Independent IP20 electronic ballast, for internal use, usable for lighting fixtures in protection class II. Suitable for connection with emergency appliances according to EN 60598-2-22. Ignition with preheating to increase the life of the lamp. Protections: extra mains voltage; disconnection of the lamp (re-ignition with preheating); faulty lamp; against partial rectification (EOL T.2), according to EN 61347-2-3 (par. 17.3); end of life lamp.