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Siemens LD63T450 - 3-Pole Thermal Magnetic Breaker (450A, 600V)

Siemens
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Siemens LD63T450 is a three-pole thermal magnetic circuit breaker from the Sentron Series, designed to provide reliable overcurrent and short-circuit protection for industrial power distribution systems. It features a fixed 450A current rating and a 600V AC voltage rating, housed in a compact LD frame with a weight of 2.599 lb. The breaker utilizes long-time and instantaneous trip functions for coordinated protection and is certified to UL and IEC standards, complying with RoHS environmental directives. Its typical applications include protecting feeders and branch circuits in commercial and industrial panelboards, switchboards, and motor control centers, accommodating copper conductors from AWG 3/0 to 500 KCMIL and aluminum from AWG 4/0 to 500 KCMIL.

Key Features & Specifications
  • Type: Sentron Series, Thermal Magnetic Protection, Fixed Mount
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • Poles: 3
  • Protection: Thermal Magnetic with Long Time and Instantaneous Trip Functions
  • AIC Rating: 25kA at 600V, 35kA at 480V
  • Wire Size: AWG 3/0 to 500 KCMIL (Copper), AWG 4/0 to 500 KCMIL (Aluminum)
  • Standards & Certification: UL, IEC, RoHS Compliant
  • Compatible Frames: LD Frame
  • Weight: 2.599 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643214125
  • GTIN: 00783643214125