Allen-Bradley 1391B-EST45 AC Servo Controller

The Allen - Bradley 1391B-EST45 servo controller is an AC - powered one designed to control industrial motors in a safe and efficient manner. It features an extended speed range, enabling it to handle a broader variety of applications and motor speeds compared to typical servo controllers. Moreover, it also has an extended peak torque range.

This servo controller has an RMS continuous current rating of 45 Amps and a peak current rating of 135 Amps. In terms of power output, it can provide 15 kilowatts continuously and 45 kilowatts at peak.

Technical specifications for 1391B-EST45

Manufacturer Rockwell Automation

Brand Allen-Bradley

Part Number/Catalog No. 1391B-EST45

Product Type AC Servo Controller

Series B

2nd Position Speed Capability Extended Speed & Peak Torque Range

Nominal Bus Output Voltage 300V DC

Continuous Current (RMS) 45A

Peak Current (RMS) 135A

Continuous Power Output 15 kW

Peak Power Output 45 kW

Input Circuit Breaker Rating 38A RMS

Circuit Breaker Interrupt Rating 1300A

Weight 37 lbs.

The Allen - Bradley 1391B-EST45 servo controller has an efficiency rating of 85%. To guarantee that it operates at full power and with maximum efficiency all the time, proper maintenance is essential, and it should be installed in industrial environments that meet the appropriate specifications.

When it comes to altitude, if the controller is expected to operate at full power, the installation environment should not exceed 3300 feet (or 1000 meters) above sea level. However, it can still function at higher altitudes, but with a derated performance.

Regarding temperature, the Allen - Bradley 1391B-EST45 servo controller can operate within a range of 32 to 140 degrees Fahrenheit (or 0 to 60 degrees Celsius). For storage, the acceptable temperature range is 32 to 149 degrees Fahrenheit (or 0 to 65 degrees Celsius).

Lastly, the servo controller should be both used and stored in an environment that is dry or has a non - condensing relative humidity level between 5 and 95%.