Square D | PTMA36300GH | Bus Plug | 300A | 600V

Square D PTMA36300GH Bus Plug is a genuine OEM component engineered to integrate seamlessly with compatible Square D busbar systems. With a 300 A amperage rating and a 600 V maximum, it handles demanding distribution tasks while supporting quick maintenance and efficient retrofits.

Ideal for maintenance, retrofit, and replacement projects where exact specifications matter, this bus plug helps you preserve system integrity and minimize downtime by ensuring a precise fit and reliable electrical contact.

Key specifications at a glance

• Amperage: 300 A
• Voltage: 600 V
• Part number: PTMA36300GH
• Compatibility: Designed for Square D busbar assemblies; use PTMA36300GH as the best reference to confirm compatibility

Why it matters for your electrical distribution

When servicing or expanding a distribution system, using a bus plug that matches OEM design reduces contact resistance, improves thermal performance, and preserves protective interlocks and enclosure compatibility. The PTMA36300GH is built to endure industrial environments, delivering a solid, secure connection under load.

Ideal use cases

• Maintenance shutdowns: replace or isolate sections quickly without reconfiguring the entire panel
• Retrofits and expansions: adapt existing Square D installations to new layout or load requirements
• Component replacement: swap worn or damaged plugs to restore full functionality

Who should consider this part

• Electrical engineers and procurement teams working with Square D gear
• Maintenance technicians performing servicing on industrial panels and switchgear
• Facilities managers overseeing reliability and uptime in commercial/industrial facilities

Important compatibility note

Always confirm fit and ratings before ordering. The part number is the best reference for compatibility, and PTMA36300GH is the exact model you’ll need for matching Square D bus plug specs.