Used to control the speed of boxes and plastic trays traveling on gravity roller conveyors and spirals or the end sections of sorters, the Interroll magnetic speed controller handles goods weighing from 1 to 77 lb. It includes an eddy current brake, double shielding and a bidirectional braking function. The controller is suitable for a maximum load of 500N and a maximum infeed speed of 2.5m/sec.; the maximum input is 3,000 units/hr.