Square D FAL34070 - 70 A, 480 V, 3-Pole Circuit Breaker | AmpState

The Square D FAL34070 is a 70A, 480V, 3-pole molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Available from AmpState, this unit combines OEM compatibility with practical, real-world performance for residential, commercial, and light industrial installations.

Key reasons to choose the FAL34070

• Space-conscious design: A compact molded case footprint helps maximize panel space and simplify interior wiring in tight electrical enclosures.
• Thermal-magnetic protection: The trip unit delivers stable, repeatable protection—efficiently responding to both sustained overcurrent and brief short-circuit events.
• 3-pole, 480V suitability: Ideal for three-phase distribution systems and commercial/industrial environments that run on 480V networks.
• OEM-compatible: Seamless replacement in matching Square D loadcenters and panelboards, preserving labeling and coordination characteristics.
• Versatile application: Perfect for protecting branch circuits in residential complexes, retail spaces, and light manufacturing setups.

Technical snapshot

• Manufacturer: Square D
• Part Number: FAL34070
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 70 A
• Voltage Rating: 480 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Use scenarios you’ll encounter:

• Replacing an aging 70A, 3‑pole breaker in a 480V panel to restore reliable service with minimal downtime.
• Protecting a three-phase motor or load center distribution that powers elevators, conveyors, or HVAC equipment in a commercial setting.
• Upgrading a light industrial panel where compact form factor and precise trip characteristics help optimize space and performance.

Practical tips for optimal results

• Verify panel compatibility and ensure the replacement breaker matches the panel’s labeling and trip characteristics.
• Follow manufacturer torque specifications during installation to maintain reliable electrical contact and prevent nuisance trips.
• Coordinate with the broader protection scheme in your service entrance or distribution network to balance safety and available capacity.