Leviton Telcom OSSMT-GDE Wall Box Occupancy Sensor

Product Description

The Leviton Telcom OSSMT-GDE is a wall box occupancy sensor designed for automatic lighting control in commercial and residential applications. Operating across a wide voltage range of 120 to 277 volts AC, this sensor eliminates the need for a neutral wire, making it suitable for retrofit installations where neutral access is limited or unavailable. Licensed electricians and electrical contractors typically install this device as part of an energy management or code-compliant lighting control system. The OSSMT-GDE mounts directly into a standard wall box and provides reliable occupancy-based switching to reduce energy consumption in unoccupied spaces.

This sensor is well suited for use in offices, conference rooms, restrooms, storage areas, and similar commercial spaces where automatic lighting shutoff is required. Its no-neutral design makes it a practical choice for retrofitting older wiring configurations that lack a dedicated neutral conductor at the switch location. Installation follows standard single-gang wall box configurations common in commercial electrical work.

Key Features

• Wide voltage range of 120 to 277 volts AC for compatibility across single-phase commercial circuits
• No neutral wire required, simplifying retrofit installations in older or limited-wiring environments
• Wall box mount design fits standard single-gang electrical boxes
• Occupancy-based control supports energy code compliance and reduces lighting runtime in unoccupied spaces
• Sold as an individual unit for single-location replacement or new installation

Compatibility

Designed as an OEM-style replacement or new-installation occupancy sensor for standard wall box applications on 120 to 277 volt AC lighting circuits that do not provide a neutral conductor at the switch location.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize the circuit at the breaker panel and verify the absence of voltage with a meter before beginning work. This sensor requires no neutral wire but confirm load type and wattage ratings are within the device limits before connecting. Follow the manufacturer wiring diagram included with the unit for proper line, load, and ground terminations.