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Siemens JXD23B400L - Molded Case Circuit Breaker 400A 3P (65kA AIC)

Siemens
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Siemens JXD23B400L 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 240V AC voltage rating, housed within a compact JD frame with dimensions of 8.661" x 12.992" x 6.705" and a weight of 19.533 lb. The breaker is constructed for feed-thru connection and complies with UL, IEC, and RoHS standards, ensuring safe operation across a temperature range of -25°C to 70°C. Its thermal-magnetic protection with long-time and instantaneous trip functions makes it suitable for safeguarding feeders and branch circuits in commercial and industrial panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, JXD Type, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 400A
  • Dimensions: 8.661" H x 12.992" W x 6.705" D
  • Standards: UL, IEC, RoHS Compliant
  • Applications: Industrial Power Distribution, Feeder & Branch Circuit Protection
  • Phase: 3
  • AIC Rating: 65kA @ 240V
  • Connection: Feed-Thru
  • 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)
  • Wire Size: AWG 3/0 to 500 KCMIL (Cu), AWG 4/0 to 500 KCMIL (Al)
  • Certification: UL, IEC
  • Weight: 19.533 lb


Product Identification
  • UPC: 783643009394
  • GTIN: 00783643009394