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Siemens JXD63M400 - Molded Case Circuit Breaker 400A 600V

Siemens
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Siemens JXD63M400 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 400A current rating and a 600V voltage rating, housed within a compact JD frame with dimensions of 8.661" x 12.992" x 6.728" and a weight of 15.02 lb. The breaker utilizes a thermal-magnetic trip unit for both long-time and instantaneous protection functions, is certified to UL and IEC standards, and complies with RoHS directives. Its 35kA interrupting capacity at 480V and operational temperature range of -25°C to 70°C make it suitable for demanding applications in manufacturing plants, data centers, and commercial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Long Time and Instantaneous Trip
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 8.661" L x 12.992" H x 6.728" W
  • Standards: UL, IEC, RoHS Compliant
  • Applications: Industrial Power Distribution, Panelboards, Switchgear
  • Phase: 3
  • AIC Rating: 35kA @ 480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: JD Frame
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Weight: 15.02 lb
  • Certification: UL, IEC


Product Identification
  • UPC: 783643238619
  • GTIN: 00783643238619