Square D | RGA36120CU33A | Circuit Breaker | 1200A | 3-Pole | 600V

Square D RGA36120CU33A Circuit Breaker is built for demanding, high-current 3‑phase systems. Designed for maintenance, retrofit, and replacement projects, this unit delivers reliable protection in industrial and commercial environments where a precise, 3-pole solution is essential.

Key specifications

• Amperage: 1200A
• Poles: 3‑Pole
• Voltage: 600V

Why this circuit breaker matters

In facilities with heavy electrical loads, a 3‑pole breaker at 600V provides coordinated protection for three-phase feeders, helping prevent damage from overloads and ensuring safer, more predictable shutdowns during faults. The RGA36120CU33A is a purpose-built replacement option when your system requires the exact part number for compatibility and performance consistency.

Ideal use cases

• Maintenance and service outages where exact‑match replacement is critical
• Retrofits to upgrade or revive older panel configurations without sacrificing reliability
• Replacement in facilities that rely on Square D components for standardized protection

Fit, compatibility, and installation notes

Before ordering, confirm that the RGA36120CU33A matches your panel or distribution equipment’s ratings and fit. The part number is the best reference for compatibility, ensuring correct mounting, busbar interface, and electrical characteristics for your setup.

Practical guidance for getting it right

• Use this unit when your system requires a 3‑pole, 1200A, 600V protection device in a Square D lineup.
• Prepare by verifying the exact part number against your equipment’s bill of materials and maintenance records to avoid mismatches.
• Keep a compliant safety protocol in place during retrofits or replacements, and follow your facility’s electrical safety procedures.