Siemens BF115AH - 15 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens BF115AH 15A, 120V, 1-pole bolt-on molded case circuit breaker—designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for reliable performance in residential, commercial, and light industrial settings, this breaker integrates smoothly with Siemens OEM load centers for a cohesive, trouble-free protection system.

• Secure bolt-on mounting: a rigid, vibration-resistant bus connection that stays firmly in place through equipment vibrations, cycling, and routine panel activity.
• Thermal-magnetic trip unit: combines precise thermal overload protection with an immediate magnetic response for short-circuit events, delivering stable, repeatable protection under real-world conditions.
• OEM-compatible design: engineered to work with matching Siemens panelboards and loadcenters, ensuring consistent trip characteristics and straightforward retrofits within a Siemens-based system.
• Versatile 1-pole, 15A protection: ideal for safeguarding individual branch circuits in residential panels, light commercial installations, and select 120V circuits in small industrial setups.

Technical specifications

• Manufacturer: Siemens
• Part Number: BF115AH
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Smart use cases and benefits

• Residential panels: protect lighting and receptacle circuits with predictable trip behavior, reducing nuisance trips and enhancing safety on everyday loads.
• Commercial panels: safeguard small equipment circuits in offices, retail spaces, and service rooms where reliable 120V protection is essential.
• Light industrial panels: secure control and lighting circuits in workshops or small machinery areas where mounted durability and a stable trip curve matter.

Why choose this Siemens BF115AH breaker

Unlike generic plug-in alternatives, the BF115AH’s bolt-on mounting delivers a tighter, vibration-resistant connection to the bus, minimizing the risk of loose contacts in dynamic environments. The thermal-magnetic trip unit provides a balanced protection profile—thermal for sustained overloads and magnetic for rapid responses to short circuits—helping to prevent damage to wiring and downstream devices. Its OEM-compatible design means a smoother integration with Siemens panelboards and loadcenters, streamlining installation, service, and future maintenance within your existing Siemens ecosystem.

In short, the BF115AH is a purpose-built solution for reliable, compliant 120V protection on a 1-pole channel. It’s the thoughtful upgrade for maintaining electrical safety, continuity, and peace of mind across residential, commercial, and light industrial applications.