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ACP Electrical Fittings MIB300 - 300A 3-Pole MCCB 600V AC

ACP Electrical Fittings
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ACP Electrical Fittings MIB300 is a robust industrial molded case circuit breaker designed for primary overcurrent and short-circuit protection in electrical distribution systems. It is rated for 600V AC and carries a current rating of 300A, ensuring reliable performance in high-demand environments. The unit weighs 5.19 lb and features a compact, durable construction with a molded case housing for enhanced safety and longevity. This breaker complies with UL 489 and NEMA AB-1 standards, making it suitable for commercial and industrial applications such as motor control centers, panelboards, and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Weight: 5.19 lb
  • Standards: UL 489, NEMA AB-1
  • Applications: Motor control centers, panelboards, switchboards
  • Frame Size: MIB300
  • Trip Type: Thermal-magnetic
  • Poles: 3
  • Phase: 3
  • Frequency Rating: 50/60 Hz
  • Interrupting Capacity: 25 kAIC at 600V AC
  • Connection: Line and load side lugs
  • Mounting: Panel mount
  • Enclosure: Open type
  • Operating Temperature: -20°C to 60°C
  • Terminal Connection: Copper or aluminum
  • Wire Size: #14 AWG to 300 kcmil
  • Certification: UL Listed


Product Identification
  • Manufacturer: ACP Electrical Fittings
  • Model: MIB300
  • Weight: 5.19 lb