Description
Keystone KT-LED21T8-48P2S-840-D LED Sign Tube, Ballast-Bypass (no external driver), Double Sided (360°), 48″ long, 21W – 123 lm/W, 4000K, 2600 Lumen, R17d socket, replacement for conventional T12HO and T8HO sign tubes.
Keystone SignHero 360° 48″ LED Sign Tube Features:
Ideal for both single-sided and double-sided signs
123 lm/W and 50,000+ hour lifetime
Installs using existing sockets in the sign; all necessary wiring can be done within ballast raceway
120-277V input
Optical lens over individual LEDs for optimal light spread within the sign
Effective 360° beam spread
Rotatable end caps
Double-sided design provides even lighting in signs with no hot-spotting
Over 50% more energy efficiency than HO fluorescent lamps
UL Classified: LED sign retrofit, evaluated to UL 48 / UL 879A Standards
No external driver or power supply needed
Operating temperature: -20ºC/-22ºF to 55ºC/131ºF
Optimized spacing 6 from the face and 12 on center
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