Square D | PTMA36300G | Bus Plug | 300A | 3-Pole | 600V

Meet the Square D PTMA36300G Bus Plug — a purpose-built connection module crafted for high-demand electrical distribution. With a 300 A rating, 3-Pole configuration, and a 600 V capacity, this bus plug is designed for reliability in maintenance, retrofit, and replacement projects where exact compatibility matters.

Why the PTMA36300G stands out

Engineered to integrate seamlessly with Square D bus systems, this bus plug delivers a dependable path for power in complex electrical layouts. Its three-pole design supports essential three-phase configurations, while the 300 A rating handles substantial load without compromising safety. When you’re upgrading or replacing components in an existing panel, the PTMA36300G provides a precise fit to help you avoid nuisance gaps or misalignment that can disrupt service.

Key benefits

• Accurate compatibility reference — use the part number PTMA36300G as your primary reference to confirm fit with your Square D bus system. Always verify the exact ratings and pole arrangement before purchasing.
• High-current capability — designed to carry up to 300 A, supporting demanding power distribution needs without compromising performance.
• Three-pole configuration — optimized for typical three-phase applications, enabling balanced distribution and streamlined wiring layouts.
• Voltage readiness — rated for 600 V, making it suitable for standard industrial and commercial power environments.
• Maintenance, retrofit, and replacement use — a versatile solution for equipment upgrades, part replacement, or system modernizations within Square D ecosystems.

Ideal use scenarios

• Maintenance projects where an exact Square D bus plug replacement is required to maintain system integrity.
• Retrofits that necessitate upgrading or reconfiguring a bus arrangement without changing the entire panel.
• Replacement of worn or damaged bus plugs during routine service to restore solid electrical connections.
• Renovations or expansions of power distribution where compatibility with existing Square D gear is essential.

Compatibility & fit

Before ordering, confirm that the equipment match aligns with your Square D installation. The PTMA36300G part number serves as the most reliable reference for compatibility, ensuring the bus plug will align with your bus assembly and electrical ratings. If your setup requires precise pole count and voltage, verify these specifications match your current hardware configuration to prevent mismatches during installation.

Specifications at a glance

• 300 A
• Poles: 3-Pole
• Voltage: 600 V
• Part number: PTMA36300G
• Brand: Square D

Practical tips for best results

• Coordinate with your electrical drawings to ensure the bus plug’s pole configuration matches the circuit layout and protection strategy.
• Keep the original part number handy during procurement and when communicating with support teams to avoid misfits.
• Have a qualified electrician perform the installation, following all safety protocols and local electrical codes.

With the Square D PTMA36300G Bus Plug, you get a targeted solution that prioritizes exact fit, reliable current handling, and straightforward retrofit or replacement workflows. If your project demands a precise, durable bus plug within a 600 V environment, this 3-Pole, 300 A component is built to meet those demands with clarity and confidence.