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Cutler Hammer LT3300FA - LT Trip Unit 300A (Series G)

Cutler Hammer
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The Cutler Hammer LT3300FA is a Series G LT trip unit designed for providing precise long-time and instantaneous overcurrent protection in industrial circuit breakers. It features a 300A current rating and a 600V voltage rating for robust electrical system protection. The unit is constructed with a compact form factor measuring 8.5" x 4" x 4.5" and a weight of 2.03 lb, featuring a three-pole, bolt-on connection for secure installation. It complies with industry standards for thermal-magnetic protection and is designed for compatibility with LW, HLW, and LWC breaker frames, making it suitable for three-phase power distribution panels, motor control centers, and other critical industrial applications.

Key Features & Specifications
  • Type: LT Trip Unit, Thermal-Magnetic Protection, Long-Time & Instantaneous (LI) Functions
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Dimensions: 8.5 in (L) x 4 in (H) x 4.5 in (W)
  • Weight: 2.03 lb
  • Standards: Designed to meet applicable industry standards for circuit protection
  • Applications: Three-phase industrial power distribution, panelboards, motor control centers
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Compatible Frames: LW, HLW, LWC
  • Family: Series G
  • Country of Origin: United States


Product Identification
  • UPC: 782116336210
  • GTIN: 00782116336210