Siemens BF120AH - 20 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

The Siemens BF120AH is a compact, dependable 20A, 120V, 1-pole bolt-on molded case circuit breaker designed to protect your electrical systems in panelboards and load centers. Built to handle everyday branch-circuit overcurrent and short-circuit scenarios, it combines robust construction with precise protection this kind of equipment relies on.

• Bolt-on mounting: secure, vibration-resistant bus connection that stays put in challenging environments, reducing movement and ensuring consistent performance over time.
• Thermal-magnetic trip unit: provides stable current protection by responding predictably to overloads and instantaneous short circuits.
• 1-pole, 120V, 20A design: ideal for single-phase branch circuits in residential, commercial, and light industrial settings.
• OEM compatibility: engineered to integrate seamlessly with matching Siemens OEM load centers and panelboards for a clean, code-conscious installation.
• Versatile applications: perfect for protecting lighting circuits, outlets, and other everyday loads in homes, offices, and small business environments.

Technical snapshot: Part Number BF120AH • Type: Thermal-magnetic molded case circuit breaker • Poles: 1 • Mounting style: Bolt-on • Application: Branch circuit overcurrent and short-circuit protection.

Choosing the BF120AH means prioritizing reliability and simplicity in panel upgrades or new installs. Its bolt-on design ensures a solid bus connection, while the thermal-magnetic trip mechanism delivers predictable protection aligned with your circuit’s demands. For practitioners and installers seeking a trusted, compatible solution for 120V single-pole protection, this Siemens breaker—available through AmpState—delivers a practical, durable answer for residential, commercial, and light industrial panels.