Reliance Electric 1AC4102U AC Variable Frequency Drive

Reliance Electric 1AC4102U GP-1200 Drive Controller is a 2 HP AC variable frequency drive designed to provide controlled speed and torque for industrial motors. It accepts 460 VAC input at 50/60 Hz and is part of the GP-1200 family, a line of drives used for precise motor control in manufacturing and packaging environments. The unit is UL-listed and housed in a NEMA 1 enclosure, suitable for indoor control panels, with an input rating around 3.3 KVA and a maximum input current of about 4.2 A, depending on the configuration. Inside, the drive uses an input/output rectifier and DC bus filtering to manage power conversion and drive operation, supporting Start/Stop control, speed adjustment, Run/Jog mode, and optional Auto/Manual and Forward/Reverse switching. Common applications include conveyors, pumps, fans, and machine tools where reliable speed control of a motor is required. This 1AC4102U designation identifies the specific GP-1200 model used for 2 HP, 460 VAC drive tasks, offering a compact, indoor control solution for medium-size industrial motors.