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The 20BD156A3NNNARN0 adjustable-frequency AC drive from Allen Bradley’s PowerFlex 700 series operates efficiently at 480 V AC. This drive accommodates both V/Hz and vector control modes for enhanced performance in motor applications, and can output a continuous current of 156 A, with a motor rating of up to 125 HP.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable-frequency AC drive |
| Product Line | PowerFlex 700 |
| Part Number | 20BD156A3NNNARN0 |
| Weight | 32.00 lbs (14.51 kg) |
| Control Modes | V/Hz, vector |
| I/O Control Voltage | 24 V / 120 V |
| Encoder Support | Incremental |
| Encoder Duty Cycle | 50% ±10% |
| Intermittent Overload | 110% for 1 min / 150% for 3 s |
| Short-circuit Withstand | 200 kA |
| Ride-through Time | 15 ms |
| Line Surge Immunity | 6000 V peak |
| Output Voltage Range | 0 – Rated V |
| Logic Noise Immunity | 1500 V peak |
| Input Voltage | 480 V AC |
| Continuous Output Current | 156 A |
| Motor Power Rating | 125 HP / 100 HP |
| Enclosure Rating | IP20 / Type 1 |
The PowerFlex 700 series model 20BD156A3NNNARN0 is a robust adjustable-frequency AC drive designed for demanding environments. Operating from an input voltage of 480 V AC, this device is built for effective motor control with a continuous output current of 156 A, making it suitable for applications requiring significant power, with a rating of up to 125 HP.
The drive supports various control modes, including vector and V/Hz, providing operational flexibility. Additionally, it accommodates incremental encoders, enabling precise feedback for enhanced performance. It operates with an I/O control voltage of 24 V or 120 V, allowing for versatile integration into existing systems.
Key features include its intermittent overload capabilities, rated at 110% for one minute and up to 150% for three seconds, ensuring it can handle temporary spikes in demand efficiently. The drive is designed to withstand short-circuit conditions rated at 200 kA, thereby maximizing reliability in the event of electrical faults.
At a ride-through time of 15 milliseconds, the drive can maintain operation during brief power outages, while the logic noise immunity rating of 1500 V peak addresses electromagnetic interference, enhancing stability in performance. Output voltage can range from 0 to its rated value, maintaining operational integrity under varying load conditions.
With an IP20 enclosure rating, this drive suits many industrial environments, providing adequate dust and physical contact protection. Surge immunity of 6000 V peak ensures resilience against electrical disturbances, further solidifying its application in challenging settings.