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ITE HJ3T300 - Circuit Breaker Trip Unit 300A 600V 3-Pole

ITE
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ITE HJ3T300 is a 3-pole thermal magnetic circuit breaker trip unit designed for overcurrent protection in commercial and industrial electrical systems. It is rated for 600VAC at 300 amps, providing long-time and instantaneous (LI) protection functions. The unit weighs 6 lb and features a bolt-on mounting style for secure installation within ITE HJ series molded case frames. It is UL Listed and offers a high interrupting capacity of 65kA at 480V. This trip unit is suitable for retrofit and replacement applications in legacy ITE panels and distribution equipment.

Key Features & Specifications
  • Type: HJ
  • Poles: 3
  • Voltage Rating: 600VAC
  • Amperage: 300A
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Mounting Type: Bolt-On
  • Interrupt Rating: 65kA@480V
  • Compatible Frames: HJ
  • Weight: 6 lb
  • Certifications: UL Listed


Part Number: HJ3T300