Square D | PKI34250 | Bus Plug | 250A | 480V | 200kA

Square D PKI34250 Bus Plug — a purpose-built solution for reliable, modular connections in 480V electrical distributions. This bus plug is rated for 250A continuous operation and carries a formidable 200kA interrupting rating, making it well-suited for demanding industrial environments where uptime matters.

Designed for maintenance, retrofit, and replacement projects, the PKI34250 enables quick, safe isolation and reconfiguration of feeders without invasive rewiring or panel replacement. Its robust construction is engineered to withstand the rigors of industrial duty, while its plug-in design simplifies field service and reduces downtime during servicing.

Key specifications at a glance

• Amperage: 250A
• Voltage: 480V
• Short-circuit/rated interrupting capability: 200kA
• Part number: PKI34250
• Brand: Square D
• Best compatibility reference: PKI34250 part number

Why this bus plug matters

• Minimized downtime: Quick installation and removal during maintenance windows keeps production moving.
• Reliable 480V performance: Designed to handle standard industrial distribution voltages with a strong 250A capacity.
• Strong protection margin: With a 200kA rating, it provides substantial protection in fault conditions, helping to safeguard connected feeders and equipment.
• Maintenance-ready and retrofit-friendly: Perfect for upgrading or replacing aging bus plugs without a full switchgear overhaul.

Ideal applications and use cases

• Maintenance outages in industrial plants where rapid replacement of bus plugs is critical for uptime.
• Retrofit projects updating old switchgear to current 480V distribution standards without replacing entire assemblies.
• Replacement for worn or damaged bus plugs in 250A, 480V circuits within commercial and light-industrial facilities.

Compatibility and ordering tips

Note: Confirm fit and ratings prior to ordering. The PKI34250 part number is the most reliable reference for compatibility with your equipment. When in doubt, use the PKI34250 reference to verify that your switchgear accepts this exact bus plug configuration.

Pro tip for inventory and planning: keep PKI34250 on hand as a standard spare for preventive maintenance programs and planned outages. Its plug-in design streamlines service workflows and helps you maintain steady, uninterrupted system performance.