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Square D MX36450G - Molded Case Circuit Breaker 450A 600V 3P

Square D
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Square D MX36450G is a molded case circuit breaker designed for providing comprehensive protection in three-phase industrial power distribution systems. It features a 600V AC voltage rating and a 450A current rating, housed within a robust enclosure measuring 8.05 in (204.47 mm) in depth, 8.27 in (210.06 mm) in width, and 12.86 in (326.64 mm) in height with a weight of 50 lb. The breaker is engineered to UL standards and offers LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) protection via a solid-state trip unit, making it suitable for critical applications in manufacturing plants, data centers, and large commercial facilities where selective coordination and high fault current interruption are required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Line Family, MX Type, Solid State Protection
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • Dimensions: 8.05 in D x 8.27 in W x 12.86 in H (204.47 mm x 210.06 mm x 326.64 mm)
  • Weight: 50 lb
  • Standards: UL Listed
  • Applications: Industrial power distribution, manufacturing facilities, data centers
  • Phase: 3
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • AIC Rating: 65kA @ 480V
  • Functions: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • Protection: Solid State Trip Unit
  • Frame: I-Line


Product Identification
  • Manufacturer Part Number: MX36450G