Square D | PTMA36400GCLH | Bus Plug | 400A | 3-Pole | 600V

Meet the Square D PTMA36400GCLH Bus Plug — a rugged, high-current solution engineered for reliability in industrial electrical environments. With a 400A rating, a 3-pole configuration, and a 600V maximum, this bus plug is purpose-built for maintenance, retrofit, and replacement projects where exact compatibility matters.

Key features and benefits:

• 400 Amp capacity supports demanding 3-phase power distributions without compromising performance.
• 3-Pole design aligns with standard three-phase systems, delivering dependable, balanced power transfer.
• 600V rated suitable for common industrial and commercial switchgear applications.
• Precise compatibility engineered to integrate with Square D bus plug assemblies, helping maintain proper contact, alignment, and electrical integrity.
• Durable construction built to withstand demanding environments typical of service entrances, panels, and retrofits.
• Focused for maintenance and retrofits reduces downtime by providing a straightforward, reference-part replacement for existing equipment.

Why this matters for you

• Efficiency in outages a ready-to-go bus plug minimizes system downtime during maintenance windows or planned retrofits.
• Accurate restocking using the exact part number PTMA36400GCLH ensures you’re matching the original specifications and compatibility with your Square D infrastructure.
• Longevity and reliability designed to maintain stable electrical contact over time, supporting consistent performance in load scenarios.

Who this is ideal for

• Maintenance teams performing scheduled outages on Square D switchgear and bus duct systems.
• Retrofit projects upgrading or replacing aging bus plugs to meet current 400A, 3-pole, 600V standards.
• Facilities engineers seeking a precise, spec-matched replacement part to minimize compatibility risk.

Important ordering note

Confirm fit and ratings before ordering. The part number PTMA36400GCLH is the best reference for compatibility with your equipment. If you’re aligning this bus plug with existing Square D components, this exact part ensures a reliable, straightforward installation and ongoing performance.

Practical pointers for handling and installation

• Power should be isolated and locked out before removal or replacement of any bus plug.
• Inspect mating surfaces and contacts for cleanliness and signs of wear prior to installation.
• Store and handle components in a clean, dry environment to preserve contact integrity.