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Siemens JD63B400L - Molded Case Circuit Breaker 400A 600V 3P

Siemens
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Siemens JD63B400L 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 a feed-thru connection. The breaker utilizes a thermal-magnetic trip unit with long-time and instantaneous (LI) functions and offers an interrupting capacity of 35kA at 480V AC. It is certified to UL and IEC standards, complies with RoHS, and operates reliably across a temperature range of -25°C to 70°C (-13°F to 158°F). This model is typically applied in panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: JD Frame
  • Poles: 3
  • Phase: 3-Phase
  • AIC Rating: 35kA @ 480V AC
  • Connection: Feed-Thru
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Trip Type: Thermal Magnetic
  • Standards & Certification: UL, IEC, RoHS Compliant
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Family: Sentron Series
  • Country of Origin: Mexico
  • Weight: 19.533 lb


Product Identification
  • UPC: 783643009172
  • GTIN: 00783643009172