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Allen Bradley 1321-3R12-C 3-Phase Filter

Allen Bradley 1321-3R12-C 3-Phase Output Filter

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ManufacturerAllen Bradley

Part number1321-3R12-C

Current Rating 12A

Voltage Rating 480V AC

Phase 3-Phase

Type Output Filter

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Reduces dV/dt Extends motor insulation life Mitigates harmonic distortion Protects VFD and motor 12A current rating 480V AC voltage

Product description

The Allen Bradley 1321-3R12-C is a three-phase output filter designed to protect motor drives and motors from harmful voltage spikes and electrical noise. It features a current rating of 12 Amps and a voltage rating of 480 Volts AC. This filter helps to reduce dV/dt, extend motor insulation life, and mitigate harmonic distortion in variable frequency drive (VFD) applications.

This filter is commonly used in various industrial automation applications where variable frequency drives are employed to control motor speed. Industries such as manufacturing, material handling, HVAC, and water/wastewater treatment benefit from the extended motor life and improved system reliability provided by the 1321-3R12-C.

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Technical specifications

Current Rating	12A
Voltage Rating	480V AC
Phase	3-Phase
Type	Output Filter
Manufacturer	Allen Bradley

Common applications

Variable Frequency Drives

Motor Protection

Industrial Manufacturing

Material Handling

HVAC Systems

Water Treatment

Compatible systems

Allen Bradley PowerFlex Drives Variable Frequency Drives

Also known as

1321-3R12-C Filter Allen Bradley Filter 3-Phase Motor Filter

Replaces / compatible with

This part is designed to work with various Allen Bradley Variable Frequency Drives to improve motor and drive performance and longevity.

Technical note

Expert tip

Ensure proper installation by following the wiring diagrams to maintain optimal filter performance and motor protection.

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Frequently asked questions

What is the primary function of the Allen Bradley 1321-3R12-C filter?

The primary function of the Allen Bradley 1321-3R12-C is to protect both the motor and the VFD from voltage spikes and electrical noise. It achieves this by filtering the output of the VFD, reducing dV/dt and harmonic distortion, which ultimately extends the lifespan of the motor's insulation.