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Siemens LXD63B400L - Molded Case Circuit Breaker 400A 600V 3P

Siemens
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Siemens LXD63B400L 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 LD frame with dimensions of 8.661" x 12.992" x 6.700" (220mm x 330mm x 170mm) and a weight of 25 lb. This thermal-magnetic breaker, part of the Sentron Series, offers LI (Long-time and Instantaneous) protection functions and is UL Listed, ensuring compliance with industry safety standards for applications such as panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Feed-Thru Connection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: LD Frame
  • Poles: 3
  • Phase: 3
  • AIC Rating: 35kA @ 480V AC
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Operating Temperature: -13°F to 158°F (-25°C to 70°C)
  • Dimensions: 8.661" x 12.992" x 6.700" (220mm x 330mm x 170mm)
  • Weight: 25 lb (11.3 kg)
  • Certification: UL Listed
  • Family: Sentron Series
  • Country of Origin: Mexico