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Siemens CLD63B450 - Molded Case Breaker 450A 600V 3P

Siemens
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Siemens CLD63B450 is a molded case circuit breaker designed for providing reliable thermal-magnetic protection in three-phase industrial power distribution systems. It features a 600V AC voltage rating and a 450A continuous current rating within its LD frame, engineered for bolt-on connection to busbars. The breaker's robust construction supports copper or aluminum conductors from 3/0 AWG to 500 kcmil and operates across a temperature range of -25 to 70 °C. It complies with UL and IEC standards, offering an interrupting capacity of 150kA at 480V AC for effective short-circuit protection. Typical applications include service entrance, feeder protection, and integration into switchboards and panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Long Time and Instantaneous Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • Frame Size: LD Frame
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 150kA at 480V AC
  • Phase: 3
  • Wire Size: 3/0 AWG to 500 kcmil, 4/0 AWG to 500 kcmil (Copper or Aluminum)
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Certification: UL, IEC
  • Weight: 33.001 lb
  • Additional Info: Lugs are not included


Product Identification
  • UPC: 783643214262
  • GTIN: 00783643214262