The OSSMT-MD uses PIR (infrared) sensing to detect motion and turn lights ON and both PIR and US (ultrasonic) sensing to keep the lights ON while the area is occupied. PIR sensing provides immunity to false tripping and US sensing provides maximum sensitivity and range. This combination increases the accuracy of the OSSMT-MD in irregular shaped or partitioned rooms where PIR technology alone would not be effective. The sensor also features energy-saving “walk-through” sensing that will automatically turn lights OFF 2-1/2 minutes after momentary occupancy. Additional features include ambient light override to keep lights OFF when there is adequate natural lighting, adjustable field-of-view blinders and a convenient pushbutton for manual ON/OFF switching at any time.
The OSSMT-MD is rated 800W incandescent and 1200VA for magnetic low-voltage and fluorescent lighting at 120V AC, and 2700VA fluorescent at 277V AC. It can be used with magnetic or electronic ballasts and features true zero-crossing switching to ensure maximum relay life and compatibility with electronic ballasts. The OSSMT is part of Leviton’s integrated energy management control offering that includes Leviton occupancy sensors, timers, dimmers and photocells, as well as Centura Daylight Harvesting systems and Architectural Lighting Control Systems.
For more information about Leviton, visit www.leviton.com.