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Square D PBLI34450 - Circuit Breaker Bus Plug 600V 450A

Square D
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Square D PBLI34450 Bus Plug is a circuit breaker type bus plug designed for primary overcurrent protection within industrial power distribution systems. It operates at a voltage rating of 600V and a continuous current rating of 450A, with a high interrupting capacity of 200kA at 480V. This unit features a 3-wire, 3-phase configuration and weighs 185 lb, constructed as part of the I-Line family for direct busway mounting. It complies with applicable NEMA and UL standards for industrial electrical equipment. Typical applications include providing branch circuit protection in manufacturing plants, data centers, and large commercial facilities where reliable power distribution is critical.

Key Features & Specifications
  • Type: Circuit breaker type bus plug, I-Line family
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • AIC Rating: 200kA@480V
  • Phase: 3
  • Wire: 3
  • Weight: 185 lb
  • Item Subcategory: Breaker Type


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