Peripheral connection
A compatible operator or communication adapter exchanges commands and status with the drive controller.
Port1336F-B050-AA-ENAllen-Bradley adjustable-frequency AC drive
1336 PLUS II · exact-model technical comparison
Product Introduction
Allen-Bradley 1336F-B050-AA-EN is a 1336 PLUS II adjustable-frequency AC drive rated for the 380…480 V class and a 37 kW (50 hp) motor output. Its converter and DC bus feed a controlled inverter stage, while the regulator and programming interface coordinate frequency reference, acceleration, deceleration, and motor-protection functions.
The AA enclosure code identifies an IP20 / NEMA Type 1 configuration for 1336F-B050-AA-EN, and the EN suffix identifies English-language labeling. Power terminals carry the line, DC-bus, and motor conductors; separate control terminal blocks and optional ScanPort interfaces handle commands, status, and peripheral communication.
Key Product Data
Technical Item1336F-B050-AA-EN
| Brand | Allen-Bradley |
|---|---|
| Product Type | 1336 PLUS II adjustable-frequency AC drive |
| Input Voltage Class | 380…480 V AC, three-phase |
| Motor Output | 37 kW (50 hp) |
| Nominal Output Current | 73 A at 400 V; 75 A at 480 V |
| Frame Size | C |
| Enclosure | IP20 / NEMA Type 1 |
| Language Suffix | English |
| Control Method | Sine-coded PWM with programmable volts-per-hertz patterns |
| Frequency Reference | Analog, digital, preset, or communication option |
| Acceleration / Deceleration | Independently programmable ramps |
| Dynamic Braking | Uses the applicable external brake option when required |
| Protective Functions | Overcurrent, overvoltage, undervoltage, overtemperature, ground fault, motor overload |
| Communication Interface | ScanPort peripheral interface |
| Control Outputs | Programmable relay and analog outputs |
| Operating Temperature | 0…40 °C for the NEMA Type 1 configuration |
| Altitude | 1000 m without derating |
Product Functions — 50 HP Motor Control Stage
The 1336F-B050-AA-EN power path converts three-phase line energy into a regulated variable-frequency motor supply.
AC-to-DC conversion
The input bridge produces the DC-link energy used by the inverter.
Controlled motor waveform
Power switches synthesize the output voltage and frequency commanded by the regulator.
Output supervision
Current, voltage, temperature, and motor-overload checks can inhibit the inverter when limits are exceeded.
Ordering and Support Questions
What does each segment of 1336F-B050-AA-EN identify?
In 1336F-B050-AA-EN, 1336F identifies the PLUS II family, B identifies the 380…480 V class, 050 identifies the 50 hp output, AA identifies IP20 / NEMA Type 1, and EN identifies English labeling.
Why can 1336F-B050-AA-EN show an active interface but no motor output?
For 1336F-B050-AA-EN, confirm line and DC-bus availability, command ownership, start/enable logic, programmed reference, interlocks, and the active fault state; interface power alone does not enable the inverter.
What should be captured before replacing 1336F-B050-AA-EN?
Record the complete 1336F-B050-AA-EN catalog number, parameter file, installed options, terminal wiring, motor data, supply, enclosure, and communication adapter before disturbing the original drive.
How should a recurring overtemperature fault on 1336F-B050-AA-EN be investigated?
For 1336F-B050-AA-EN, inspect ambient temperature, heatsink and fan airflow, enclosure ventilation, output current, carrier-frequency settings, and dust blockage before resetting.
Why must the command source be checked after servicing 1336F-B050-AA-EN?
1336F-B050-AA-EN can obtain commands from terminals, an operator interface, presets, or an option. If ownership changes, the drive may ignore a valid signal on a different source.
Can a 50 hp label alone identify a correct 1336F-B050-AA-EN replacement?
No. A correct 1336F-B050-AA-EN request must preserve voltage class, enclosure, language, options, motor current, control wiring, and communication requirements as well as horsepower.
Service Support
MOORE AUTOMATION
https://www.mvme.cn/Moore Automation supports spare-part requests from the first model check through commercial confirmation and shipment coordination.
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