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Siemens HJXD63B400 - Molded Case Circuit Breaker 400A 600V 3P

Siemens
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Siemens HJXD63B400 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 7.5" x 11" x 4" and a weight of 18.301 lb. The breaker utilizes a thermal-magnetic trip unit for both long-time and instantaneous protection, offers a 65kA interrupting capacity at 480V, and operates reliably across a temperature range of -25 to 70 °C. It is compliant with relevant industry standards and is typically applied in panelboards, switchboards, and industrial control panels, with a three-pole, bolt-on configuration for secure installation.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 7.5" H x 11" W x 4" D
  • Standards: Industry Standard Compliance
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Phase: 3
  • AIC Rating: 65kA @ 480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: JD Frame
  • Trip Type: Thermal-Magnetic
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Weight: 18.301 lb
  • Additional Info: Lugs Not Included


Product Identification
  • UPC: 783643314924
  • GTIN: 00783643314924