Timer Switch, Digital, Programmable, 120-277V, White – Programmable Digital Timer The Leviton TS300 Programmable Digital Timer is designed for precise control of indoor incandescent, fluorescent lighting, and motor loads such as fans and circulating pumps. Suitable for commercial applications, this wall switch timer supports 120/230/277VAC operation at 50/60Hz frequency, providing energy-saving timed override functionality. It complies with energy codes including Title 24, IECC, and ASHRAE 90.1, making it ideal for electrical distributors and lighting solutions providers seeking reliable programmable switching devices. The unit features 2-hour and 4-hour preset timers with customizable settings via dip switches and supports 3-way and multi-way switching without requiring a neutral wire. Specifications Voltage: 120/277VAC Frequency: 50 hertz Load Rating (120VAC): 15A Resistive, 10A Ballast, 1200W LED lamp driver, 8A Tungsten, 1/4 HP Motor, 360VA Pilot duty Load Rating (277VAC): 15A Resistive, 10A Ballast Operating Temperature Range: 32 to 122°F (0 to 50°C) Relative Humidity: 0-95% Dimensions: 4.2” (106.68mm) H x 1.8” (45.72mm) W x 1.65” (41.91mm) D Construction: High-impact, injection-molded plastic Color: White Grade: Commercial Mounting Type: Wall Switch Country of Origin: China UL and cUL Listed Compliance: Title 24, IECC, ASHRAE 90.1 Product Weight: 4.9992 lbs Features Digital programmable timer with 2-hour and 4-hour presets Controls incandescent, fluorescent lighting, and motor loads Visual and audible turnoff warning options (beeper and blink) Supports 3-way and multiple-way switching configurations No neutral wire required for installation Dip switch feature control for custom timing and warning settings Backlit LED display for easy programming and status indication Wallplate locks access to dip switches for tamper resistance Zero arc point switching for extended switch life No minimum load requirement Dual voltage operation (120/277VAC) Energy code compliant for ASHRAE 90.1 and 2016 Title 24, Part 6 countdown timer switch requirements Downloads & Links TS300 Digital Programmable Wall Box Timer English Installation Instructions DI-000-TS300-05A TS300 Programmable Digital Timer Data Sheet TS300 Digital Programmable Wall Box Timer French Installation Instructions DI-000-TS300-55A TS300 Digital Programmable Wall Box Timer Spanish Installation Instructions DI-000-TS300-45A