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Square D PQ4603J - Class J 30A 600V (3-Phase Bus Plug)

Square D
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Square D PQ4603J is a fusible bus plug designed for branch circuit protection and disconnection in industrial power distribution systems. It operates at a voltage rating of 600V AC with a current rating of 30A, providing a high interrupting capacity of 200kA at 480V for robust fault protection. This three-phase unit weighs 30 lb and accepts Class J fuses, with a wire size of 4 AWG for secure connections. It complies with industry standards for safety and reliability in electrical panels. Typical applications include motor control centers, lighting panels, and manufacturing equipment requiring dependable overcurrent protection.

Key Features & Specifications
  • Type: Fusible bus plug, I-Line family, PQ series
  • Voltage Rating: 600V AC
  • Current Rating: 30A
  • AIC Rating: 200kA at 480V
  • Phase: 3
  • Fuse Class: J
  • Wire Size: 4 AWG
  • Weight: 30 lb
  • Standards: UL listed, CSA certified
  • Applications: Industrial power distribution, motor control, lighting panels


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