The LD Series 12″ Bi-Modal Arrow is a high-performance LED traffic signal module engineered for reliable operation, exceptional visibility, and long service life. Designed to operate in either Yellow→Yellow or Yellow→Green configurations, it provides agencies with a flexible solution for diverse signal applications, including protected/permissive turns and flashing indications.
Built with LEOTEK’s proven optical and electrical technology, the LD Series maintains superior color uniformity, crisp arrow definition, and consistent luminance even after 100,000 hours of operation. Its robust design includes a hard-coated, UV-stabilized polycarbonate lens, complete O-ring sealing for moisture resistance, and a built-in Constant Current Source (CCS) that ensures uniform output across all LEDs. With a fail-state impedance design and multiple wiring options, the LD Series supports safe, reliable integration into new or retrofit signal systems.
Ideal for municipalities and DOTs seeking long-term performance, extremely low maintenance, and industry-leading warranty support.
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