- Guaranteed protection against extreme surges and severe electric shocks. - Arrangement of 3-core wiring protects live, neutral and earth wires. - With thermal cut-out, additional protection against unforeseen increases in temperature of the varistors and shuts off from the mains supply in the event of power surges. - An extremely short time for the lightning-fast suppression of the surge. - Visual indicator that surge protection is active. - With replaceable 10 A fuse. - Illuminated 2-pole ON/OFF safety switch. - Top quality protection against HF interference by means of an integrated filter. - Interference filters protect connected equipment from interference pulses in the mains and, vice versa, protect the mains from interference from the equipment. - Further protection against interference in ISDN/DSL connections, analogue telephone connections and radio/TV aerials. - Special…