Allen-Bradley 20G14NC456AN0NNNNN PowerFlex 755 540 V DC 250 kW AC Drive
- Brand
- Allen-Bradley
- Model
- 20G14NC456AN0NNNNN
- GEARWELL SKU
- GWP-000001220
- Category
- Variable Frequency Drives
Key specifications
- Configured enclosure
- IP00, NEMA/UL Open Type
- Drive frame
- 7
- Input configuration
- Common DC bus input with precharge
- Product type
- Variable-frequency AC motor drive
- Nominal input voltage
- 540 V DC nominal
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← Back to productsProduct overview
The Allen-Bradley 20G14NC456AN0NNNNN is a PowerFlex 755 AC drive for the 400 V AC / 540 V DC class in frame 7, built as an IP00, NEMA/UL Type Open wall-mount chassis with DC input with precharge (common bus). Rockwell rates it at 456 A and 250 kW for normal duty and 367 A and 200 kW for heavy duty. This version has filtering with the common mode capacitor jumper removed (Rockwell now lists code A as no longer available) and no internal dynamic braking transistor. The PowerFlex 755 is Rockwell's 750-Series drive for maximum flexibility and performance up to 2000 Hp and 1500 kW, with a built-in Ethernet port, slot-based option cards, DeviceLogix embedded control and a choice of safety options.
Technical reference
| Product name | Allen-Bradley 20G14NC456AN0NNNNN PowerFlex 755 540 V DC 250 kW AC Drive |
|---|---|
| Brand | Allen-Bradley |
| Model | 20G14NC456AN0NNNNN |
| Category | Variable Frequency Drives |
| Configured enclosure | IP00, NEMA/UL Open Type |
| Drive frame | 7 |
| Input configuration | Common DC bus input with precharge |
| Product type | Variable-frequency AC motor drive |
| Nominal input voltage | 540 V DC nominal |
| Rated motor output | 456 A continuous, 250 kW normal duty; 200 kW heavy duty |
| Braking hardware | No internal braking transistor; braking resistor not included |
| Normal-duty motor power | 250 kW, normal duty |
| Operator interface | No factory-fitted HIM |
| Protection and cooling | Standard corrosive-gas protection; forced-air cooling |
| Motor control | V/Hz, sensorless vector and flux vector modes; permanent-magnet operation in frames 8-10 requires encoder feedback |
| Built-in communication | Embedded EtherNet/IP port |
| EMC filtering and CM jumper | EMC filter fitted; CM jumper removed |
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