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Square D PBLI34300 - 300A 3-Phase Bus Plug (600V, 200kA AIC)

Square D
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Square D PBLI34300 Bus Plug is a 300A, 3-phase, 600V circuit breaker type unit designed for primary overcurrent protection within industrial power distribution systems. It integrates a 200kA interrupting capacity at 480V and features a 3-wire configuration, housed in a robust I-Line panel style enclosure weighing 185 lb for secure installation. The unit is constructed with a metal enclosure and utilizes a fusible switch or circuit breaker mechanism for reliable operation, complying with industry standards for electrical safety and performance. This bus plug is engineered for demanding industrial environments, providing branch circuit protection in panelboards and switchboards for manufacturing, processing, and heavy machinery applications.

Key Features & Specifications
  • Type: Circuit breaker type bus plug, I-Line family, PBLI series
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • AIC Rating: 200kA at 480V
  • Phase: 3
  • Wire: 3
  • Weight: 185 lb
  • Enclosure: Metal
  • Panel Style: I-Line
  • Installation Type: Plug-on for I-Line panelboards
  • Frequency Rating: 60 Hz
  • Nema Rating: Suitable for industrial environments
  • Standards: UL listed, CSA certified


Product Identification
  • UPC: Not available
  • GTIN: Not available