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20DD052A3NYNACBSE
The 20DD052A3NYNACBSE is a variable frequency drive from Allen Bradley’s PowerFlex 700S series. It operates on a 480 VAC three-phase supply at 60 Hz and can continuously deliver 52 A current at a nominal voltage of 650 V DC. This drive features a rated power of 40 HP and offers a short-term peak current of 80 A, suitable for demanding applications.
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Technical specifications for 20DD052A3NYNACBSE
| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Variable Frequency Drive |
| Product Line | PowerFlex 700S |
| Part Number | 20DD052A3NYNACBSE |
| Weight | 32.00 lbs (14.51 kg) |
| Input Supply | 480 VAC, three-phase, 60 Hz |
| Continuous Output Current | 52 A at 650 V DC |
| Short-term Peak Current | 80 A (3 s rating @ 650 V DC) |
| Rated Power | 40 HP (normal duty @ 650 V DC) |
| Nominal DC Bus Voltage | 648 V DC (derived from 480 V AC) |
| DC Overvoltage Trip Point | 810 V DC (at 480 V AC input) |
| PWM Carrier Frequency | 4 kHz default; selectable up to 10 kHz (6 kHz for V/Hz mode) |
| Control Interface | Built-in ControlNet (coaxial) |
| Discrete I/O | 6 digital inputs; 2 digital outputs |
| Analog I/O | 3 analog inputs; 2 analog outputs |
| Braking Module | Brake IGBT installed (requires external resistor) |
| Peak Efficiency | 97.5 % at rated current and nominal voltage |
| Control Method | Indirect field-oriented (sensorless or with encoder feedback) |
| Enclosure Rating | IP20 / NEMA/UL Type 1 |
The Allen Bradley 20DD052A3NYNACBSE is engineered as a variable frequency drive that provides robust control for industrial motor applications. Suitable for a three-phase input of 480 VAC at 60 Hz, this drive handles a continuous output current of 52 A when operating at 650 V DC. It boasts a power rating of 40 HP, effectively addressing the needs of various motor-driven applications.
The drive features a short-term peak current capability of 80 A, enabling it to manage temporary overload conditions seamlessly. Designed to optimize performance, it incorporates a nominal DC bus voltage of 648 V derived from the input supply. When overvoltage conditions occur, the drive will trip at 810 V DC, ensuring system protection and stability.
Performance tuning is available through its PWM carrier frequency capabilities, which defaults at 4 kHz but can be set to a maximum of 10 kHz, and 6 kHz in V/Hz mode. The built-in ControlNet interface facilitates easy communication and integration into existing systems. For external device connectivity, this drive is equipped with a total of six digital inputs and two digital outputs, alongside three analog inputs and two analog outputs.
A braking IGBT module is included but requires an external resistor for operation. The drive achieves impressive peak efficiency of 97.5% at its rated current and nominal voltage, reflecting its effectiveness in energy usage. Control methods include an indirect field-oriented approach, which can operate in a sensorless mode or with encoder feedback, allowing for flexible applications. Finally, its enclosure meets IP20/NEMA/UL Type 1 ratings, making it suitable for general-purpose environments where dust and moisture exposure is minimal.
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