Plastic Sign Ballast Cross Reference**
Advance Ballast ASB-1240-46-BL-TP
Allanson 672-AT
France 668 DR
Universal Ballast 256-672
Valmont 6G3787AWF / V456L24-36
MagneTek USB-2036-46
Sola E620-F-45650110-TP
Howard MS6/72HO-120
Grainger 6V823
Keystone’s line of sign ballasts makes sign maintenance simple. With only 6 ballasts that cover virtually all common plastic sign configurations, you’re sure to have the right ballast for the job. With Keystone’s quality and dependability, you can count on your installation to last, maintenance-free for years to come.
The Keystone KTSB-1240-46-1-TP, is UL and CUL 935 Listed, and will operate 4-6 lamps and a total lamp footage of 12-40 feet. This plastic sign ballast has an Input Voltage of 120V, has a Rapid Start starting method with 720V Open Circuit Voltage (OCV) and the lamps are connected in Series.
This
Class P ballast is also rated UL
Type 2 Outdoor. Type II safety cans may be used in plastic sign applications without putting the ballast in a separate metal enclosure. The minimum starting temperature is minus 20 degrees fahrenheit and the maximum ballast case temperature is 194 degrees fahrenheit or 90 degrees celsius. This magnetic ballast transformer is
thermally protected and carries a 3 Year warranty (
Link here for the complete Keystone Ballast Warranty). The physical dimensions are 19.19" long x 3.19" wide x 2.69" high.
Keystone Class P fluorescent plastic sign ballasts are ideal for applications such as backlit signs, channel letters, and building fascias, as well as other applications requiring T12/HO Rapid Start Fluorescent Lamps.