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Siemens JXD63L400 - Molded Case Circuit Breaker 400A 600V

Siemens
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Siemens JXD63L400 is a molded case circuit breaker designed for providing instantaneous magnetic-only protection in three-phase industrial power distribution systems. It features a 400A current rating and a 600V AC voltage rating, housed within a compact JD frame with bolt-on connections and physical dimensions of 8.661" x 12.992" x 6.718" (220 x 330 x 170.6 mm). The device is certified to UL and IEC standards, complies with RoHS, and operates reliably across a temperature range of -25°C to 70°C. It is engineered for demanding applications requiring a high interrupting capacity of 35kA at 480V AC, such as protecting feeders and branch circuits in industrial control panels and switchgear.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Magnetic-Only Protection (Instantaneous Trip)
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: JD Frame
  • AIC Rating: 35kA @ 480V AC
  • Poles: 3
  • Phase: 3-Phase
  • Connection: Bolt-On
  • Trip Type: I - Instantaneous (Magnetic)
  • Standards & Certification: UL, IEC, RoHS Compliant
  • Operating Temperature: -25°C to +70°C (-13°F to 158°F)
  • Dimensions: 8.661 in x 12.992 in x 6.718 in (220 mm x 330 mm x 170.6 mm)
  • Weight: 17.899 lb
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643213623
  • GTIN: 00783643213623