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ITE HJ63B300 - Molded Case Breaker 300A 600V 3-Pole

ITE
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ITE HJ63B300 is a 300 Amp, 600 Volt, 3-pole molded case circuit breaker designed for overcurrent protection in three-phase AC power systems. It utilizes a thermal magnetic trip mechanism with long time and instantaneous trip functions to safeguard electrical circuits from overloads and short circuits. The breaker features a JJ63 frame with bolt-on mounting and weighs 22 lb, offering a high interrupting capacity of 65kA at 480V AC. This unit complies with industry standards for molded case circuit breakers and is suitable for industrial and commercial distribution panels. Typical applications include protecting feeders, motors, and branch circuits in manufacturing facilities, data centers, and infrastructure projects.

Key Features & Specifications
  • Manufacturer: ITE
  • Amperage: 300A
  • Voltage: 600V AC
  • Poles: 3
  • Phase: 3 Phase
  • Frame Type: JJ63
  • Mounting Type: Bolt-On
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Trip Unit: Thermal Magnetic, Non-Interchangeable
  • Interrupt Rating: 65kAIC at 480V
  • AIC rating: 65kA@480V
  • Terminal Type: Load Side Lug Terminals
  • Weight: 22 lb
  • Item Subcategory: Molded Case