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Westinghouse FB2040S - Molded Case Circuit Breaker 40A 600V 2-Pole

Westinghouse
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Westinghouse FB2040S is a Type FB molded case circuit breaker from the AB DE-ION family, designed for overcurrent protection in low voltage power distribution systems. It is rated for 40 amperes at 600 volts AC with 2 poles and a 1-phase configuration, providing long-time and instantaneous (LI) protection through a thermal magnetic trip mechanism. The unit features a bolt-on connection, weighs 6 lb, and has a compact molded case design with dimensions of 4.125 inches wide by 3.375 inches deep by 6 inches tall. This breaker carries an interrupting capacity of 14kA at 480V AC, ensuring reliable fault clearing in industrial and commercial environments. It is suitable for standard panelboard installations in low voltage power distribution systems.

Key Features & Specifications
  • Type: FB Molded Case Circuit Breaker
  • Ampere Rating: 40 Amps
  • Voltage: 600V AC
  • Poles: 2
  • Phase: 1
  • Trip Unit: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • AIC Rating: 14kA@480V
  • Weight: 6 lb
  • Dimensions: 4.125 inch W x 3.375 inch D x 6 inch H