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Magnetic Sign Ballast

Magnetic Sign Ballast


Magnetic Sign Ballast 4-12 ft sign ballast, 6-20 ft sign ballast, 12-24 ft sign ballast, 20-40 ft sign ballast, 12-40 ft sign ballast, 24-48 ft sign ballast

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.

Features & Benefits

  • Only 6 Ballasts To Operate 1-6 Lamps From 4-48 Lamp Feet. Cut your inventory by stocking just 6 sign ballasts.
  • Industry Best 3 Year Warranty. You are covered by the strongest warranty in the industry.
  • Outdoor Rated. Proven for use in all climates.


  • Outdoor Plastic Signs
  • Awnings

Magnetic Sign Ballast Table
Max. Input Power Open Circuit Voltage Lamps per Ballast Total Lamp Footage Product
175 W 480 V 1-2 4-12 ft KTSB-0412-12-1-TP
304 W 600 V 2-4 6-20 ft KTSB-0620-24-1-TP
312 W 785 V 2-4 12-24 ft KTSB-1224-24-1-TP
472 W 720 V 2-4 20-40 ft KTSB-2040-24-1-TP
462 W 720 V 4-6 12-40 ft KTSB-1240-46-1-TP
530 W 720 V 4-6 24-48 ft KTSB-2448-46-1-TP

Additional Information

Note: Lamp is NOT included. All Ballast are NOT returnable

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