Single-Ended NEMA Fixtures (SEN) by Steril-Aire

SEN Series

Better buildings start with Steril-Aire Single-Ended UVC Fixtures (SE Series).

Steril-Aire’s single-Ended, NEMA 4X (SEN) Fixtures are ideal for exterior air handling units, including rooftop units, AHUs, heat pumps, fan coils, packaged terminal units and ducts. Emitters sold separately.

Steril-Aire Single-Ended NEMA 4X (SEN Series) fixtures combine the externally mounted design of the SE Series with a weather resistant NEMA 4X fixture. Installed from the exterior of rooftop A/C units or ductwork, they are ideal for rooftop air handling units. The devices may be installed vertically or horizontally. The SEN Series supports seven lengths of Steril-Aire Emitters — 12″, 16″, 20″, 24″, 30″, 36″ and 42″ — with a 120-277 V, 50/60 Hz universal power supply.

From reducing energy consumption and controlling costs, to optimizing human and mechanical productivity, UVC solutions from Steril-Aire continually benefit your building.

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Benefits of Steril-Aire SEN Series UVC Emitters

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Proven UVC technology, backed by science

Ultraviolet germicidal irradiation is proven to be effective inactivating mold, bacteria and viruses.

Energy Savings

Lowers energy costs by restoring heat transfer and airflow uniformity across the coils.

Improves Indoor Air Quality

Steril-Aire destroys HVAC biofilm, preventing the growth and distribution of airborne pathogens in occupied spaces.


Produces no ozone or secondary contaminants.

Improves Operational Efficiency

Eliminates costly HVAC cleaning programs and extends equipment life.

Cost Effective

ROI is typically less than 2 years.


UL, CUL, CE and other agency listings.

SEN Series Product Information

SEN Cut SheetDownload
SEN Cut Sheet pdf sheet thumbnail
SEN Installation KitDownload
SEN Installation Kit pdf sheet thumbnail