LED tubes in ring shape for electromagnetic ballasts (CCG/VG) and mains voltage. Product features: LED alternative for classic T9 fluorescent lamps in CCG luminaires. Homogeneous illumination. Lifetime: up to 30,000 h. Mercury-free and RoHS compliant. Product advantages: Easy, fast and safe lamp replacement without rewiring. Energy savings of up to 50% (compared to T9 fluorescent lamp on CCG). Also suitable for operation at low temperatures. Operation directly on 230 V mains voltage possible. Fields of application: General lighting in ambient temperatures from -20...+45 C. Corridors, staircases and parking garages. Household applications. Decorative applications. Technical features: Suitable for operation with low-loss and conventional ballasts.