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Allen Bradley 1321-3R45-B 3-Phase Line Reactor

Allen Bradley 1321-3R45-B 3-Phase Line Reactor for VFD protection.

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ManufacturerAllen Bradley

Part number1321-3R45-B

Phase 3-Phase

Current Rating 45A

Voltage Rating 480V AC

Type Line Reactor

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12-month warranty

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Veteran-owned

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3-Phase operation 45A current rating 480V AC compatibility Reduces harmonic distortion Suppresses transients Protects VFDs

Product description

The Allen Bradley 1321-3R45-B is a 3-phase line reactor designed to protect variable frequency drives (VFDs) and other motor control equipment. It features a 45A current rating and is suitable for 480V systems. This reactor helps mitigate voltage notching, reduce harmonic distortion, and suppress transient overvoltages.

This component is critical in industrial settings where motor drives are employed, such as manufacturing plants, water treatment facilities, and material handling systems. By improving power quality, it enhances the lifespan and reliability of motor drives and connected equipment.

Stanlo Automation, a veteran-owned business specializing in surplus industrial parts, offers the 1321-3R45-B as part of our extensive inventory. Sourcing from Stanlo ensures you receive quality, tested components to maintain your operational uptime.

Technical specifications

Phase	3-Phase
Current Rating	45A
Voltage Rating	480V AC
Type	Line Reactor
Application	VFD Protection
Manufacturer	Allen Bradley

Common applications

Variable Frequency Drives (VFDs)

Motor Control

Industrial Power Systems

Manufacturing Automation

Water & Wastewater

HVAC Systems

Compatible systems

Allen-Bradley PowerFlex drives Other 480V VFD systems

Also known as

AB 1321-3R45-B Allen Bradley 45A Line Reactor 3-Phase Motor Reactor

Replaces / compatible with

Compatible with various Allen-Bradley PowerFlex drives and other VFDs requiring line reactor protection. Consult drive manual for specific compatibility.

Technical note

Expert tip

This line reactor should be installed in series with the VFD's AC input to provide optimal protection against line notching and voltage spikes.

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Frequently asked questions

What is the primary function of the Allen Bradley 1321-3R45-B line reactor?

The 1321-3R45-B is a 3-phase line reactor designed to protect motor drives, particularly VFDs, from power quality issues. It reduces harmonic distortion and transients, extending the life of the drive.