Allen-Bradley 855E-LL10R Indicator Light

855E-LL10R is a red LED indicator lamp designed as a socket-mounted replacement for Allen-Bradley 50 mm stack light modules in the 855E signaling family. It operates on 115V AC full voltage to provide a bright status signal for control panels and automated equipment. The compact unit measures 32.8 mm in diameter and 46 mm in length, and it offers an average nominal lifespan of 100,000 hours for long‑life signaling in industrial environments. Specifically intended for 50 mm stack light installations, this LED lamp plugs into compatible socket‑mount modules within the 855E system, delivering reliable red indication where clear visibility and quick status recognition are required.