Siemens B115AFH - 15 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

When your electrical system demands dependable, fast-acting protection, the Siemens B115AFH 15A, 120V, 1-pole bolt-on molded case circuit breaker delivers. Engineered for branch circuit overcurrent and short-circuit protection in panelboards and load centers, this unit blends robust construction with precise protection.

• Secure bolt-on mounting provides a rigid bus connection and helps resist vibration, reducing wear and maintaining consistent protection over time.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining a thermal element for gradual overloads with a magnetic element for instantaneous short circuits.
• OEM-compatible design is built to work with matching Siemens load centers and panelboards, simplifying replacement and ensuring reliable performance.
• Versatile applications ideal for residential, commercial, and light industrial circuits requiring dependable branch-circuit protection.

Designed for practical, real-world use, the B115AFH protects a wide range of circuits without complicating your panel maintenance. Its 15A rating at 120V makes it a precise fit for lighting, outlet runs, small-appliance circuits, or any single-pole branch circuit where reliable protection is essential.

How it protects your system

The built-in thermal-magnetic trip unit reacts to overloads and short circuits with predictable timing, ensuring that faults are cleared quickly while avoiding nuisance trips during normal operation. This balance helps keep downtime to a minimum and supports long-term panel reliability in varying ambient conditions.

Ideal use scenarios

• Residential main and subpanels requiring 15A, 120V protection for individual circuits
• Small commercial or light industrial panels where a bolt-on, molded-case solution is preferred
• Replacement in OEM panelboards to maintain compatibility and performance

Technical specifications

• Manufacturer: Siemens
• Part Number: B115AFH
• 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

Upgrade your panel with the Siemens B115AFH to ensure reliable, OEM-aligned protection that keeps your circuits safe and responsive across residential, commercial, and light industrial installations.