Eaton OS310U-A Occupancy Sensor Switch - cULus NOM
Part Number: OS310U-A
Quick Summary
OS310U-A occupancy sensor switch by Eaton provides automatic lighting control for 120V spaces such as offices and hallways. Manual switching often wastes energy and increases maintenance by leaving lights on unnecessarily, so a smart sensor reduces operating costs and carbon footprint. This device carries cULus Listed status and NOM compliance, helping meet regional safety and regulatory requirements. With motion sensing and a built-in nightlight, it enhances safety and usability in corridors and common areas while offering flush installation and straightforward integration with existing wiring. For facility managers, the combination of 3-way capability and wide load compatibility delivers measurable efficiency gains without complex retrofits.
Product Information
Extended Description
OS310U-A Eaton: Eaton occupancy sensor switch, Motion sensor with nightlight, Flush, 120V, Wire leads, Maintained closure, Almond, Incand, MLV, ELV, Flrsnt, CFL, LED, halo, 1-pole, 3-way, 1-phase, 1000 sq ft, Occupancy, 1000W 710810
Product Name
Eaton occupancy sensor switch
Catalog Number
OS310U-A
UPC
032664710810
Product Length/Depth
3.31 in
Product Height
5.44 in
Product Width
2.88 in
Product Weight
0.001 lb
Certifications
cULus Listed NOM
Special features
Motion sensor with nightlight
Type
Occupancy sensor switch
Voltage rating
120 V
Number Of Poles
Single-pole
Phase
Single-phase
Power consumption
1000 W
Wiring method
Wire leads
Sensor type
Occupancy
Mounting method
Flush
Closure type
Maintained
Load type
ELV FLR LED INC CFL HAL MLV
Number of ways
Three-way
Range
1000 sq ft
Color
Almond
Feature → Business Impact → Application: Motion sensor with nightlight provides automatic illumination when occupancy is detected, reducing energy use and improving safety in dim environments; ideal for hallways, restrooms, and stairwells where presence is intermittent. This translates to concrete energy savings and longer bulb life, supporting sustainability targets and lower operating costs. Feature → Business Impact → Application: 120 V single-pole and 3-way operation, with support for ELV, FLR, LED, INC, CFL, HAL, and MLV loads, enabling flexible control across multiple circuit configurations; reduces inventory needs and simplifies retrofits in mixed-load environments such as offices and schools. Feature → Business Impact → Application: Flush mounting with wire leads delivers a clean aesthetic and faster installation, minimizing labor costs during retrofits or new builds and improving compliance with space design standards. Feature → Business Impact → Application: Coverage up to 1000 sq ft ensures consistent sensing in mid-size rooms and open plans, enabling reliable occupancy detection in conference rooms and large offices. Feature → Business Impact → Application: Maintained closure and nightlight support enhance user experience in low-light conditions, reducing glare and ensuring safety during nighttime access in corridors and stairways. Feature → Business Impact → Application: cULus Listed and NOM compliance provide regulatory assurance for North American and Mexican installations, reducing risk during inspections and facilitating cross-border projects.
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FAQs
Yes. The OS310U-A supports single-pole and three-way configurations, enabling flexible control across multiple locations. Its flush mounting and wire-lead installation simplify retrofits and new installations in hallways, offices, and classrooms, delivering a clean, low-profile look while maintaining reliable occupancy sensing and nightlight functionality.
The OS310U-A is rated for 120 V with a 1000 W maximum load. It is compatible with ELV, FLR, LED, INC, CFL, HAL, and MLV lighting loads, ensuring broad compatibility across modern luminaires and dimmers. This versatility helps reduce inventory and ensures dependable performance across mixed-load environments.
The nightlight feature is ideal for corridors, stairwells, restrooms, and entryways where low-level illumination improves safety without full lighting. It provides subtle guidance during low-ambient conditions while the occupancy sensor manages full lighting, balancing safety, comfort, and energy efficiency in commercial and educational facilities.
The OS310U-A carries cULus Listed and NOM certifications, indicating compliance with US, Canadian, and Mexican safety and performance standards. These markings support code compliance, reduce inspection risk, and simplify cross-border procurement for facilities with multinational installations.
By automating lighting control, the OS310U-A delivers measurable energy savings and reduces manual on/off cycling. Its long-term reliability lowers maintenance visits, while 3-way compatibility and nightlight support reduce wiring changes during upgrades. This translates to lower total cost of ownership and faster payback in office, education, and commercial spaces.