Pro external resistor controllers now feature an all new red printed circuit board control module with heavy duty brass wiper contacts in an all new layout. New supersize triple plated silver power contact, built in emergency fuse bypass, 2 ohm variable brake rheostat with off position, 100 watt resistor, 10 amp brake line fuse, 18GA and 10GA silicone leadwire, Parma handle and stainless steel hardware are standard. The computer routed module has 3 auxiliary mounting holes to install a choke bypass switch or other options.
Difalco - DD271 - Slot Car Controller - Genesis HD30 PRO BRAKE W/RELAY (Slot Cars)
This controller is Dual Polarity with a blast full power relay. This controller has a larger heat sink/transistor module. This controller is designed to run from 16D to Group 27 cars.