Square D | FCP340301021 | Circuit Breaker | 30A | 3-Pole | 480V | Bolt-On

Meet the Square D FCP340301021 circuit breaker—an industrial-grade, 30A, 3-pole protector designed for demanding 480V three-phase power distribution. Built for maintenance, retrofit, and replacement projects, this bolt-on breaker delivers dependable fault isolation and overload protection where exact specifications matter.

Key specifications at a glance

• Amperage: 30A
• Poles: 3-Pole
• Voltage: 480V
• Mounting: Bolt-On
• Part number: FCP340301021

Why bolt-on matters

• Secure, vibration-resistant mounting ideal for industrial environments where panels endure regular operation and shifts in load.
• Robust mechanical connection that helps maintain consistent electrical performance over time.
• Faster, more reliable replacement in service scenarios where downtime matters, without sacrificing safety or protection.

Ideal use cases

• Retrofits: Upgrade existing 480V three-phase panels to provide uninterrupted protection for new equipment or expanded load.
• Maintenance: Replace worn or failed breakers to restore safe, reliable power distribution on critical circuits.
• New installations: Integrate into systems requiring precise 30A protection for three-phase motor loads, compressors, and heavy equipment.

Compatibility and installation considerations

Before ordering, confirm fit and ratings match your panel and wiring configuration. The part number FCP340301021 is your most reliable reference for compatibility. This breaker is designed for panels and feeders that accept bolt-on, three-pole 480V protection—and it’s best used in applications where a dedicated 30A, 3-pole interrupting device is required.

What makes this Square D breaker stand out

Trust in a brand with a long history of industrial reliability. The FCP340301021 combines precise 30A protection with a bolt-on mounting approach that supports secure, durable installation in tough environments. If you’re upgrading distributions, retrofitting legacy hardware, or replacing a failed unit, this breaker delivers consistent performance for essential 480V, three-phase circuits.