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The 20AD011A3NYYACG1 model from the Allen Bradley PowerFlex 70 series is an efficient AC drive. It operates with a 480 V AC input, three-phase. It maintains an output current of 11 A, achieving up to 7.5 HP under normal-duty and 5 HP under heavy-duty applications.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | AC Drive |
| Product Line | PowerFlex 70 |
| Part Number | 20AD011A3NYYACG1 |
| Weight | 15.00 lbs (6.80 kg) |
| Input Voltage | 480 V AC 3Ø |
| Output Current | 11 A continuous (7.5 HP normal duty, 5 HP heavy duty) |
| Braking | IGBT + 115 Ω resistor |
| Control Modes | Sensorless Vector; V/Hz (auto-tune) |
| Feedback | Incremental quadrature encoder |
| Enclosure | Panel-mount IP20/NEMA 1 |
| Input Phases | 3-phase |
| Efficiency | 97.5% @ rated current |
| Digital I/O | 6 digital inputs, 2 digital outputs |
| Analog I/O | 2 analog inputs, 1 analog output |
| Speed Accuracy | ±0.1% base speed (120:1 range) |
| Output Frequency | 0–400 Hz (standard); up to 500 Hz (enhanced) |
| Power Loss | ≈168 W @ 7.5 HP normal duty, 480 V |
The Allen Bradley 20AD011A3NYYACG1 AC drive is engineered for precision and reliability. Designed for three-phase 480 V AC input, it continuously supports an output current of 11 amps. This unit is effective for tasks requiring 7.5 horsepower under normal-duty ratings and 5 horsepower under heavy-duty conditions.
For enhanced operational control, it incorporates both sensorless vector control and auto-tuned V/Hz control modes. The drive is equipped with an IGBT and a 115 Ω braking resistor, providing effective stopping power. Feedback is handled via an incremental quadrature encoder, promoting accurate performance monitoring.
Housed in a panel-mount enclosure with an IP20/NEMA 1 rating, it is designed for indoor use. Efficiency ratings hover around 97.5% at rated current, implying significant energy conservation. The unit supports a digital I/O configuration of 6 inputs and 2 outputs, alongside 2 analog inputs and 1 analog output, facilitating diverse control and monitoring options.
The PowerFlex 70 drive maintains a speed accuracy of ±0.1% of base speed, spanning a 120:1 speed range, with output frequencies ranging from 0 to 400 Hz, expandable up to 500 Hz in enhanced mode. Power loss at 7.5 HP under these conditions is approximately 168 watts, confirming its efficiency in performance.