Model Rectifier Corporation Tech 7 AMPAC 700 Train Controller Proportional tracking control yields the most responsive and realistic train operation; 300 degree throttle for extended range control Pilot indicator light shows power is being delivered to the track; Automatic circuit protector disconnects power to the track if an overload occurs Main line direction switch allows you to reverse your direction Fixed A.C. terminals for powering switch machines, lights and other accessories More powerful than others in its class with the ability to pull heavy loads and operate accessories