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Siemens HHLD63T450 - 450A Molded Case Circuit Breaker

Siemens
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Siemens HHLD63T450 is a Sentron Series molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 450A continuous current rating and a 600V AC voltage rating, housed within a compact 450-frame thermal-magnetic unit with a robust bolt-on connection. This three-pole breaker is certified to UL and IEC standards, complies with RoHS, and offers an interrupting capacity of 50kA at 600V or 100kA at 480V. Its LI (Long-time and Instantaneous) trip functions ensure coordinated protection, making it suitable for integration into panelboards, switchboards, and industrial control panels that utilize compatible LD, LXD, HLD, HLXD, HHLD, HHLXD, or CLD frames.

Key Features & Specifications
  • Type: Sentron Series Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • Frame Size: 450
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 50kA at 600V, 100kA at 480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Wire Size: AWG 3/0 to 500 KCMIL (Copper), AWG 4/0 to 500 KCMIL (Aluminum)
  • Standards: RoHS Compliant
  • Certification: UL, IEC
  • Compatible Frames: LD, LXD, HLD, HLXD, HHLD, HHLXD, CLD
  • Weight: 2.599 lb


Product Identification
  • UPC: 783643262584
  • GTIN: 00783643262584