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The 1336F-B500-AN-EN-L4 model from Allen Bradley is an adjustable frequency drive capable of operating within three-phase supply voltages ranging from 380 to 480 V AC. This drive boasts substantial power capacity, with a constant torque rating of 373 kW (500 HP) and variable torque capacity reaching 448 kW (600 HP).
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable Frequency Drive |
| Product Line | 1336 PLUS II Drives |
| Part Number | 1336F-B500-AN-EN-L4 |
| Weight | 32.00 lbs (14.51 kg) |
| Rated Supply Voltage | Three-phase 380–480 V AC |
| Power Capacity (Constant Torque) | 373 kW (500 HP) at Nominal Voltage |
| Power Capacity (Variable Torque) | 448 kW (600 HP) at Nominal Voltage |
| Input Current Range (Variable Torque) | 534-670 A |
| Output Current Capacity | 670 A Maximum |
| Enclosure Type | NEMA Type 1 (IP20) for General Purpose Applications |
| Overvoltage Protection | AC Input Trip at 570V, DC Bus Trip at 810V |
| Undervoltage Protection | AC Input Trip at 280V, DC Bus Trip at 400V |
| Efficiency | 97.5% at Rated Load and Nominal Voltage |
| Control Method | Sine-Coded PWM with Programmable Carrier Frequency (2-6 kHz Base) |
| Frequency Range | 0-400 Hz Output, ±0.01% Digital Frequency Accuracy |
| Overload Capability | 150% Current for 1 Minute (Constant Torque), 115% for 1 Minute (Variable Torque) |
| Communication Interfaces | Supports DeviceNet, Remote I/O, RS232/422/485 Protocols (Optional Modules Required) |
| Ambient Temperature Range | 0-40°C (32-104°F) for NEMA Type 1 Enclosure |
The Allen Bradley 1336F-B500-AN-EN-L4 is an adjustable frequency drive tailored for demanding applications. This unit operates on a three-phase supply voltage ranging from 380 to 480 V AC. The drive is notably powerful, with the capability to manage a constant torque load of 373 kW, or 500 HP, while variable torque applications can reach up to 448 kW, equivalent to 600 HP.
With a maximum output current rating of 670 A, the drive can smoothly handle input currents ranging from 534 A to 670 A. It is housed in a NEMA Type 1 enclosure, which provides IP20 protection suitable for general-purpose environments.
To ensure operational safety, the drive is equipped with overvoltage protection, triggering an AC input trip at 570 V and a DC bus trip at 810 V. Conversely, undervoltage protection initiates a trip at 280 V for AC inputs and at 400 V for DC bus voltages. At rated load, the drive achieves an impressive efficiency of 97.5%.
This model employs a control method using sine-coded PWM with a programmable carrier frequency set between 2 and 6 kHz, allowing for precise control over motor performance. The frequency range extends from 0 to 400 Hz with a digital accuracy of ±0.01%, accommodating various operational needs.
When subjected to overload conditions, the unit can sustain 150% of its rated current for constant torque applications for one minute. In comparison, 115% overload can be tolerated for variable torque loads within the same timeframe. For communication, it supports interfaces including DeviceNet, Remote I/O, and protocols like RS232/422/485, albeit requiring optional modules for full functionality. The operational temperature range is maintained between 0-40°C (32-104°F) for the drive within its NEMA Type 1 enclosure.