Allen-Bradley 140U-H2C3-C45 Molded Case Circuit Breaker

Allen-Bradley 140U-H2C3-C45 Molded Case Circuit Breaker is a three-pole, 45 A protective device in the 140U/H-Frame family designed for industrial power distribution. Engineered for 480 V AC at 60 Hz service, this H-Frame breaker provides fixed thermal-magnetic protection, offering overload and short-circuit protection with an interrupting rating in the 20–29 kA range at the rated voltage. Suitable for guarding 3‑phase feeders in control panels and motor circuits, the 140U-H2C3-C45 is built for reliability in demanding environments and is part of Allen-Bradley’s Rockwell Automation line of molded case circuit breakers, known for compact form, stable trip characteristics, and straightforward installation in compatible enclosures.