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• Battery: Maintenance-free NiCad (LED-51/52) or NiMH (LED-52-R2)
and compliance with safety standards
• OPTICS - Provide smooth even light without hot spots
tombstones
• High Efficiency T5 ballast with Continuous Cathode Cutout Technology
Keystone KTAT-375-480-277 /A-CP 480V to 277V Step-Down Auto-Transformer Green Creative Lighting • Battery: Maintenance-free NiCad (LED-51/52)ShineRetrofits Input: Keystone's KTAT 375 480 277 A CP Step down Auto Transformer is designed to convert 480V single phase power to 277V. This allows the use of universal voltage (120 277V) electronic ballasts and drivers in 480V applications. It is UL and cUL approved, thermally protected, and rated for up to 50C ambient temperature. Reliable and efficient, it supports LED, T5, T8, CFL, and electronic HID lighting systems. Features: Non Isolated
