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Siemens MBKFD3A - Sentron Series 250A 3-Pole Main Breaker

Siemens
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Siemens MBKFD3A is a three-pole circuit breaker designed for main circuit protection in industrial power distribution systems, providing reliable overcurrent and short-circuit protection. It features a 600V AC voltage rating and a fixed 250A current rating for consistent performance. The breaker is constructed with an aluminum frame in a compact form factor measuring 8.268" x 13.78" x 4.331" and weighing 3.616 lb, and it is configured as a main breaker for P1-style panelboards. This unit complies with relevant industry standards for safety and performance and is typically applied in commercial and industrial facilities for feeder and branch circuit protection within compatible FD-frame enclosures.

Key Features & Specifications
  • Type: Sentron Series, Fixed Thermal-Magnetic Circuit Breaker, Aluminum Construction
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: 8.268 in x 13.78 in x 4.331 in (H x W x D)
  • Weight: 3.616 lb
  • Standards: Meets applicable UL and IEC standards for circuit breakers
  • Applications: Main circuit protection in industrial and commercial power distribution panels
  • Configuration: Main
  • Phase: 3-Phase
  • Poles: 3
  • Frame Size: 250
  • Metal Type: Aluminum
  • Panel Type: P1
  • Panel Style: P1
  • Compatible Frames: FD
  • Breaker Type: FXD, FD, HFD
  • Amperage Maximum: 250A
  • Amperage Minimum: 250A
  • Country of Origin: United States


Product Identification
  • UPC: 887621579098
  • GTIN: 00887621579098