Boston Gear's Beta Plus Ratiotrol DC Motor Controller, model RBS2-B, is a 2 hp, 230 V nonregenerative DC motor controller in the Ratiotrol Beta Plus family. As a single-phase adjustable-speed controller, it is specified for DC motors in the 1/6–3 HP range and is designed to work with Beta Plus remote stations and controller models such as RBS2, RBS3, and RBS2B, including compatibility with the RCS3D remote operator station. This controller provides precise speed adjustment for DC motors in industrial equipment by regulating DC voltage to the motor under a nonregenerative operation scheme.
