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The 20DJ385A0ENNB1NNA is a versatile adjustable frequency AC drive manufactured by Allen-Bradley for Rockwell Automation. This unit operates at a maximum voltage of 650V DC, handling up to 385 amps of normal-duty current.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable Frequency AC Drive |
| Product Line | PowerFlex 700S |
| Part Number | 20DJ385A0ENNB1NNA |
| Weight | 32.00 lbs (14.51 kg) |
| Voltage | 650V DC |
| Phases | 3 |
| 650V Input Amps | 385 |
| Enclosure | IP20, NEMA Type 1 |
| Human Interface Machine | Blank Cover |
| Documentation | Quick Start Guide |
| Brake | No |
| 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 20DJ385A0ENNB1NNA from Allen-Bradley is an adjustable frequency AC drive tailored for operational efficiency in high-voltage applications. It operates effectively under a maximum input voltage of 650V DC. This drive’s capability extends to handling a normal-duty current of 385 amps, allowing it to cater to demanding industrial tasks.
Housed within an IP20-rated enclosure that meets NEMA Type 1 specifications, this model is designed for standard indoor setups. The absence of a functional human-machine interface is addressed with a blank cover, providing a streamlined appearance.
The device does not incorporate a braking mechanism, but it features an adjustable bus undervoltage trip to enhance safety and stability during operation. The heat sink is equipped with a thermistor that is continuously monitored by an internal microprocessor, ensuring that overheating conditions can trigger a safety response.
For operational reliability, the 20DJ385A0ENNB1NNA maintains logic control ride-thru for 0.25 seconds during inactive periods. Additionally, it can sustain power for 15 milliseconds at full load during brief interruptions. This flexibility supports consistent performance in critical applications, making it a valuable component in the automation landscape.
| Revision Part # | Also known as | |
|---|---|---|
| 20DJ385A0ENNB1NNA Ser A | 20DJ385A0ENNB1NNA/A, Series A, Rev A | |
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