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The Allen-Bradley 20G11ND156AA0NNNNN adjustable frequency drive from the PowerFlex 755 series is designed for efficient control using CompactLogix technology, ideal for three-phase applications at a maximum of 480 Volts AC and 650 Volts DC. Engineered for wall-mounting, it features a frame 6 class enclosure, ensuring reliable operation with necessary clearances for optimal ventilation to prevent overheating. This drive is equipped with precharge and DC terminals, supports information tracking for cooling fans and relay outputs, and can self-monitor during runtime, though it requires an external human-machine interface for programming.