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Square D MA364501124 - Molded Case Circuit Breaker 450A 600V 3-Pole

Square D
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Square D MA364501124 is a 3-pole, 450-amp molded case circuit breaker from the I-Line family, designed to provide thermal magnetic protection for industrial power distribution systems. It operates at a voltage rating of 600V and delivers an interrupting capacity of 30kA at 480V, utilizing a Long-Time and Instantaneous (LI) trip function for precise overcurrent response. The unit features an M Frame construction with an I-Line style plug-in connection, weighing 38 lb for secure panelboard installation. This breaker complies with industry standards for robust circuit protection in demanding environments. It is typically applied in commercial and industrial settings requiring reliable branch circuit or feeder protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: MA364501124
  • Type: Molded Case Circuit Breaker
  • Family: I-Line
  • Type: MA
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 30kA@480V
  • Phase: 3
  • Current Rating: 450A
  • Weight: 38 lb
  • Amperage: 450 Amps
  • Interrupt Rating: 30kA at 480V
  • Trip Unit: Thermal Magnetic
  • Series/Frame: I-Line