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The 1336E-B025-AN-IT is an AC variable frequency drive from Allen Bradley’s 1336 IMPACT series, designed to deliver high power performance with ratings of 18.5 kW or 25 HP. It operates within an input voltage range of 380 – 480V AC and has an input current draw of 43 amps while delivering a rated output current of approximately 41.8 amps with an output capacity of 33 kVA.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | AC Variable Frequency Drive |
| Product Line | 1336 IMPACT Drives |
| Part Number | 1336E-B025-AN-IT |
| Power Rating | 18.5 kW / 25 HP |
| Input Voltage Range | 380 – 480V AC |
| Enclosure Rating | Open Chassis, IP00 |
| Supported Languages | English and Italian |
| Input Current Draw | 43 Amps |
| Rated Output Current | 41.8 Amps |
| Output Capacity | 33 kVA |
| Mains Frequency Tolerance | 50/60 Hz, ±3 Hz |
| Drive Output Frequency Span | 0 to 250 Hz |
| Output Waveform Type | Sinusoidal PWM |
| Momentary Power Interruption Tolerance | 2 Second Ride-Through |
| Typical Conversion Efficiency | 97 Percent |
| Short-Term Overload Rating | 150 Percent Output for 1 Minute |
| Motor Overload Headroom | Adjustable up to 400 Percent for 1 Minute |
The model 1336E-B025-AN-IT from Allen Bradley is a notable AC variable frequency drive within the 1336 IMPACT series. It is specifically engineered for effective performance at a power rating of 18.5 kW, equating to 25 HP, and supports an input voltage range extending from 380 to 480V AC. Designed to handle an input current draw of 43 Amps, the drive maintains a rated output current of around 41.8 Amps with an overall output capacity of 33 kVA.
The drive is housed within an open chassis configuration, classified with an enclosure rating of IP00, indicating that it is not protected from external conditions. Supporting multiple languages, it allows for operation in both English and Italian, thus catering to a diverse user base. Its flexibility extends to compliance with mains frequencies of either 50 or 60 Hz, tolerating a deviation of ±3 Hz.
With an output frequency spanning from 0 to 250 Hz, this drive facilitates various applications requiring precise speed control. Utilizing a sinusoidal PWM waveform type enhances operational smoothness, reducing the likelihood of harmonic distortion in motor performance.
Another significant feature of the 1336E-B025-AN-IT is its ability to tolerate momentary power interruptions, providing a ride-through capability lasting up to 2 seconds. It operates with high efficiency as evidenced by a typical conversion efficiency of 97 percent, allowing for considerable energy savings.
For demanding applications, the drive can manage short-term overloads, handling up to 150 percent output for a duration of 1 minute. Furthermore, it offers adjustable motor overload headroom, capable of extending up to 400 percent for the same time frame. This feature allows the drive to accommodate temporary surges in demand, protecting the motor effectively and ensuring reliable operation in various scenarios.