1321-3R4-B
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Overview of Allen-Bradley 1321-3R4-B Three-Phase Line Reactor
The Allen-Bradley 1321-3R4-B is a three-phase line reactor designed for AC drive applications, providing power conditioning to reduce electrical noise, voltage spikes, and motor heating. It has a current rating of 4 Amps and an inductance of 6.5 millihenries with an impedance of approximately 3 to 5%. The reactor is suitable for use with input voltages from 200 to 690 Volts AC.
Key Features of Allen-Bradley - 1321-3R4-B
- Rated Current: 4 Amps for moderate power applications.
- Inductance: 6.5 mH helping smooth current and reduce harmonics.
- Impedance: 3 to 5 percent typical for effective line conditioning.
- Voltage Range: Applicable for 200 to 690 Volts AC, 3-phase power systems.
- Open Style Construction: Designed for easy mounting and cooling in AC drive systems.
- Application: Ideal for reducing motor stress and improving power quality in variable frequency drive installations.
Technical Specifications of 1321-3R4-B
| Model Number | 1321-3R4-B |
| Type | Three-Phase Line Reactor |
| Current Rating | 4 Amps |
| Inductance | 6.5 millihenries |
| Impedance | 3 - 5% |
| Voltage Range | 200 - 690 V AC |
| Phase | 3-Phase |
| Enclosure | Open Style (IP00) |
Applications / Use Case
The 1321-3R4-B line reactor is used in industrial motor drive systems to protect against voltage transients, reduce harmonic distortion, and extend motor and drive life. It helps improve overall system performance in adjustable-speed drives and variable frequency drive applications.
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