1321-3RA55-B
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Overview of Allen Bradley 1321-3RA55-B
The Allen Bradley 1321-3RA55-B is a 55 Amp line reactor designed for power conditioning in industrial applications. It helps protect electrical equipment by filtering harmonics, reducing voltage spikes, and improving overall power quality. This product is housed in an IP11 (UL/NEMA Type 1) enclosure, ensuring protection in typical industrial environments. Its robust construction meets key certifications including CE, UL, UKCA, and Morocco DOC as of 2025, verifying compliance with global safety and quality standards. Ideal for use in AC motor and drive circuits, the 1321-3RA55-B enhances system reliability and reduces downtime by lowering electrical noise and transient disturbances.Key Features of Allen Bradley 1321-3RA55-B
- Rated current: 55 Amps, suitable for moderate industrial loads
- Enclosure rating: IP11 (NEMA/UL Type 1) providing protection against dust and accidental contact
- Voltage rating: Operates from 200 to 690 VAC
- Harmonic filtering to reduce distortion and improve power factor
- Overload protection: 200% of rated current for 30 minutes, 300% for 1 minute
- Meets NEMA MG-1 Part 31 for dv/dt protection, protecting sensitive equipment
- Shell made from sheet steel in line with UL and NEMA requirements
- Termination via terminal blocks for secure and reliable wiring
- Designed to minimize voltage spikes and current surges in motor and drive circuits
Technical Specs of 1321-3RA55-B
| Specification | Details |
|---|---|
| Rated Current | 55 A |
| Rated Voltage | 200-690 VAC |
| Enclosure Type | IP11 (NEMA/UL Type 1) |
| Overload Capacity | 200% for 30 min, 300% for 1 min |
| Termination | Terminal Blocks |
| Material | Sheet Steel |
| Certifications | CE, UL Listed, UKCA, Morocco DOC (as of 2025) |
Applications / Use Case
The Allen Bradley 1321-3RA55-B line reactor is essential in industrial settings where power quality and protection are critical. It is commonly used with variable frequency drives (VFDs) and AC motors to reduce harmonic distortion, limit voltage spikes, and protect downstream equipment from electrical noise and transient conditions. Typical environments include manufacturing plants, water/wastewater treatment facilities, and other industrial automation systems. By improving power conditioning, this line reactor extends the lifespan of connected devices and helps maintain stable and efficient operation of motor-driven equipment.Related Resources
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