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ABB JL3-B300 - Molded Case Circuit Breaker 300A 600V

ABB
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ABB JL3-B300 is a three-pole molded case circuit breaker designed for overcurrent protection in industrial and commercial electrical distribution systems. It provides reliable performance in 600V AC systems with a 300 Amp rating, utilizing thermal-magnetic trip technology for coordinated fault and overload protection. The unit features a compact JL frame design with a 400 Amp frame capacity, bolt-on mounting for secure installation, and weighs 19.8 lb. It complies with industry standards for electrical safety and performance at 50/60 Hz frequency. This breaker is suitable for a wide range of industrial applications requiring robust circuit protection.

Key Features & Specifications
  • Manufacturer: ABB
  • Item Subcategory: Molded Case
  • Weight: 19.8 lb
  • Amperage: 300 Amp
  • Voltage: 600V AC
  • Poles: 3
  • Frame Size: JL (400 Amp Frame)
  • Mounting Type: Bolt-on
  • Trip Unit: Thermal Magnetic
  • Interrupting Rating: 25 kA at 600V
  • Frequency: 50/60 Hz