Square D | FAL16020 | Circuit Breaker | 20A | 1-Pole | 277V

The Square D FAL16020 circuit breaker is a precise 20-Amp, 1-Pole device designed for 277V circuits. Identified by the exact part number FAL16020, this breaker is intended for maintenance, retrofit, and replacement tasks where matching specifications matters most. When you need dependable protection for a single hot conductor in a 277V system, this unit delivers reliable interruption and clear trip characteristics you can trust.

Key specifications

• Amperage: 20 A
• Poles: 1-Pole
• Voltage: 277 V
• Part Number: FAL16020
• Brand: Square D

Ideal use cases

• Maintenance and routine servicing of commercial electrical panels that feed 277V circuits
• Retrofits where a precise 20A, single-pole protection is required for 277V loads
• Replacement of aging or failing breakers in compatible Square D panels to restore reliable circuit protection

Why this breaker matters for your setup

Choosing a breaker with the exact 20A, 1-Pole, 277V rating ensures you protect sensitive equipment and lighting loads without overloading the circuit. The 277V rating makes it suitable for specific commercial lighting and distribution scenarios where this voltage is standard. By matching the part number FAL16020, you maximize compatibility with panels designed to accept Square D FAL-series breakers, reducing the guesswork during maintenance or upgrades.

Fit and ordering guidance

Before ordering, confirm fit and ratings against your panel’s labeling. The part number is the best reference for compatibility, so use FAL16020 when verifying replacement partners or ordering replacements for existing installations.

Practical tips and installation insights

• Plan replacements during a controlled downtime to safely test the circuit after installation
• Keep a record of the part number (FAL16020) for future maintenance cycles and warranty considerations
• Document the circuit it protects (load type, location, and panel) to simplify future servicing or upgrades