1321-3R4-C | Allen-Bradley Three-Phase Line Reactor 4A 9mH IP20 Open Style

Description 

The Allen-Bradley 1321-3R4-C is a three-phase line reactor engineered to support industrial motor control and AC drive applications. Rated for 4 A with a 9 mH inductance, it stabilizes current flow and reduces line disturbances in three-phase systems. Designed for 380–480 V AC operation, it provides effective impedance to mitigate harmonics and protect connected equipment.

Technical Specifications

Information About 1321-3R4-C

The 1321-3R4-C is part of Allen-Bradley’s 1321 reactor series, a product family built for line input and line output filtering in motor drive systems. Its open-style construction allows straightforward integration into control panels while maintaining an IP20 protection rating for indoor installations. The reactor is designed for compatibility with AC drive systems across a broad voltage range, ensuring smooth electrical performance in three-phase circuits. Typical applications include harmonic reduction, surge mitigation, and stabilization of drive input currents in industrial motor and automation installations.

Key Features:

• Three-phase design: Provides balanced inductive filtering for industrial power systems.
• 4 A current rating: Supports low-power drive and motor applications.
• 9 mH inductance: Helps limit inrush currents and attenuate voltage spikes.
• Impedance of 3%: Reduces harmonics and improves overall power quality.
• Wide voltage compatibility: Operates across 380–480 V AC three-phase systems.
• Open-style construction: Simplifies installation inside protected control enclosures.
• IP20 rating: Suitable for indoor environments with minimal exposure to contaminants.
• Line input/output use: Functions effectively on both sides of AC drives.

The 1321-3R4-C delivers the reliability and precision required for line filtering and power quality improvement in motor control environments.