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Q2M3225MBH - Molded Case Circuit Breaker 225A 480V

United Fuses
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Q2M3225MBH is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 480V AC with a current rating of 225A, providing reliable interruption of fault currents. The unit weighs 5.19 lb and features a compact frame construction suitable for panelboard or switchboard installation. This breaker complies with UL 489 and NEMA AB-1 standards for safety and performance. Typical applications include motor control centers, lighting panels, and feeder circuits in manufacturing facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 480V AC
  • Current Rating: 225A
  • Weight: 5.19 lb
  • Standards: UL 489, NEMA AB-1
  • Applications: Industrial power distribution, motor protection, feeder circuits
  • Poles: 3
  • Frame Size: 225A frame
  • Trip Type: Thermal-magnetic
  • Connection: Line and load side lugs
  • Mounting: Panelboard or switchboard
  • Frequency Rating: 50/60 Hz
  • Phase: 3-phase
  • Interrupting Rating: 25 kAIC at 480V AC
  • Terminal Connection: Copper or aluminum wire
  • Wire Size: #14 AWG to 4/0 AWG
  • Operating Temperature: -20°C to 60°C
  • Insulation Temperature: 105°C
  • Enclosure: Open type (no enclosure)
  • Certification: UL listed, CSA certified


Product Identification
  • UPC: Not available
  • GTIN: Not available