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Westinghouse FB2040SL - Molded Case Circuit Breaker 40A 600V (2-Pole)

Westinghouse
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Westinghouse FB2040SL is a 2-pole molded case circuit breaker from the AB DE-ION family, designed for reliable overcurrent protection in industrial and commercial power distribution systems. It is rated for 40 amps at 600 volts AC, providing long-time and instantaneous (LI) protection through a thermal magnetic trip unit. This compact unit weighs 6 lb and features a feed-thru connection for straightforward panel mounting. The breaker carries an interrupting capacity of 14kA at 480V, meeting rigorous safety and performance standards for branch circuit protection. It is well-suited for motor control centers, lighting panels, and other single-phase applications requiring dependable overload and short circuit isolation.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Model: FB2040SL
  • Type: FB
  • Family: AB DE-ION
  • Item Subcategory: Molded Case
  • Poles: 2
  • Phase: 1
  • Current Rating: 40A
  • Voltage Rating: 600V
  • Interrupt Rating: 14,000 Amps at 600V
  • AIC rating: 14kA@480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Mounting Type: Feed-Thru
  • Weight: 6 lb