Square D FA34070-BLACK 70A 3-Pole 480 V Circuit Breaker

The Square D FA34070-BLACK is a 70A, 3-pole circuit breaker crafted for 480V three-phase electrical systems. With the FA34070-BLACK designation, this device delivers dependable overcurrent protection for feeders, motors, and distribution circuits in industrial environments, helping to safeguard equipment and maintain reliable power distribution.

Key specifications

• Current rating: 70 A
• Poles: 3
• Voltage rating: 480 V
• Brand and part: Square D FA34070-BLACK

Why this 70A 3-Pole 480V breaker stands out

• Three-phase protection: The 3-pole design provides balanced, simultaneous interruption across all phases, which is essential for protecting 480V motors, pumps, and other three-phase equipment.
• Precise overcurrent protection: A 70 A rating offers targeted protection for mid-sized industrial feeders, helping prevent damage from overloads and short circuits.
• Authentic Square D performance: Keeping true to the Square D lineage, this breaker aligns with Square D panels and distribution systems, ensuring consistent electrical protection and reliable operation.
• Compact, compatible form factor: Designed to fit standard Square D enclosures used in industrial settings, making replacement and retrofits straightforward.

Ideal use cases

Use the FA34070-BLACK in 480V, three-phase applications such as motor control centers, industrial machinery feeds, and distribution panels where steady, dependable protection is required. It’s a practical choice for facilities that run heavy equipment, conveyors, pumps, and HVAC systems on a 480V network.

Installation and compatibility tips

When selecting this breaker, ensure your panel and bus configuration are designed to accept Square D FA-series devices. Verify that your system operates at 480V and that the protected downstream circuits are rated to match or exceed the 70 A protection level. For best results, replace like-for-like with a compatible FA34070-BLACK device to maintain consistent protection coordination across your 3-phase distribution.