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The model 20DD300A0NNNBNNNN from Allen-Bradley is an adjustable frequency AC drive that operates on a three-phase power system. Its rated input voltage is 480V AC, accommodating up to 300 amps, suitable for various industrial applications requiring reliable motor control.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable Frequency AC Drive |
| Product Line | PowerFlex 700S |
| Part Number | 20DD300A0NNNBNNNN |
| Weight | 200.00 lbs (90.72 kg) |
| Voltage | 480V AC |
| Phases | 3 |
| 480V Input Amps | 300 |
| Enclosure | IP20, NEMA Type 1 |
| Human Interface Machine | Blank Cover |
| Documentation | No |
| 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 20DD300A0NNNBNNNN, part of Allen-Bradley's PowerFlex 700S series, is designed as an adjustable frequency AC drive to optimize performance in various industrial settings. This drive functions on a three-phase system and operates at a nominal voltage of 480V AC, capable of handling an input current of 300 amps.
Constructed to meet NEMA Type 1 standards, the drive has an IP20-rated enclosure, ensuring protection for indoor use. The unit comes with a blank cover for the human-machine interface, indicating that no specialized indicator or control interface is integrated.
While the system does not feature a braking mechanism, it is equipped with an adjustable bus undervoltage trip to enhance operational safety. A vital component is the heat sink thermistor, continuously monitored via a microprocessor to prevent overheating conditions, thus maintaining optimal performance.
The drive includes functionality for logic control ride-thru lasting 0.25 seconds when the drive is inactive. Additionally, it supports power ride-thru for 15 milliseconds during periods of full load, ensuring stability and continuity in operational performance during brief interruptions in power supply. Overall, the 20DD300A0NNNBNNNN delivers dependable performance suited for demanding industrial applications.
| Revision Part # | Also known as | |
|---|---|---|
| 20DD300A0NNNBNNNN Ser A | 20DD300A0NNNBNNNN/A, Series A, Rev A | |
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