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The 1336F-BRF75-AJ-EN-L5 is an advanced variable frequency drive manufactured by Allen Bradley. Rated for use with both AC and DC inputs, it operates within a voltage range of 380–480 Volts AC or 513–620 Volts DC.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | AC Variable Frequency Drive |
| Product Line | 1336 PLUS II Drives |
| Part Number | 1336F-BRF75-AJ-EN-L5 |
| Weight | 30.00 lbs (13.61 kg) |
| Voltage Input | 380–480V AC / 513–620V DC |
| Power Rating | 5.5 kW (CT), 7.5 kW (VT) |
| Enclosure | IP54 / NEMA 12 |
| Input Current | 13.6 A (CT) |
| Output Current | 13.3 A (CT), 15.4 A (VT) |
| Overload Limit | 150% CT, 115% VT for 60 sec |
| Control Input | 24V AC/DC (L5 option) |
| Output Voltage | 0–Line Voltage |
| Frequency Range | 0–400 Hz |
| Efficiency | ~97.5% at rated load |
| PWM Method | Sine-coded, programmable carrier frequency |
| Short Circuit Rating | 200 kA with proper fusing |
| Thermal Protection | Monitored heat sink thermistor |
| Motor Type | 3-phase, NEMA B, 4/6 pole |
The 1336F-BRF75-AJ-EN-L5, part of the 1336 PLUS II series, is a sophisticated AC variable frequency drive from Allen Bradley. This device delivers power ratings of 5.5 kW (continuous) and 7.5 kW (variable). It accepts AC voltage inputs spanning from 380 to 480 V AC and also accommodates DC inputs from 513 to 620 V DC.
Robustly built, the drive's IP54/NEMA 12 enclosure protects against environmental factors, including dust and water. The input current stands at 13.6 A, while it provides output currents of 13.3 A for continuous operation and up to 15.4 A for variable conditions. It is capable of operating under overload conditions, reaching up to 150% of the continuous rating for 60 seconds.
Control input requirements include 24V AC/DC, complying with the L5 option. The output voltage is adjustable from zero to line voltage, and the device operates across a frequency range of 0 to 400 Hz, catering to diverse motor speed requirements.
With a high efficiency rating of approximately 97.5% at rated load, it utilizes a sine-coded PWM method with a programmable carrier frequency to ensure smooth operation. Additionally, the drive can withstand short-circuit ratings of 200 kA, provided that appropriate fusing is used. For safety, thermal protection is implemented through a monitored heat sink thermistor, safeguarding the unit from overheating. The drive is suitable for 3-phase motors compliant with NEMA B standards, further emphasizing its versatility in industrial applications.