Square D | FH36045-BLACK | Circuit Breaker | 45A | 3-Pole | 600V

Meet the Square D FH36045-BLACK, a 45A, 3-Pole circuit breaker designed for durable protection in maintenance, retrofit, and replacement projects where exact specifications matter. This unit is indexed by its part numberFH36045-BLACK, ensuring you match the exact device your system requires for reliable performance and safety in high-voltage environments.

Key specifications at a glance

• Amperage: 45A
• Poles: 3-Pole
• Voltage rating: 600V
• Reference: FH36045-BLACK (part number)

Why this breaker stands out

For professionals managing 3-phase electrical systems, this Square D breaker delivers precise specifications in a single, ready-to-install unit. The 3-Pole configuration provides protection across three conductors, making it well-suited for commercial panels and industrial environments where balanced, coordinated switching is essential. The 600V rating supports higher-voltage circuits, enabling safer, more efficient fault isolation and system protection.

Ideal use cases

• Maintenance: replace a worn or failed breaker to restore protected circuits quickly without compatibility concerns.
• Retrofit: upgrade legacy panels to ensure consistent protection with modern 600V equipment.
• Replacement part: keep a matching FH36045-BLACK on hand as a ready-to-install spare for critical systems.

Fitment and compatibility

Before ordering, confirm fit and ratings match your panel and electrical design. The FH36045-BLACK part number is the most reliable reference for compatibility, so verify this exact model against your equipment label and service documentation to avoid mismatches.

Practical considerations and tips

• Use this 45A, 3-Pole breaker for three-conductor circuits that operate up to 600V, ensuring proper protection for each phase.
• Keep a spare FH36045-BLACK on hand for rapid replacement and minimal downtime during maintenance windows.
• When retrofitting, cross-check panel labeling and listing to ensure continued compliance with your electrical system’s protection requirements.

Trust the Square D FH36045-BLACK for precise protection where it matters most. Its exact specifications—45A, 3-Pole, 600V—make it a dependable choice for commercial and industrial electrical protection, aligning with your system’s design intent and safety standards.