1321-3RAB400-B

Overview of Allen Bradley 1321-3RAB400-B

The Allen Bradley 1321-3RAB400-B is a power component line reactor designed for industrial three-phase applications. Rated for 400 amps and supporting input voltages from 200 to 690 volts AC, this model helps mitigate electrical noise and protect equipment from voltage spikes. It comes housed in a NEMA 1 enclosure, suitable for floor mounting, offering durability and safety in demanding environments. The reactor reduces harmonics, minimizes voltage distortion, and improves overall power quality, making it essential for motor drives and variable frequency drive (VFD) systems. Engineered with side-facing copper terminals, it is compliant with international standards such as EN 61800-3 and ensures reliable performance in complex electrical installations.

Key Features of Allen Bradley 1321-3RAB400-B

• 400 Ampere current rating for high-power industrial use
• Supports system voltages up to 690V AC with 50/60 Hz frequency
• Inductance value approximately 0.06 mH to stabilize current flow
• IP11-UL / NEMA Type 1 enclosure protecting internal components
• Floor-mount design promoting straightforward installation
• Side facing tin-plated copper terminals for secure electrical connections
• Reduces harmonic distortion and voltage transients in power systems
• Compliance with EN 61800-3 and IEC standards ensures safety and reliability
• Compact dimensions with 363.2 x 281.9 x 238.8 mm (approx.) for space-conscious installations

Technical Specs of 1321-3RAB400-B

Parameter	Value
Fundamental Current	400 A
Inductance	0.06 mH
Input Voltage Range	200 – 690 V AC
Frequency	50 / 60 Hz
Enclosure Type	NEMA 1 / IP11-UL
Mounting Type	Floor mount
Dimensions (HxWxD)	363.2 mm x 281.9 mm x 238.8 mm
Weight	Approximately 26 kg (57 lbs)

Applications / Use Case

The Allen Bradley 1321-3RAB400-B line reactor is widely used in industrial settings to enhance the reliability and longevity of electrical equipment. It is commonly integrated with motor drives and variable frequency drives to reduce harmonic currents and limit voltage spikes that can damage sensitive components. This line reactor supports clean power delivery in large manufacturing plants, processing facilities, and automation systems. Its robust design helps stabilize electrical systems by smoothing current surges and improving power factor, which is critical for systems operating under heavy loads or fluctuating demand. By minimizing electrical disturbances, it protects connected machinery from premature failure and minimizes downtime, ensuring operational efficiency.

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