Siemens BF115AHH 115A 1-Pole 120 V Circuit Breaker Potential Transformer

Meet the Siemens BF115AHH — a purpose-built, single-pole circuit breaker engineered to shield your electrical system from overloads with precision. Rated at 115 amps and designed for 120-volt circuits, this breaker fits seamlessly into residential panels and light commercial layouts where reliable overcurrent protection is a must. In some listings it appears alongside metering configurations under the label “Potential Transformer,” but its core role remains uncompromised protection for a critical branch circuit.

Key specifications

• Part Number: BF115AHH
• Current rating: 115 A
• Poles: 1
• Voltage rating: 120 V
• Type: Circuit Breaker (single-pole) for overcurrent protection

What problems does it solve?

In any electrical setup, overloads can lead to overheating, damaged appliances, and fire hazards. The BF115AHH provides rapid interruption of excess current on a single hot conductor, helping protect wiring insulation, reduce nuisance trips, and maintain safer, more reliable power delivery for essential circuits such as lighting, outlets, or specific appliances.

Ideal use cases

• Residential panels upgrading or replacing worn 1-pole breakers in living spaces, basements, or garages.
• Light commercial installations where a sturdy, trusted Siemens breaker is preferred for reliability and compatibility.
• Branch circuit protection for high-demand circuits that require a robust 115 A rating on 120 V systems.
• Panels and distribution systems that are designed to pair with Siemens protection devices for consistent performance.

Why choose the Siemens BF115AHH

• Built to integrate with Siemens panels and protection schemes, offering predictable performance and easy sourcing for replacements or upgrades.
• 115 A, 1-pole, 120 V makes it straightforward to size circuits for load calculations and panel layout while meeting common electrical codes.
• A solid choice for both new installations and replacements where a single-pole, 120-volt protection device is appropriate.

Installation and practical tips

• Always ensure the breaker type and rating match your panel’s design and the circuit requirements before installation.
• Power down the service, verify voltage at the bus, and seat the BF115AHH firmly into the panel bus and mounting clip for a secure connection.
• After installation, reset and test the circuit to confirm proper operation and uninterrupted power to the protected load.
• Keep the part number (BF115AHH) and panel compatibility notes handy for future replacements or panel upgrades.