Square D | MAP36300 | Circuit Breaker | 300A | 3-Pole | 600V

Meet the Square D MAP36300 circuit breaker—a practical, dependable solution for three‑phase protection in commercial and industrial panels. With a robust 300A rating, 3‑pole configuration, and a 600V maximum, this device is built to handle demanding electrical loads while keeping your system safe and compliant.

Key specifications at a glance

• Amperage: 300A
• Poles: 3‑Pole
• Voltage rating: 600V

Why this MAP36300 matters for your project

When you’re maintaining, retrofitting, or replacing breakers in an existing system, exact matching matters. MAP36300 is the precise reference you need to ensure compatible trip characteristics and proper fit in your panel or enclosure. Using the correct part number minimizes downtime and reduces the risk of incompatible components causing faults or misoperation.

Ideal use cases

• Maintenance replacements in Square D panels where a 300A, 3‑pole, 600V device is required
• Retrofit projects that demand exact specifications to support three‑phase circuits
• Spare parts planning to streamline field service and outages

Fit, compatibility, and ordering guidance

Notes: Confirm fit and ratings before ordering. The MAP36300 part number is the best reference for compatibility with your equipment. To validate, compare your panel’s catalog or service documentation to ensure the trip current, pole configuration, and voltage rating align with this breaker’s specifications.

Practical tips for installers

• Inspect the panel labeling to verify three‑phase system requirements match a 3‑pole, 600V device
• Keep a labeled MAP36300 spare on hand to minimize downtime during service calls
• Follow all electrical codes and safety procedures when replacing breakers to ensure secure connection and proper isolation