Square D QOB115DF 15A 1-Pole 120 V Circuit Breaker

Square D QOB115DF 15A 1-Pole 120V Circuit Breaker — Part Number QOB115DF. This 15-amp, single-pole breaker is designed for 120-volt residential circuits, delivering focused protection for branch wiring and connected loads.

• Current rating: 15 A
• Poles: 1
• Voltage rating: 120 V
• Part number: QOB115DF
• Brand: Square D

Built as a genuine Square D component, the QOB115DF provides dependable interruption for circuits that power lighting, outlets, and other everyday residential loads. By precisely limiting current to a safe level, it helps prevent overheating and potential wiring damage, giving you peace of mind for routine electrical usage.

Ideal use cases

• Replacing a blown 15A breaker in standard 120V residential panels
• Protecting lighting circuits and general receptacle runs in homes or apartments
• Stocking a reliable spare for maintenance or future panel upgrades

Why choose this model? It’s a dedicated, exact-match component from Square D, designed to meet the specific 15A, 1-Pole, 120V specification with a compact form factor that fits typical residential load centers. This minimizes the guesswork when performing replacements and helps ensure consistent performance with existing electrical infrastructure.

Practical tips: Before replacement, verify that the panel accepts QOB-series breakers and that the circuit load does not exceed circuit ratings. Always switch off main power and follow safe electrical practices. If you’re unsure about compatibility or installation, consult a licensed electrician for guidance.