Allen-Bradley 1321-3R1-B Line Reactor

The Allen-Bradley 1321-3R1-B (1321-3R1-B) is a line reactor engineered to provide power protection and conditioning for industrial variable frequency drive systems. Operating within the Bulletin 1321 accessory line, this reactor helps absorb electrical line disturbances, attenuates harmonic distortion, and minimizes peak current spikes that can compromise drive front-end components. By providing added inductive impedance between the power line and the connected drive, the unit reduces nuisance tripping, improves overall system power quality, and extends the service life of connected motors and drives. Weighing approximately 10 kg, the 1321-3R1-B is built for demanding automation and motor control environments. It is typically deployed on the input or output side of compatible Allen-Bradley AC drives and motor controllers across industrial manufacturing, material handling, processing lines, and machinery control panels. Its rugged design ensures dependable operation under continuous duty cycles, safeguarding critical components from voltage transients while maintaining stable electrical performance.