20DC170A3NNNA1NNA

The adjustable frequency AC drive, part number 20DC170A3NNNA1NNA from Allen-Bradley, is specifically designed for three-phase systems operating at 400 volts AC. With a normal duty current capacity of 170 amps, this unit is suited for demanding applications within industrial settings.

Its enclosure, rated IP20 and compliant with NEMA Type 1 standards, provides adequate protection for indoor use while allowing for efficient thermal management. Operability is enhanced via a full numeric LCD, granting users straightforward access to monitor and adjust settings directly on the device. However, this product does not come with any accompanying documentation.

This drive does not feature an integrated brake, yet it provides flexibility with its adjustable bus undervoltage trip, allowing custom settings based on system requirements. A notable aspect of this device is its heat sink thermistor, which is actively monitored by a microprocessor to prevent overheating during operations.

In terms of operational stability, the unit is designed with logic control ride-thru capabilities that maintain functionality for up to 0.25 seconds when not in use. Furthermore, it supports power ride-thru for brief instances, lasting 15 milliseconds while under full load, ensuring minimal disruption in performance during voltage fluctuations. Overall, the 20DC170A3NNNA1NNA serves as a reliable component in managing complex motor control systems.