Square D | PTMA36300 | Bus Plug | 300A | 600V

Square D PTMA36300 Bus Plug — a purpose-built interface for maintenance, retrofit, and replacement tasks in 600V electrical distributions. This 300A bus plug is engineered to Square D specifications, delivering a secure, compatible fit for select Square D switchgear and bus assemblies.

• Precisely matched form factor to ensure proper seating and reliable contact with compatible bus systems.
• Rated for 300A continuous operation in 600V environments, supporting high-demand distribution tasks.
• Designed to streamline maintenance and retrofit projects by providing a straightforward plug-in solution that minimizes downtime.
• Part number PTMA36300 serves as the best reference for compatibility with the corresponding Square D equipment.

Key specifications

• Amperage: 300A
• Voltage: 600V
• Part number: PTMA36300

Ideal use cases

• Maintenance: safely isolate a section of the bus to perform service work without overhauling the entire panel.
• Retrofit: upgrade aging installations with a plug-and-play solution that aligns with existing Square D components.
• Replacement: stock for quick, dependable substitutions when a bus plug reaches end-of-life or shows wear.

Compatibility and ordering tips

Before you order, confirm fit and ratings for your specific application. The PTMA36300 part number is the most reliable reference to ensure you’re selecting the correct bus plug for your Square D equipment and 600V system.

Who benefits most

• Electrical contractors carrying spare parts kits for service calls.
• Facilities managers overseeing 600V distribution in commercial or industrial settings.
• Panel technicians performing routine maintenance, upgrades, or replacements in Square D installations.