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Allen Bradley PowerFlex 700S 20DD077A3NNNA2NBB

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20DD077A3NNNA2NBB

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The 20DD077A3NNNA2NBB model of the Allen-Bradley PowerFlex 700S series is a robust adjustable frequency AC drive operating at 480 volts AC. This three-phase unit supports 77 amps of normal-duty current and features an IP20/NEMA Type 1-rated enclosure for suitable environmental protection.

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2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 20DD077A3NNNA2NBB

ManufacturerAllen Bradley
Product TypeAdjustable Frequency AC Drive
Product LinePowerFlex 700S
Part Number20DD077A3NNNA2NBB
Weight75.00 lbs (34.02 kg)
Voltage480V AC
Phases3
480V Input Amps77
EnclosureIP20, NEMA Type 1
Human Interface MachineFull Numeric LCD
DocumentationNo
BrakeNo
Bus Undervoltage TripAdjustable
Heat Sink ThermistorMonitored by microprocessor overtemp trip
Logic Control Ride-Thru0.25 sec., drive not running
Power Ride-Thru15 milliseconds at full load
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The 20DD077A3NNNA2NBB is an adjustable-frequency AC drive produced by Allen-Bradley. It is part of Rockwell Automation's PowerFlex 700S range and operates at 480V AC. This drive is designed to handle three-phase configurations and has a normal-duty current of 77 amps. The unit is housed in an enclosure that meets IP20 and NEMA Type 1 standards, providing a basic level of protection against dust and moisture. A full numeric LCD display facilitates operational monitoring and gives users access to key status and parameters.

This model does not come with braking capabilities and lacks available documentation, which may require users to rely on installation practices from manuals or other resources. Safety features include an adjustable bus undervoltage trip, allowing for customization based on operational specifications. Additionally, the heat sink thermistor is monitored by an embedded microprocessor to detect and react to overheating conditions.

In operational scenarios, the logic control ride-thru capability allows the drive to maintain functionality for up to 0.25 seconds while not actively running, ensuring system stability during brief power disruptions. Furthermore, it can support power ride-thru for up to 15 milliseconds under full load conditions, aiding in the safeguarding of critical processes that depend on continuity.

Revision Part #Also known as
20DD077A3NNNA2NBB Ser A20DD077A3NNNA2NBB/A, Series A, Rev A
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