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The 20BD156A5NNNACC1 model from Allen Bradley's PowerFlex 700 series is an adjustable-frequency AC drive primarily designed for 480 V AC, 3-phase supply configurations. With a rated output current of 156 A, it sufficiently drives motors rated at up to 125 HP for normal duty and 100 HP for heavy duty applications.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable-frequency AC Drive |
| Product Line | PowerFlex 700 |
| Part Number | 20BD156A5NNNACC1 |
| Weight | 32.00 lbs (14.51 kg) |
| Supply | 480 V AC, 3-phase |
| Rated Output Current | 156 A |
| Motor Power Rating | 125 HP ND / 100 HP HD |
| Enclosure | IP20 |
| Control Modes | V/Hz & Vector |
| Feedback Support | Encoder Input |
| I/O Control Voltage | 24 V DC |
| Communications Option | ControlNet (Coax) |
| Human Interface | LCD Keypad |
| Overload Capability | 110% for 1 min / 150% for 3 s |
| Output / Frequency Range | 0–400 Hz |
| Environmental Limits | −40 to +50 °C Operating Temperature |
| Efficiency & Power Factor | Approximately 97.5% / 0.98 PF |
The Allen Bradley 20BD156A5NNNACC1, part of the PowerFlex 700 series, functions as an adjustable-frequency AC drive that provides a dependable means of motor control. Operating under a three-phase supply of 480 V AC, it delivers a rated output current of 156 amps. This unit is well-suited for applications with motors rated at 125 horsepower for normal duty and 100 horsepower for heavy duty.
The drive is housed in an IP20-rated enclosure, ensuring adequate protection against solid objects in moderate environments. It features both V/Hz and vector control modes, enhancing flexibility in operation across various applications.
Offering an output frequency that extends from 0 to 400 Hz, the 20BD156A5NNNACC1 ensures versatility in speed and torque control. It boasts an impressive overload capability, allowing for short-term increases of up to 110% for one minute or 150% for three seconds, accommodating sudden load changes.
For additional functionality, the drive supports encoder input for feedback, helping to monitor motor performance accurately and enhance overall system control. It operates with a 24 V DC control voltage and facilitates connectivity through its ControlNet coax communication option.
The human-machine interface is comprised of an LCD keypad, designed for ease of use during setup and monitoring. Operating efficiently within a temperature range of −40 to +50 °C, this drive is well-equipped to function in challenging environmental conditions. Its efficiency rating is approximately 97.5% with a power factor of 0.98, making it an effective solution for industrial applications.