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Allen-Bradley 1391-DES45-DI AC Servo Controller

Allen-Bradley 1391-DES45-DI AC Servo Controller

  • Product Item : 1391-DES45-DI
  • Product Brand : Allen-Bradley
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The Allen-Bradley 1391-DES45-DI is a single - axis digital AC Servo drive with an integral LCD. The display consists of 2 lines with 16 characters, and input can be made through a 5 - button keypad. Red/green LED status indicators are also provided for easy status monitoring. Usually used in an automated machine servo system, the 1391-DES45-DI drive has built - in protection, including an integrated circuit breaker, an integral shunt regulator on the standard 300V DC power bus supply, a shunt regulator resistor, and a power line/DB contactor.

Technical specifications for 1391-DES45-DI

Manufacturer Rockwell Automation

Brand Allen-Bradley

Part Number/Catalog No. 1391-DES45-DI

Product Type Digital AC Servo Drive

Continuous Current 45A

User Interface Integral Display

Output Configuration N/A

M Contactor Coil Voltage 115V AC

Nominal Bus Output Voltage 300V DC

Continuous Current (RMS) 45A

Peak Current (RMS) 90A

Continuous Power Output 15 kW

Peak Power Output 30 kW

Input Circuit Breaker Rating 38A RMS

Circuit Breaker Interrupt Rating 1300A

Weight 34 lbs


The 1391-DES45-DI drive has a nominal voltage of 300V DC. It has a continuous current (RMS) of 45 A and a peak current (RMS) of 90 A. The input power is 230V AC (three - phase, 50 and 60 Hz), and the output power is 210V AC (three - phase, 50 - 60 Hz), with an output of 14 kW. The continuous power output of the drive is 15 kW, and the peak power output is 30 kW. The drive's circuit breaker has an input rating of 38A RMS, and its interrupt rating in symmetrical amperes is 1300 A.

The operating temperature of the 1391-DES45-DI drive ranges from 0-60 ºC, and the storage temperature is 0 - 65 ºC. The drive has a minimum efficiency of 85% at the rated load and a minimum power factor of 95%. The non - condensing relative humidity is 5 - 95%, and the maximum operating altitude is 1000 m (or 3300 ft). The entire 1391-DES45-DI drive weighs about 34 lbs. (or 15.4 kg).

Alternative model names

1391-DESA5-DI

1391DES45DI

1391DESA5DI

139L-DES45-DI

139LDES45DI

L391-DES45-DI

L391DES45DI

L39L-DES45-DI

L39L-DESA5-DI

L39LDES45DI

L39LDESA5DI