Boston Gear AC2100B Ratiotrol AC Inverter Motor Speed Controller is a 240 VAC drive designed to provide adjustable speed control for single‑phase AC motors in industrial settings. It is rated for 1 horsepower output (2.2 kVA) and is part of Boston Gear's Ratiotrol line of inverter‑style motor controllers. This model accepts 240 VAC input and is used to vary motor speed on compatible Boston Gear AC motors in applications where simple, robust line‑voltage speed control is required.
