Sumitomo HM3105C Gear Motor

Sumitomo HM3105C Gear Motor is a compact, 0.5 HP three‑phase gearmotor that pairs a 1/2 horsepower motor with a 59:1 reduction gearbox in a package marked F-71M. With an input speed of 1,730 rpm (60 Hz), it provides a low‑speed, high‑torque output and yields an approximate output of about 29 rpm, depending on load and drive configuration. The HM3105C is designed for general‑purpose drive duties where controlled speed and torque are required, making it suitable for equipment that benefits from reduced speed and increased torque without a large footprint. This model is part of Sumitomo’s gear‑motor portfolio, offering a robust motor and gearbox integrated in a single unit for straightforward attachment to standard three‑phase power and common mounting schemes. When selecting this model, verify the mounting interface (F‑71M) and ensure the system’s electrical supply and load conditions match the 3‑phase configuration and the motor’s torque requirements to achieve reliable startup and steady operation.