Square D | FAB34020 | Circuit Breaker | 20A | 3-Pole | 480V

Meet the Square D FAB34020 Circuit Breaker—a precise 20A, 3-pole solution engineered for 480V three-phase systems. Built to protect industrial electrical circuits, this device is ideal for maintenance, retrofit, and replacement projects where exact specifications matter and reliability is non-negotiable.

Key specifications

• Amperage: 20 A
• Poles: 3-Pole
• Voltage: 480 V
• Part number: FAB34020

Why choose the FAB34020 for your setup

• Three-pole design provides synchronized disconnection across all phases, ensuring comprehensive protection in 480V three-phase panels.
• 20-amp protection tailored for common industrial loads, balancing safety with performance in manufacturing lines and equipment rooms.
• Exact part reference ensures compatibility with Square D panels and systems that require the FAB34020 specification—no guesswork during upgrades or replacements.
• Designed for straightforward maintenance and reliable service life, making it a solid choice for routine panel servicing and long-term reliability.

Ideal use cases

• Maintenance and service of 480V three-phase electrical panels in factories, warehouses, or processing facilities.
• Retrofits where an existing circuit breaker needs to be replaced with an exact FAB34020 specification to preserve protective coordination.
• Spare part for service fleets supporting industrial equipment, ensuring quick turnaround when a 3-pole 480V breaker is required.

Compatibility and installation notes

Before ordering, confirm the fit and ratings on your panel label. The FAB34020 part number is the most reliable reference for compatibility, ensuring you match the exact trip characteristics and pole configuration your system requires.