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The 1336F-B075-AA-EN-L4E model from Allen Bradley is an adjustable frequency drive designed for three-phase applications. It operates within an input voltage range of 380 to 480 V AC and offers a continuous power rating of 56 kW, equivalent to 75 HP.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable Frequency Drive |
| Product Line | 1336 PLUS II Drives |
| Part Number | 1336F-B075-AA-EN-L4E |
| Weight | 400.00 lbs (181.44 kg) |
| Input Voltage Range | 380–480 V AC, three-phase (–10%/+10% tolerance) |
| Power Rating | 56 kW continuous (75 HP) |
| Enclosure Rating | IP20 (NEMA Type 1) |
| Constant-Torque Input Current | 69–87 A |
| Constant-Torque Output Current | 106 A |
| Variable-Torque Input Current | 119 A |
| Variable-Torque Output Current | 120 A |
| Intermittent Overload Capability | 150% of rated CT current for 1 min; 115% of rated VT current for 1 min |
| Control Method | Sine-coded PWM with programmable carrier frequency |
| Maximum Carrier Frequency | Up to 8 kHz (B-Frame drives, rating based on 4 kHz) |
| Output Frequency Range | 0 to 400 Hz |
| Frequency Accuracy | Within ±0.01% (digital input) or ±0.4% (analog input) |
| Control Interface | Contact-closure I/O with encoder feedback |
| Ambient Operating Temperature | 0–40 °C (IP20) |
The Allen Bradley 1336F-B075-AA-EN-L4E is a highly efficient adjustable frequency drive suitable for three-phase systems. With an input voltage capability between 380 and 480 V AC, this drive can maintain effective performance under varying electrical conditions, with a tolerance of –10% to +10%. This model has a continuous power rating of 56 kW or 75 HP, making it adequate for demanding industrial applications.
The drive’s control method is based on sine-coded PWM, which includes a programmable carrier frequency that maximizes efficiency. The maximum carrier frequency achievable is 8 kHz for B-Frame drives, with a nominal rating based on 4 kHz. Supporting an output frequency range of 0 to 400 Hz enhances its versatility in various motor control functions.
This drive includes precise frequency accuracy metrics, with digital inputs maintaining an accuracy within ±0.01% and analog inputs at ±0.4%. Additionally, the package features a contact-closure I/O control interface that supports encoder feedback, promoting seamless integration with other automation systems. The ambient operating temperatures are rated between 0 and 40 degrees Celsius, which underscores the model’s capability to function optimally in typical industrial environments. The enclosure rating is IP20, classified under NEMA Type 1, offering basic protection against dust and inadvertent contact.