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Eaton FS340045A - Molded Case Circuit Breaker 45A 480V 3-Pole

Cutler Hammer
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Eaton FS340045A is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 480V AC, 45A continuous current, and provides a 14kA interrupting capacity at 480V to safely clear fault conditions. The unit features a bolt-on connection, thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions, and weighs 10 lb. This breaker complies with applicable UL and NEMA standards for industrial electrical equipment. It is commonly used in panelboards, switchboards, and motor control centers for branch circuit protection in manufacturing, commercial, and utility applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, FS Series, Thermal Magnetic
  • Voltage Rating: 480V AC
  • Current Rating: 45A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • AIC Rating: 14kA@480V
  • Weight: 10 lb
  • Manufacturer: Eaton
  • Family: FS Series
  • Item Subcategory: Molded Case