Identification & Application Area Lighting Research PT-15 2000W Photocell Fixed Mount 120V The Area Lighting Research PT-15 is a heavy-duty fixed-mount photocontrol designed to automatically control outdoor lighting from dusk to dawn. Engineered for 120VAC electrical systems, the PT-15 provides reliable automatic switching for commercial, industrial, municipal, and residential lighting applications. Its rugged UV-resistant polycarbonate housing is built to withstand harsh outdoor environments while delivering dependable long-term performance. The PT-15 features a heavy-duty SPST thermal bi-metal switch with an integrated 30 to 45 second time delay that minimizes nuisance switching caused by lightning, vehicle headlights, or other temporary light sources. Rated for up to 2,000 watts tungsten and 1,900 VA ballast loads, the photocontrol is compatible with incandescent, HID, and compact fluorescent luminaires. A factory-calibrated turn-on level of 1.5 foot-candles with a 5:1 OFF/ON ratio provides consistent and dependable dusk-to-dawn operation. Designed for maintenance-free outdoor operation, the PT-15 incorporates a fail-ON design, cadmium sulfide (CdS) light sensor, weather-resistant construction, and operates reliably in temperatures from -40°C to +65°C. The photocontrol is UL Listed and designed to meet ANSI C136.10 enclosure requirements, making it ideal for parking lot lighting, security lighting, flood lights, signage, building exteriors, and general outdoor lighting installations. Technical Performance Specifications Brand Area Lighting Research Model PT-15 Product Type Fixed Mount Photocontrol Electrical 120VAC; Operating Range: 105-130VAC; 50/60Hz; Power Consumption: Less than 0.9W Load Rating 2000W Tungsten; 1900 VA Ballast Control Characteristics Turn-ON: 1.5 Foot-Candle; OFF/ON Ratio: 5:1; 30-45 Second Time Delay; Fail Mode: ON Light Sensor Cadmium Sulfide (CdS) Photocell Switch Type SPST Thermal Bi-Metal Switch; Exceeds 5,000 ON/OFF Operations Mounting Fixed Mount with 1/2-Inch Threaded Nipple Construction UV-Resistant Polycarbonate Housing; Zinc Die-Cast Lock Nut; 6-Inch #14 AWG 105°C Lead Wires Operating Temperature -40°C to +65°C (-40°F to +149°F) at 96% Relative Humidity Applications Parking Lot Lighting, Security Lighting, Flood Lights, Billboard Lighting, Commercial Buildings, Industrial Facilities, Residential Exteriors, Outdoor Signage Certifications UL Listed; ANSI C136.10 Compliant Features Automatic Dusk-to-Dawn Operation; Heavy-Duty Thermal Switch; Weather-Resistant Housing; Fail-ON Design Documentation See spec sheet.
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