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Siemens MBKFD3250A - Molded Case 250A 600V 65kA

Siemens
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The Siemens MBKFD3250A is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 600V AC and carries a 65kA interrupting capacity at 600V, ensuring robust fault clearing capability. This FD-type breaker measures 8.268 x 8.268 x 9.843 inches and weighs 13.029 lb, featuring a compact, high-density construction suitable for panelboard and switchboard installations. It complies with UL and NEMA standards for safety and performance in commercial and industrial environments. Typical applications include motor control centers, feeder circuits, and main disconnect panels in manufacturing plants and heavy machinery operations.

Key Features & Specifications
  • Type: Molded Case, FD Frame, Thermal-Magnetic Trip
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: 8.268 x 8.268 x 9.843 inch
  • Weight: 13.029 lb
  • AIC Rating: 65kA at 600V AC
  • Compatible Frames: FD
  • Country of Origin: Mexico
  • Standards: UL 489, CSA, NEMA AB1
  • Applications: Industrial power distribution, motor protection, feeder circuits
  • Poles: 3-Pole
  • Phase: 3-Phase
  • Connection: Line/Load Lug
  • Mounting Style: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Terminal Connection: Aluminum/Copper Rated
  • Circuit Breaker Mounting Style: Fixed
  • Installation Type: Panelboard/Switchboard
  • Item QTY: 1
  • Breaker Frame: FD
  • Current Rating: 250A
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not Applicable
  • On-State Current: Not Applicable


Product Identification
  • UPC: 887621791667
  • GTIN: 00887621791667