Eaton OSP10-A Occupancy Sensor Switch - No Neutral Connection
Part Number: OSP10-A
Quick Summary
The Eaton OSP10-A occupancy sensor switch is a reliable, hands-free lighting control device designed for commercial and industrial spaces. It helps facilities reduce energy use and maintenance by automatically turning lights on or off based on occupancy. This maintained sensor operates on 120/277 V and covers up to 1000 sq ft, making it suitable for conference rooms, hallways, and open offices. Certified to NOM and cULus standards, it meets essential safety and regulatory requirements while simplifying retrofits with a flush-mount, single-pole installation. By combining robust sensor performance with straightforward wiring, it delivers tangible business value through improved energy efficiency and simplified project timelines.
Product Information
Extended Description
OSP10-A Eaton: Occupancy Sensor Switch, Maintained, Incandescent, MLV, ELV, fluorescent, halogen, electrical motor loads, Flush, Single-pole, Single-phase, 1000 sq ft coverage, No neutral connection, Sensor, 120/277 Vac, 800W (Incandescent/halogen 717376
Product Name
Eaton occupancy sensor switch
Catalog Number
OSP10-A
UPC
032664717376
Product Length/Depth
3 in
Product Height
5.13 in
Product Width
3.3 in
Product Weight
0.496 lb
Certifications
NOM cULus Listed
Special features
No neutral connection
Type
Occupancy sensor switch
Voltage rating
120/277 V
Number Of Poles
Single-pole
Phase
Single-phase
Power consumption
2200 W (FLR at 277 V) 800 W (INC/HAL at 120 V) 1200 W (FLR at 120 V)
Wiring method
Wire leads
Sensor type
Occupancy
Mounting method
Flush
Closure type
Maintained
Load type
Electrical motor loads INC FLR HAL MLV ELV
Number of ways
Three-way
Relay
Single
Range
1000 sq ft
Color
Almond
Feature: No neutral connection enables simpler retrofits and safer wiring in existing panels. Business impact: reduces installation time and cost, minimizes wiring changes, and lowers project risk. Application: retrofit offices and public corridors where a neutral conductor is not available. Feature: 120/277 V compatibility and maintained operation support a wide range of load types. Business impact: ensures reliable performance across incandescent, halogen, fluorescent, and motor loads, improving occupant comfort while maintaining code compliance. Application: multi-load environments such as lobbies and classrooms with mixed lighting. Feature: 1000 sq ft coverage and three-way capability provide flexible control in medium-to-large rooms. Business impact: consistent occupancy sensing across open layouts reduces energy waste and supports scalable lighting strategies. Application: conference suites and teaching spaces requiring dependable multi-point control. Feature: Wire leads and flush mounting simplify installation and achieve a clean aesthetic. Business impact: minimizes visible hardware, accelerates commissioning, and enhances maintenance access. Application: new builds or renovations prioritizing fast installation and professional finishes. Feature: Certifications NOM and cULus Listed ensure safety and regulatory alignment. Business impact: supports compliance documentation and reduces risk during audits. Application: electrical projects in regulated markets seeking proven, trusted components.
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FAQs
The OSP10-A is designed for single-pole, single-phase circuits with a no-neutral connection. It uses wire leads for easy surface or flush mounting and is compatible with 120/277 V lighting loads. When retrofitting, verify that the existing box and conductors support the sensor’s load requirements and that the fixture type (INC, HAL, FLR, MLV, ELV) matches the device specifications to ensure reliable operation.
The OSP10-A operates at 120/277 V and supports 800 W for incandescent/halogen at 120 V, 2200 W for fluorescent at 277 V, and up to 1200 W for fluorescent at 120 V. It is a three-way capable, single-pole, single-phase device, suitable for a variety of lighting loads including MLV and ELV with no neutral required.
Yes, the OSP10-A supports electrical motor loads and is designed for versatility across INC, HAL, FLR, MLV, and ELV applications. Its maintained closure type provides continuous control without cycling, which is beneficial for spaces with turning fixtures on for extended periods, such as workshops or manufacturing corridors.
The OSP10-A is NOM and cULus Listed, ensuring compliance with safety and performance standards in many markets. These certifications support regulatory alignment, ease of procurement for regulated projects, and provide confidence during audits or inspections for institutional and commercial deployments.
Expect measurable energy savings from occupancy-based control, reduced wiring complexity from the no-neutral design, and faster commissioning with flush mounting. The unit’s compatibility with common commercial lighting loads and its robust certification profile translate to lower total cost of ownership and a quicker return on investment.