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The 20DD248A3EYNANDNL from Allen-Bradley is designed as an adjustable-frequency AC drive suitable for 480V AC applications. This unit can handle a normal-duty current of up to 248 amps and is configured for three-phase operation.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable Frequency AC Drive |
| Product Line | PowerFlex 700S |
| Part Number | 20DD248A3EYNANDNL |
| Weight | 1.00 lbs (0.45 kg) |
| Voltage | 480V AC |
| Phases | 3 |
| 480V Input Amps | 248 |
| Enclosure | IP20, NEMA Type 1 |
| Human Interface Machine | Full Numeric LCD |
| Documentation | Quick Start Guide |
| Brake | IGBT |
| 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 20DD248A3EYNANDNL is an adjustable frequency AC drive from the Allen-Bradley PowerFlex 700S series. Operating at a significant voltage of 480V AC, it is built to manage high loads with a normal-duty current capacity of 248 amps in a three-phase configuration. Its design includes a protective enclosure rated at IP20 and compliant with NEMA Type 1 standards, making it suitable for use in standard industrial environments.
The drive features a full numeric LCD for easy user interface and operational control. For enhanced operational safety, the unit employs IGBT braking technology and offers an adjustable bus undervoltage trip feature, which helps protect against potential electrical disturbances.
Moreover, temperature management is integral to this design: the heat sink thermistor is monitored by an embedded microprocessor, which can activate an overtemperature trip when necessary. The logic control system allows for ride-thru capability for 0.25 seconds while inactive, ensuring stability during brief power interruptions. For additional reliability, the device can maintain power ride-thru for up to 15 milliseconds under full-load conditions. In summary, the 20DD248A3EYNANDNL drive is built to provide robust and efficient performance in demanding industrial applications.
| Revision Part # | Also known as | |
|---|---|---|
| 20DD248A3EYNANDNL Ser A | 20DD248A3EYNANDNL/A, Series A, Rev A | |
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