviton describes the OSSMT occupancy sensor switch as a drop-in upgrade for single-pole and multi-location switch positions, so it is intended for both. Multi-location means the sensor works alongside another control point rather than as a traditional mechanical three-way pair, so plan the wiring accordingly at each box.
3) Does the Matte White finish on the OSSMT-MDW match Leviton decora wallplates?
Yes. The MDW suffix is Leviton's Matte White, and it is meant to coordinate with Leviton decora-style wallplates and trim. If you are standardizing a floor of offices on matte white devices, the sensor will read as part of the same set rather than a mismatched bright white paddle.
4) What part number do I order for the matte white Leviton wall switch occupancy sensor?
Order OSSMT-MDW. That is the manufacturer part number for the Matte White version of Leviton's OSSMT wall switch occupancy sensor, and it is the single model in that finish.
5) Is a wall switch sensor like the OSSMT-MDW the right choice, or should I use a ceiling-mounted occupancy sensor?
A wall switch sensor is the simpler pick when there is already a switch box on the wall serving the lights and the room is small enough to be covered from that one wall, offices, private workspaces, restrooms, break rooms, closets, hallways and utility rooms. Ceiling sensors are the better answer for large open rooms, spaces with partitions or aisles, or where the switch leg does not sit where you need coverage, since a wall device only sees what is in front of it.
6) Will the OSSMT-MDW control my lights automatically without anyone touching the switch?
Yes. The sensor switches the connected lighting load based on detected room occupancy, so lights come on when someone is in the space and shut off when it empties. That is the main reason property managers put these in restrooms, break rooms and storage areas where lights routinely get left burning.
How fast can I get the Leviton OSSMT-MDW delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Leviton OSSMT-MDW come with a warranty?
Absolutely. The Leviton OSSMT-MDW is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Leviton OSSMT-MDW?
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