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Westinghouse FB3040SL - Molded Case Breaker 40A 600V 3 Pole

Westinghouse
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Westinghouse FB3040SL is a 40 Amp, 600 Volt, 3 Pole molded case circuit breaker from the AB DE-ION family, designed for overcurrent protection in industrial and commercial power distribution systems. It utilizes a thermal magnetic trip unit with LI (Long-Time and Instantaneous) functions, providing a symmetrical interrupting rating of 14kA at 480V AC and 15,000 asymmetrical / 14,000 symmetrical at 600V AC. The breaker features a feed-thru connection, weighs 11 lb, and is constructed for panel mounting with a fixed trip setting. It is UL listed for safety and performance, ensuring compliance with industry standards. This 3-phase breaker is suitable for robust circuit protection in panelboards and switchboards.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Part Number: FB3040SL
  • Item Subcategory: Molded Case
  • Family: AB DE-ION
  • Type: FB
  • Series/Frame: FB Frame
  • Amperage: 40 Amp
  • Voltage: 600 Volt AC
  • Poles: 3 Pole
  • Phase: 3
  • Protection: Thermal Magnetic
  • Trip Unit: Thermal Magnetic, Fixed Trip
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 15,000 Asymmetrical, 14,000 Symmetrical @ 600V AC
  • AIC rating: 14kA@480V
  • Connection: Feed-Thru
  • Mounting Type: Panel Mount
  • Weight: 11 lb
  • Certification: UL Listed