Schneider Electric | PQ4203GJA | Fusible Bus Plug | 30A | 4-Pole | 240V

Schneider Electric PQ4203GJA Fusible Bus Plug is a purpose-built solution for maintenance, retrofit, and replacement in compatible electrical distribution systems. With a 30A rating, 4-pole configuration, and 240V operating voltage, this plug-in component helps you maintain reliable power delivery while protecting equipment and settings from overcurrent events.

Designed to slot into Schneider Electric bus assemblies, PQ4203GJA offers a precise fit that minimizes installation guesswork during retrofits and service calls. Before you order, confirm fit and ratings on your panel—part number PQ4203GJA is your best reference for compatibility.

Key benefits

• Exact compatibility with Schneider Electric bus systems — the PQ4203GJA part number is the most reliable guide when matching components to your panel.
• Integrated fusible protection — provides overcurrent protection at 30A, helping isolate faults quickly and minimize equipment damage.
• Four-pole design — ensures robust current paths and balanced distribution across phases in 240V systems.
• Maintenance-friendly retrofit option — ideal for upgrading, replacing worn bus plugs, or refreshing aging panels without complete electrical overhauls.
• Versatile for 240V commercial/industrial environments — suitable for service entrances, switchgear, and distribution panels that require a fusible bus plug with four poles.

Specifications at a glance

• Amperage: 30A
• Poles: 4-Pole
• Voltage: 240V
• Part number: PQ4203GJA

Use cases and best practices: If you're performing a panel upgrade, use PQ4203GJA to maintain current rating while upgrading protection schemes. In a service or maintenance window, this fusible bus plug can replace a failed component to restore service quickly. Always verify compatibility with your specific Schneider Electric panel model and its ratings before installation.