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The 20DD077A0EYNANDSL, an adjustable-frequency AC drive by Allen-Bradley, is engineered for robust performance in three-phase systems. This unit operates on 480V AC and handles up to 77 amps of normal-duty current, with a focus on user-friendly operation.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable Frequency AC Drive |
| Product Line | PowerFlex 700S |
| Part Number | 20DD077A0EYNANDSL |
| 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 | 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 20DD077A0EYNANDSL adjustable frequency AC drive from Allen-Bradley is a solution for enhanced motor control flexibility. Engineered for three-phase applications, it handles a nominal input voltage of 480V AC and supports a maximum normal-duty current of 77 amps. The unit conforms to NEMA Type 1 specifications, ensuring its enclosure possesses an IP20 rating suitable for indoor environments.
This drive operates effectively without a visible human interface machine due to the blank cover design, which provides a streamlined appearance. Implemented IGBT braking technology allows for efficient stop control under multiple operating conditions.
For operational safety, it is equipped with an adjustable bus undervoltage trip, permitting users to customize their threshold settings. A microprocessor monitors an internal heat sink thermistor and activates a trip to manage overheating effectively. Additionally, the drive sustains logic control for a brief period of 0.25 seconds while not engaged and can manage power ride-thru for 15 milliseconds at full load, thus ensuring operational stability during transient conditions.
| Revision Part # | Also known as | |
|---|---|---|
| 20DD077A0EYNANDSL Ser A | 20DD077A0EYNANDSL/A, Series A, Rev A | |
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