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Siemens MBKJD3A - 3-Pole Circuit Breaker 400A 600V (JD Frame)

Siemens
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Siemens MBKJD3A is a three-pole circuit breaker designed for main circuit protection in industrial power distribution systems, providing reliable overcurrent and short-circuit protection for equipment. It features a 400A current rating and a 600V voltage rating, suitable for robust three-phase applications. The breaker is constructed for integration into P1-type panelboards and is compatible with JD-series frames, with a weight of 3.307 lb for the mounting hardware. It is certified to CSA standards, ensuring compliance with North American safety and performance requirements. Typical applications include protecting feeders and branch circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Three-pole, thermal-magnetic circuit breaker for main circuit protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Configuration: Main
  • Poles: 3
  • Phase: 3
  • Panel Type: P1
  • Compatible Frames: JD
  • Certification: CSA
  • Family: Sentron Series
  • Item Subcategory: Mounting Hardware
  • Weight: 3.307 lb


Product Identification
  • UPC: 088762158090
  • GTIN: 00887621580902