Keystone KTSB-E-2048-46-UV-S-IP -Sign Ballast | 4–6 Lamps | T8HO / T12HO | 20’–48’ Combined Lamp Length |

Brand: Keystone
Item number: KTSB-E-2048-46-UV-S-IP
UPC: 890949018446
Voltage: 120-277 Volt
Width: 3.15 Inch
Height: 1.18 Inch
Length: 16.75 Inch
Power Factor: >0.90

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$500.00

Model: KTSB-E-2048-46-UV-S-IP

Light bigger, better, and brighter. The Keystone KTSB-E-2048-46-UV-S-IP is built for high-output sign lighting with 4 to 6 T8HO or T12HO lamps across 20' to 48' combined length. Series wiring ensures even lamp performance, while programmed rapid start tech extends lamp life and improves reliability.

With 120–277V input, quiet operation (Sound Rating A), and cold-start performance down to -20°F, this ballast is perfect for tough outdoor installs. Rated Type 2 Outdoor and HL, it meets UL, cUL, FCC Part 18 (Class A), and Class P standards.

⚙️ Specs

Lamps: 4–6 T8HO or T12HO
Lamp Length: 20–48 ft total
Voltage: 120–277VAC ±10%
Start Type: Programmed Rapid Start
Wiring: Series
Sound Rating: A
Min Temp: -20°F (-29°C)
Certs: UL, cUL, FCC Class A, Class P
Application: Type 2 Outdoor, HL Rated

Specification Document

Spec Sheet

Download Full Datasheet

Product Identity

Brand Keystone
Item number KTSB-E-2048-46-UV-S-IP
UPC 890949018446

Electrical

Voltage 120-277 Volt
Power Factor >0.90
Start Method Programmed Rapid Start

Size & Weight / Finish

Width 3.15 Inch
Height 1.18 Inch
Length 16.75 Inch
Material Metal

Light Output & Performance

Certification

UL listed Yes
Compliance FCC
cULus Listed Yes

Wireless Connection

Type

Included

Suitable

Warranty

Manufacturer Warranty Information

Keystone KTSB-E-2048-46-UV-S-IP -Sign Ballast | 4–6 Lamps | T8HO / T12HO | 20’–48’ Combined Lamp Length | provides a comprehensive 5-Year Manufacturer Warranty on this product. We stand by our engineering; this product is warranted for as long.