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Westinghouse FB3040S - Molded Case 40A 600V 3-Pole

Westinghouse
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Westinghouse FB3040S is a 3-pole molded case circuit breaker from the AB DE-ION family, designed for thermal magnetic overload and short-circuit protection in industrial power distribution systems. It is rated for 600V AC, 40A continuous current, and features a 14kA interrupting capacity at 480V AC, with LI (Long-Time and Instantaneous) trip functions for precise coordination. The unit uses a bolt-on connection, weighs 11 lb, and is built for 3-phase applications. It complies with industry standards for molded case breakers, ensuring reliable performance in panelboards and switchboards. Typical applications include motor control centers, lighting panels, and feeder circuits in manufacturing plants and commercial facilities.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, AB DE-ION Family
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • AIC Rating: 14kA@480V
  • Weight: 11 lb
  • Functions: LI - Long-Time and Instantaneous


Product Identification
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