Siemens JXD63B400 - Molded Case Circuit Breaker 400A 600V 3P
Siemens JXD63B400 - Molded Case Circuit Breaker 400A 600V 3P

Siemens JXD63B400 - Molded Case Circuit Breaker 400A 600V 3P

Siemens
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Siemens JXD63B400 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 AC voltage rating, housed within a compact JD frame with bolt-on connections and dimensions of 8.661" x 12.992" x 6.710" (220 x 330 x 170.4 mm). The breaker is constructed for robust performance, utilizing a thermal-magnetic trip unit that provides both long-time and instantaneous trip functions, and it operates reliably within a temperature range of -25°C to 70°C. It complies with key industry standards, including UL and IEC certifications, and meets RoHS requirements. Typical applications include protecting feeders, motors, and other critical equipment in commercial and industrial facilities, offering an interrupting capacity of 35kA at 480V AC to ensure system safety and continuity.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, JXD Type
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: JD Frame
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 35kA @ 480V AC
  • Phase: 3
  • Trip Functions: Long Time and Instantaneous Trip
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Standards & Certification: UL, IEC, RoHS Compliant
  • Dimensions: 8.661 in x 12.992 in x 6.710 in (220 mm x 330 mm x 170.4 mm)
  • Weight: 10.796 lb (4.9 kg)
  • Country of Origin: Mexico
  • Family: Sentron Series


Product Identification
  • UPC: 783643213098
  • GTIN: 00783643213098