This is a switched mode power pack for connections to and for powering the 60216, 60226 and 60214/60215 Central Station and the 60175 and 60174 Booster. Input 120 volts / 60 Hertz / output 19 volts / 100 watts DC voltage. Connection: 4-pin mini-DIN high current plug.The wire cross section from the Central Station to the track must be at least 0.5 square mm / approximately 0.0016 square inches or 20 gauge!Recommended only for 1 Gauge.