ABB 3HAB8801-1 2B DSQC-266G Servo Drive Board

ABB 3HAB8801-1/2B DSQC-266G servo amplifier board is a DSQC-series servo drive module designed to power and control servo motors in ABB robotic arms. The board is listed under part numbers 3HAB8801-1/2B and is described as the DSQC-266G servo amplifier board for robotic arm drive, a compact dual-card device intended for integration into legacy ABB control systems. According to distributor catalogs, it weighs about 0.30 kg and features dual card-side connectors, with some variants noting a high-voltage relay output configuration. Several listings indicate the part is discontinued by the manufacturer, and it is commonly encountered in used or refurbished condition for repair, retrofit, or spare-parts goals within older ABB installations. In operation, the DSQC-266G board serves as the servo drive interface that translates control signals into precise motor current, forming a core element of ABB automation stacks where accurate positioning and torque control are required.