Siemens B2110 - 110 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

For electricians and panel installers who need trusted, high‑performance protection, the Siemens B2110 110 A, 240 V, 2‑pole Bolt‑On Molded Case Circuit Breaker delivers precise overcurrent and short‑circuit protection with dependable, long‑term reliability. Built to integrate smoothly with Siemens panelboards and load centers, it’s a smart choice for a wide range of residential, commercial, and light industrial applications.

• Secure bolt‑on mounting – A rigid, vibration‑resistant bus connection that stays tight through panel movement and electrical noise, reducing nuisance trips and connection wear.
• Thermal‑magnetic trip unit – Provides stable, repeatable protection across temperature fluctuations and varying load conditions, helping you avoid unexpected outages.
• OEM‑compatible design – Engineered to pair with matching Siemens load centers and panelboards for straightforward replacement and dependable performance.
• Versatile application – Ideal for standalone or add‑on protection in residential panels, commercial spaces, and light industrial setups where reliable branch circuit protection matters.

Technical snapshot

• Manufacturer: Siemens
• Part Number: B2110
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 110 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Mounting Style: Bolt‑on
• Application: Branch circuit overcurrent and short‑circuit protection

Choosing the B2110 means selecting a time‑tested solution that prioritizes consistent trip characteristics and a solid mechanical connection. If you’re upgrading or stocking a Siemens‑compatible panel, this 2‑pole bolt‑on breaker delivers predictable performance and seamless integration, helping you complete projects faster with fewer compatibility concerns.

Practical tips for best results: ensure a clean mounting surface for optimal contact, confirm the 110 A rating matches the protected load estimates, and inspect the mounting rails for wear during replacement to preserve a tight, reliable connection.