Square D | PTMA36400GH | Bus Plug | 400A | 600V

Designed for Square D distribution gear, the PTMA36400GH Bus Plug delivers a robust 400A, 600V current path you can count on during maintenance, retrofit, and replacement tasks. This genuine Square D component is the precise match when your system requires the exact specs to keep power flowing safely and reliably.

Key specifications

• Amperage: 400A
• Voltage: 600V
• Part number: PTMA36400GH

Why this bus plug matters

Authentic Square D bus plugs are engineered to align perfectly with compatible panels and switchgear. The PTMA36400GH provides a secure, low-resistance connection that minimizes downtime during service windows and supports consistent electrical performance across maintenance cycles. By matching the exact part number, you reduce guesswork and ensure compatibility in field retrofit or replacement projects.

Ideal use cases

• Maintenance on Square D panels that require a reliable, ready-to-install bus plug
• Retrofit projects where current specs must be preserved to maintain system integrity
• Replacement of worn or damaged bus plug components to restore normal operation
• Spare part for critical infrastructure where uptime is essential

Fit and installation guidance

Before ordering, confirm fit and ratings for your specific equipment. The PTMA36400GH is the best reference for compatibility across Square D configurations. Installers should follow standard electrical safety practices, ensuring power is fully isolated and all work complies with local codes and professional guidelines.

Practical insights

Choosing the exact bus plug part number helps avoid mismatches that can lead to improper seating or degraded performance. If you manage multiple panels or retrofit projects, keeping a supply of PTMA36400GH on hand can streamline maintenance—reducing outage time and keeping systems aligned with original design intent.