Philips Advance Magnetic Ballast ASB-2040-24-BL-TP

The Advance ASB-2040-24-BL-TP is a high-output magnetic sign ballast from the trusted signPRO series, designed for rapid start operation on 120V input. It supports 2 to 4 T12HO fluorescent lamps with a total lamp length ranging from 20 to 40 feet. Engineered for cold weather performance, it reliably starts at temperatures as low as -20°F. UL Type 2 Outdoor listed and compliant with UL Class P and CSA standards, this ballast is ideal for large outdoor signage requiring consistent, safe, and energy-efficient lighting.