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The part number 20DD077A0EYNA1DNK from Allen-Bradley represents an adjustable frequency AC drive designed for robust industrial applications. Operating at 480 volts AC and capable of handling three voltage phases with a normal-duty current rating of 77 amps, this drive is suitable for demanding environments.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable Frequency AC Drive |
| Product Line | PowerFlex 700S |
| Part Number | 20DD077A0EYNA1DNK |
| 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 Allen-Bradley 20DD077A0EYNA1DNK, classified as an adjustable frequency AC drive, is built for compatibility with three-phase operations at 480 volts AC. With a substantial normal-duty current capacity of 77 amps, this model is engineered for considerable power requirements in industrial settings. Housed in an IP20-rated enclosure that meets NEMA Type 1 standards, it is suitable for controlled indoor environments.
The unit features a simple blank cover for its human-machine interface, ensuring ease of installation. The drive is equipped with an IGBT braking system, contributing to its efficient performance in variable-speed applications. For enhanced safety and flexibility, it offers an adjustable bus undervoltage trip, allowing users to tailor settings per their application needs.
To effectively manage thermal conditions, a heat sink thermistor is integrated and monitored by a microprocessor to prevent overheating. The drive is also designed with robust ride-thru capabilities, functioning for up to 0.25 seconds during idle conditions without loss of control. It further supports power ride-thru for 15 milliseconds under full load conditions, assuring reliable operation during transient power disturbances.
| Revision Part # | Also known as | |
|---|---|---|
| 20DD077A0EYNA1DNK Ser A | 20DD077A0EYNA1DNK/A, Series A, Rev A | |
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