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Square D PBMA36400 - 400A 3-Phase Bus Plug (600V, 30kA)

Square D
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Square D PBMA36400 Bus Plug is a 400A, 3-phase, 3-wire circuit breaker type bus plug from the I-Line family, designed for reliable overcurrent protection in industrial power distribution systems. It operates at a maximum voltage rating of 600V AC with an interrupting capacity of 30kA at 480V AC, ensuring robust fault handling. The unit weighs 200 lb and features a compact, durable enclosure suitable for panelboard mounting. It complies with applicable industry standards for safety and performance in commercial and industrial environments. This bus plug is typically used in manufacturing facilities, data centers, and large-scale electrical distribution networks to protect branch circuits and equipment.

Key Features & Specifications
  • Type: Circuit breaker type bus plug, I-Line family, PBMA series
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Phase: 3
  • Wire: 3
  • AIC Rating: 30kA at 480V AC
  • Weight: 200 lb
  • Item Subcategory: Breaker Type


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