Square D | PTMA36300GCL | Bus Plug | 300A | 600V

Square D PTMA36300GCL Bus Plug is a purpose-built 300A, 600V component designed for maintenance, retrofit, and replacement tasks in compatible Square D switchgear and power distribution systems.

With a form factor and connection interface matched to Square D equipment, this bus plug helps you keep power systems safe and accessible during service. Note: Confirm fit and ratings before ordering—the PTMA36300GCL part number is the best reference for compatibility.

• Exact compatibility—directly matches the PTMA36300GCL specification for dependable alignment with the intended bus bars and interlocks.
• High current and voltage capability—rated for 300A at up to 600V, suited to demanding commercial and industrial applications.
• Minimized downtime—design supports quick, tool-friendly installation and removal by qualified technicians, speeding maintenance cycles.
• Secure, reliable operation during service—provides a stable connection to bus conductors, helping maintain system integrity while work is performed.
• Durable construction from Square D—built for repeated use in field service and equipment upgrades, delivering consistent performance over time.

The PTMA36300GCL bus plug is ideal for professionals performing panel maintenance, retrofits, or replacements where spec-matched components are essential. It’s particularly valuable in facilities with high electrical loads or where uptime is critical, such as data centers, manufacturing floors, or large commercial buildings.

Use cases

• Maintenance outages on 600V distribution panels needing secure bus isolation.
• Retrofits or upgrades where a 300A, 600V bus plug is required to match existing gear.
• Replacement parts to restore original performance and reliability after service.

Specs at a glance

• Brand: Square D
• Part number: PTMA36300GCL
• Amperage: 300 A
• Voltage: 600 V