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The 20DD385A3ENNBNASE model is an adjustable-frequency AC drive from Allen-Bradley's PowerFlex 700S line. It is designed for three-phase operation at 480V AC and has a maximum normal-duty current capacity of 385 amps.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable Frequency AC Drive |
| Product Line | PowerFlex 700S |
| Part Number | 20DD385A3ENNBNASE |
| Weight | 32.00 lbs (14.51 kg) |
| Voltage | 480V AC |
| Phases | 3 |
| 480V Input Amps | 385 |
| Enclosure | IP20, NEMA Type 1 |
| Human Interface Machine | Full Numeric LCD |
| Documentation | Quick Start Guide |
| Brake | No |
| Bus Undervoltage Trip | Adjustable |
| Heat Sink Thermistor | Monitored by microprocessor overtemp trip |
| Logic Control Ride-Thru | 0.25 sec., drive not running |
| Power Ride-Thru | 15 milliseconds at full load |
The 20DD385A3ENNBNASE from Allen-Bradley is classified as an adjustable frequency AC drive, integral to the PowerFlex 700S series. It operates effectively at a voltage of 480 volts AC within a three-phase power system. With the capacity to handle up to 385 amps of normal-duty current, it is suitable for high-demand applications.
The drive is encased within an enclosure that meets IP20 standards as per NEMA Type 1 specifications, providing adequate protection for indoor environments. For user interaction, a full numeric LCD display is available, allowing for straightforward monitoring and configuration.
This unit does not integrate braking capability, instead focusing on stability and control through features such as an adjustable bus undervoltage trip, which ensures system safety. Operational reliability is enhanced by a heat sink thermistor that is continuously monitored by a microprocessor to prevent overheating conditions.
Additionally, for operational resilience, the drive includes a logic control ride-thru function that lasts for 0.25 seconds when inactive. During brief power disruptions, it is capable of maintaining power for 15 milliseconds at full load, ensuring continuity of performance in critical applications.
| Revision Part # | Also known as | |
|---|---|---|
| 20DD385A3ENNBNASE Ser A | 20DD385A3ENNBNASE/A, Series A, Rev A | |
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