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Square D PQ4203J - Class J Fusible 30A 240V 3-Phase

Square D
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Square D PQ4203J is a fusible bus plug designed for overcurrent protection in industrial power distribution systems. This 30A unit operates at 240V AC with a 200kA interrupting capacity at 240V, utilizing Class J fuses for high-performance fault interruption. The three-phase device weighs 30 lb and accommodates 4 AWG wire connections, featuring an I-Line design for direct mounting on Square D panelboards. It complies with UL and NEMA standards for industrial electrical safety. Typical applications include branch circuit protection in manufacturing facilities, commercial buildings, and heavy machinery power feeds.

Key Features & Specifications
  • Type: Fusible bus plug, I-Line style, Class J fuse
  • Voltage Rating: 240V AC
  • Current Rating: 30A
  • Phase: 3
  • AIC Rating: 200kA@240V
  • Wire Size: 4 AWG
  • Weight: 30 lb
  • Family: I-Line
  • Subcategory: Fusible
  • Fuse Class: J


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