Siemens B115HH - 15 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens B115HH—a 15A, 120V, 1-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for durable performance, this unit is a smart upgrade for residential spaces, offices, and light industrial environments that demand reliable protection without fuss.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping maintain consistent electrical contact even in panels subject to movement or vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding to overcurrent conditions and rapidly clearing dangerous short circuits, reducing the risk of arc faults and equipment damage.
• OEM-compatible design is built to work with matching load centers and panelboards, making replacements or upgrades straightforward and dependable.
• Versatile applications suitable for residential, commercial, and light industrial installations where reliable single-pole protection at 120V is required.

Key specifications

• Manufacturer: Siemens
• Part Number: B115HH
• 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

Ideal use cases

Use the B115HH in your home’s main or sub-panels to safeguard individual circuits such as lighting, receptacles, or dedicated appliances. In small commercial setups, it provides compact, reliable protection for office lighting and equipment circuits. For light industrial environments, it offers dependable single-pole protection where space and mounting considerations favor bolt-on designs.

Why the bolt-on design matters

The bolt-on mounting not only secures a robust electrical connection but also minimizes vibration-induced wear over time. This translates to steadier performance in panels that experience movement, temperature swings, or frequent servicing. Combined with Siemens’ thermal-magnetic protection, you get consistent trip behavior across varying loads and conditions.

Practical tips for optimal results

Ensure your panelboard is designed for bolt-on breakers and is compatible with the B115HH. Follow manufacturer torque specifications during installation to maintain a solid connection, and verify that the circuit demands align with a 15A, 120V single-pole protection strategy. For ongoing reliability, pair this breaker with the appropriate Siemens OEM load center or panelboard to maintain guaranteed protection performance.

Choose the Siemens B115HH for a precise, dependable solution that safeguards circuits in a range of environments—from cozy homes to light commercial spaces—while offering the secure mounting and consistent protection you expect from a trusted OEM-compatible breaker.