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Allen Bradley AC Servo 1391 1391B-EST45

Product image is representative; revision or series may vary. Contact us to request a specific version.

1391B-EST45

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The Allen-Bradley 1391B-EST45 has a Extended Speed & Peak Torque Range 2nd Position Speed Capability, a 300V DC Nominal Bus Output Voltage, and a 45A Continuous Current (RMS). It also contains a 135A Peak Current (RMS) and a 15 kW Continuous Power Output.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1391B-EST45

ManufacturerAllen Bradley
Product TypeAC Servo Controller
Product LineAC Servo 1391
Part Number1391B-EST45
Weight25.00 lbs (11.34 kg)
SeriesB
2nd Position Speed CapabilityExtended Speed & Peak Torque Range
Nominal Bus Output Voltage300V DC
Continuous Current (RMS)45A
Peak Current (RMS)135A
Continuous Power Output15 kW
Peak Power Output45 kW
Input Circuit Breaker Rating38A RMS
Circuit Breaker Interrupt Rating1300A

The Allen-Bradley 1391B-EST45 servo controller is an AC-powered servo controller. This servo controller has an extended speed range which means that it can handle a wider range of applications and motor speeds than regular servo controllers can. Servo controllers like the Allen-Bradley 1391B-EST45 servo controller are made to control industrial motors safely and efficiently. The Allen-Bradley 1391B-EST45 servo controller also has an extended peak torque range in addition to its extended speed range. Its current ratings are 45 Amps of RMS continuous current and 135 Amps of peak current. This servo controller puts out 15 kilowatts of continuous output power and 45 kilowatts of peak output power.

The Allen-Bradley 1391B-EST45 servo controller has an 85% efficiency rating. To ensure that this AC servo controller always operates at full power and as efficiently as possible, always keep the controller properly maintained and install it in industrial environments with the proper ratings. The installation environment should not be more than 3300 feet or 1000 meters above sea level if the controller is going to operate at full power, although the controller can operate at higher altitudes if it is derated. The Allen-Bradley 1391B-EST45 servo controller can operate within a temperature range of 32 to 140 degrees Fahrenheit or 0 to 60 degrees Celsius. It can be stored within a temperature range of 32 to 149 degrees Fahrenheit or 0 to 65 degrees Celsius. The servo controller should be used and stored in an environment that is dry or that has a non-condensing relative humidity level between 5 and 95%.

Revision Part #Also known as
1391B-EST45 Ser A1391B-EST45/A, Series A, Rev A
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