Square D | FA34070CBA1021 | Circuit Breaker | 70A | 3-Pole | 480V

Square D FA34070CBA1021 is a purpose-built 70A circuit breaker designed for 3‑pole, 480V three‑phase electrical systems. This model is a precise match for maintenance, retrofit, and replacement projects where exact specifications matter, helping keep your power distribution safe and reliable.

• Amperage: 70A
• Poles: 3‑Pole
• Voltage rating: 480V
• Part reference: FA34070CBA1021

Why this Square D circuit breaker stands out in demanding environments: it’s built to preserve continuous service in commercial or industrial settings where 480V three‑phase power is a standard. Its 70A rating provides robust protection for feeders and distribution circuits, helping prevent overloads and short circuits from cascading into equipment downtime.

Ideal use cases

• Maintenance tasks where existing panel components require exact part matching to avoid compatibility issues.
• Retrofits in facilities upgrading or reconfiguring 3‑phase distribution without changing the entire panel lineup.
• Spare parts for service crews who need reliable, field-verified Square D components for 480V systems.
• Replacement of failed or damaged breakers in setups that require 3‑pole protection and 480V operation.

How to ensure the right fit

Before ordering, verify that the installation environment calls for a 70A, 3‑Pole, 480V circuit breaker and use the part number FA34070CBA1021 as the primary compatibility reference. This precise reference helps prevent mismatches with panels or bus configurations and reduces the risk of installation delays.

Practical tips for installation and care

• Match the breaker's model number to your existing Square D components to ensure seamless integration.
• Consult your panel labeling to confirm that 3‑pole, 480V devices are permitted in the circuit location you’re servicing.
• Keep a small inventory of commonly required FA34070CBA1021 units for quick replacements and reduced downtime during maintenance cycles.

For reliable, high‑stakes electrical protection in 480V three‑phase systems, the Square D FA34070CBA1021 70A 3‑pole breaker delivers dependable performance tailored to professional installation and ongoing operation. Use the exact part number to lock in compatibility and keep your power distribution protected.