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The 1336F-B050-AA-EN-LA3-L6 model is an AC variable frequency drive designed to deliver reliable motor control. Capable of handling rated powers up to 37 kW (50 HP), it operates across an input voltage range of 380 to 480 V AC with three-phase current.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | AC variable frequency drive |
| Product Line | 1336 PLUS II Drives |
| Part Number | 1336F-B050-AA-EN-LA3-L6 |
| Weight | 85.00 lbs (38.56 kg) |
| Analog Output Interface | Two isolated analog outputs |
| Enclosure Protection Rating | IP20 (NEMA Type 1) |
| Control Supply Voltage | 115 V AC |
| Input Current (CT) | 73 A constant torque |
| Output Current (CT) | 75 A constant torque |
| Input Current (VT) | 75 A variable torque |
| Output Current (VT) | 77 A variable torque |
| Rated Input Voltage | 380–480 V AC three phase |
| Power Rating | 37 kW 50 HP |
| DC Bus Nominal Level | 648 V DC typical |
| AC Overvoltage Protection | Trips above 570 V AC |
| AC Undervoltage Protection | Trips below 280 V AC |
| DC Bus Protection Limits | 810 V DC high 400 V DC low |
| Overcurrent Protection Range | 180–300% rated current |
The Allen Bradley 1336F-B050-AA-EN-LA3-L6 is classified as an AC variable frequency drive intended for industrial motor applications. This unit supports a power rating of 37 kW (50 HP) and operates effectively within a range of 380 to 480 V AC, designed for three-phase systems. It can manage input and output currents of 75 A and 77 A respectively at variable torque, as well as 73 A and 75 A for constant torque applications, allowing versatility in a range of operational settings.
Two isolated analog output interfaces enhance functionality, facilitating integration into diverse systems. The drive is protected by an enclosure with an IP20 rating, conforming to NEMA Type 1 standards, making it suitable for environments that do not subject it to dust or moisture exposure. This model also offers a control supply voltage of 115 V AC, simplifying its integration with existing control infrastructures.
In addition to standard operational capabilities, safety features are incorporated, such as AC overvoltage protection, which activates when input voltage exceeds 570 V AC. Conversely, it also includes undervoltage protection, triggering below 280 V AC. The DC bus operates at a nominal level of 648 V DC, with high and low limits of 810 V DC and 400 V DC respectively, further supporting system safety. The overcurrent protection range spans between 180 to 300% of the rated current, ensuring adequate protection from fault conditions. Overall, the 1336F-B050-AA-EN-LA3-L6 drive is equipped to meet stringent performance and safety criteria within industrial automation applications.