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The part number 20DD077A0ENNANASL from Allen-Bradley is an adjustable frequency AC drive suitable for three-phase applications at 480V AC. It is rated for 77 amps of normal-duty current, ensuring effective performance for a variety of industrial operations.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable Frequency AC Drive |
| Product Line | PowerFlex 700S |
| Part Number | 20DD077A0ENNANASL |
| Weight | 32.00 lbs (14.51 kg) |
| Voltage | 480V AC |
| Phases | 3 |
| 480V Input Amps | 77 |
| Enclosure | IP20, NEMA Type 1 |
| Human Interface Machine | Blank Cover |
| 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 20DD077A0ENNANASL model from Allen-Bradley, part of the PowerFlex 700S series, is engineered for adjustable frequency control in industrial applications. It handles a substantial 480V AC voltage and supports a three-phase input voltage configuration with a maximum normal-duty current of 77 amps.
This unit adheres to NEMA Type 1 specifications with an IP20 enclosure rating, suitable for typical indoor environments. It features a blank cover for a human-machine interface, meaning direct interaction points are omitted for a streamlined design.
While the drive does not incorporate a braking feature, it does offer an adjustable bus undervoltage trip, giving users flexibility in protective settings. The design also includes a heat sink thermistor, which is supervised by a microprocessor to ensure safety from overheating by initiating an over-temp trip when necessary.
Operational stability is enhanced through logic control ride-thru capabilities, allowing for up to 0.25 seconds of support when the drive is not actively running. Moreover, in terms of power reliability, the drive can maintain function for 15 milliseconds at full load during power fluctuations. Overall, the 20DD077A0ENNANASL provides a reliable and effective solution for motor control applications in various industries.
| Revision Part # | Also known as | |
|---|---|---|
| 20DD077A0ENNANASL Ser A | 20DD077A0ENNANASL/A, Series A, Rev A | |
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