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The 20DD077A3NYNACAUE is an adjustable frequency AC drive from Allen-Bradley. Designed for three-phase operations at 480V AC, this drive can handle up to 77 amps. It incorporates a full numeric LCD for user interaction, enhancing its usability in industrial applications.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable Frequency AC Drive |
| Product Line | PowerFlex 700S |
| Part Number | 20DD077A3NYNACAUE |
| Weight | 32.00 lbs (14.51 kg) |
| Voltage | 480V AC |
| Phases | 3 |
| 480V Input Amps | 77 |
| Enclosure | IP20, NEMA Type 1 |
| Human Interface Machine | Full Numeric LCD |
| Documentation | No |
| Brake | IGBT |
| 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 20DD077A3NYNACAUE drive, part of Allen-Bradley’s PowerFlex 700S series, is engineered specifically for adjusting frequency in three-phase environments. It effectively operates at a voltage of 480V AC, accommodating a maximum input current of 77 amps, which makes it suitable for various heavy-duty applications.
The unit is enclosed in a design rated at IP20, adhering to NEMA Type 1 standards, ensuring protection suitable for controlled indoor settings. It does not come with additional documentation, highlighting the need for user familiarity with its operations.
For ease of use, this drive is equipped with a full numeric LCD, enabling straightforward parameter adjustments and monitoring. An IGBT braking system enhances its operational efficiency, contributing to quick and reliable motor control.
A key safety feature of this model is the adjustable bus undervoltage trip, allowing customized settings according to operational requirements. Additionally, the heat sink thermistor continuously checks temperature via an integrated microprocessor, triggering an overtemperature trip as necessary to prevent overheating.
The drive offers a logic control ride-thru time of 0.25 seconds, maintaining system stability when not actively running. It further provides a power ride-thru duration of 15 milliseconds at full load, ensuring reliable performance during brief power interruptions. The 20DD077A3NYNACAUE is a robust solution for effective motor control in various industrial contexts.
| Revision Part # | Also known as | |
|---|---|---|
| 20DD077A3NYNACAUE Ser A | 20DD077A3NYNACAUE/A, Series A, Rev A | |
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