The document provides information about BSOA Series brushless servo amplifiers from Electromate. It describes the features and specifications of models 880A40, 860A40, 880A20, 8E80A40, BE60A40, and BE80A20. These amplifiers are designed to drive brushless DC motors and include fully adjustable current limits, input modes, and commutation settings. The document provides details on connections, setup, and operation for closed-loop control of brushless motors.