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Siemens MBKQJ3A - Molded Case 225A 600V 3-Phase Breaker

Siemens
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Siemens MBKQJ3A Circuit Breaker is a molded case circuit breaker designed for overcurrent protection and circuit isolation in industrial power distribution systems. It is rated for 600V AC, 225A continuous current, and 3-phase operation, providing robust fault interruption capabilities. The unit measures 8.268 x 13.78 x 4.331 inches and weighs 2.998 lb, featuring a compact, high-density construction suitable for panelboard and switchboard installations. It complies with UL 489 and NEMA AB-1 standards, ensuring reliable performance under fault conditions. This breaker is commonly applied in motor control centers, lighting panels, and feeder circuits in manufacturing plants and commercial buildings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, thermal-magnetic trip, fixed mount
  • Voltage Rating: 600V AC
  • Current Rating: 225A
  • Dimensions: 8.268 x 13.78 x 4.331 inches
  • Standards: UL 489, NEMA AB-1
  • Applications: Industrial power distribution, motor control centers, feeder circuits
  • Phase: 3
  • Compatible Frames: QJ
  • Weight: 2.998 lb
  • Country of Origin: United States
  • Item Subcategory: Molded Case
  • Type: MBK


Product Identification
  • UPC: 887621579074