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Allen Bradley 1321 Power Products 1321-3R55-B

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1321-3R55-B

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Designed for three-phase applications, the 1321-3R55-B line reactor by Allen Bradley ensures effective performance in power systems. This reactor supports a fundamental current of 55 amperes and operates efficiently within a voltage range of 200 to 690 VAC.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1321-3R55-B

ManufacturerAllen Bradley
Product TypeLine reactor
Product Line1321 Power Products
Part Number1321-3R55-B
UPC662453650661
Weight26.00 lbs (11.79 kg)
Phase CountThree-phase
Style / IngressOpen style, IP00
Fundamental Current55 A
Inductance0.5 mH
Impedance Class3% to 5% impedance
Voltage Class200 to 690 VAC
Switching FrequencyUp to 20 kHz carrier frequency
Line Frequency50/60 Hz operation
Dielectric Strength3000 V rms insulation withstand capability
Termination TypeSolid copper box lug connections
Overload Rating200% current for 30 min, 300% current for 1 min
Temperature Rise135°C average winding rise
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The Allen Bradley 1321-3R55-B is a line reactor specifically designed for three-phase power applications. It operates effectively with a fundamental current of 55 A and is suitable for a variety of voltage levels, spanning from 200 VAC to 690 VAC. The device features an open style configuration with an ingress protection rating of IP00, making it appropriate for controlled environments.

With an inductance value of 0.5 mH and an impedance classification ranging from 3% to 5%, this reactor helps manage voltage fluctuations and enhances the performance of connected equipment. It operates efficiently across a line frequency of 50 or 60 Hz and is capable of handling a maximum switching frequency that reaches up to 20 kHz.

The 1321-3R55-B ensures a high level of dielectric strength with an insulation withstand capability of 3000 V rms. It connects via solid copper box lug terminations, providing secure and reliable connections. In terms of overload tolerance, it can manage current levels of up to 200% for durations of 30 minutes and 300% for 1 minute, showcasing its robustness under demanding conditions. The average winding temperature rise associated with this line reactor is 135°C, making it imperative for users to account for thermal management within their system design.