Square D | FH36100-BLACK | Circuit Breaker | 100A | 3-Pole | 600V

Meet the Square D FH36100-BLACK—a reliable 100A, 3-pole circuit breaker engineered for 600V systems. This unit is the practical choice for maintenance, retrofit, and replacement projects where exact specifications matter and downtime matters less. When you need a like-for-like replacement that preserves panel coordination and protection strategy, FH36100-BLACK is built to perform.

Why this model stands out

• Exact specifications: 100A rating, 3-pole configuration, and a 600V capacity provide robust protection for three-phase circuits.
• Maintenance-ready: Designed for straightforward replacement in existing Square D installations, minimizing panel modifications.
• Retrofit-ready: A precise fit for upgrades or streaming replacements where matching the part number is essential for compatibility.

Key specifications at a glance

• Amperage: 100A
• Poles: 3‑Pole
• Voltage: 600V
• Part: FH36100-BLACK

Fit, compatibility, and practical use

Before ordering, confirm fit and ratings for your specific setup. The FH36100-BLACK part number is the most reliable reference for compatibility, ensuring the breaker aligns with your panel, bus, and existing protection scheme. This model is ideal for projects where a like-for-like replacement is required, helping you preserve protective coordination without introducing unintended changes to circuit protection.

Common use cases

• Replacing a failed or worn-out breaker in a three-phase distribution panel
• Retrofits where existing protection needs a direct, specification‑matched substitute
• Maintenance replacements to maintain consistent protection levels in 600V systems

Installation tips and best practices

• Always power down the system and verify de-energization before replacement.
• Cross-check the exact part number FH36100-BLACK against your panel’s documentation to ensure compatibility.
• Handle with care to avoid contamination or physical damage to the breaker contacts and bus connections.
• Store the replacement in a clean, dry environment to preserve performance until installation.

For anyone maintaining or upgrading 600V, three‑phase electrical systems, this Square D FH36100-BLACK circuit breaker delivers the dependable protection you expect from a trusted name in electrical safety. With precise specs and a clear path for replacement, it helps you keep critical systems resilient with minimal downtime.