Siemens B2100HH - 100 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Siemens B2100HH 100A, 240V, 2-Pole Bolt-On Molded Case Circuit Breaker from AmpState offers rugged, reliable protection for your electrical system. Specifically designed for branch circuit overcurrent and short-circuit protection in panelboards and load centers, this breaker is built to perform in demanding residential, commercial, and light industrial environments. Key advantages that set the B2100HH apart

• Secure bolt-on mounting for a rigid, vibration-resistant bus connection that stays aligned under demanding conditions.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining overload sensing with instantaneous short-circuit interruption.
• Exact compatibility with matching Siemens OEM load centers and panelboards, ensuring a clean fit and dependable operation.
• 2-pole, 100A, 240V configuration ideal for protecting feeders and branch circuits in a wide range of panel setups.
• Versatile application suited for residential service upgrades, commercial panel installations, and light industrial distribution.

Why this breaker makes sense for your project

The B2100HH is more than a generic breaker. Its bolt-on design reduces contact wear and helps maintain a solid electrical connection over time, while the thermal-magnetic trip provides predictable behavior under varying loads—important for coordinating with other protection devices in the same panel. When you’re upgrading or expanding a panel, using a Siemens part that matches your existing equipment minimizes compatibility surprises and simplifies future maintenance.

Technical snapshot

• Manufacturer: Siemens
• Part Number: B2100HH
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who benefits most

• Electricians and contractors designing or upgrading residential panels, multi-unit dwellings, or light commercial spaces
• Facility managers needing reliable protection for distribution boards in commercial environments
• Homeowners undertaking panel replacements or expansions who want OEM-grade reliability

Practical considerations and tips

Pair the B2100HH with Siemens OEM panelboards or load centers to ensure seamless fitment and optimal protection coordination. When planning an upgrade, verify that the panelboard catalog specifies bolt-on molded case breakers of this type and rating. For best results, sequence the replacement with the same or compatible trip curves to maintain consistent protection across circuits, and follow all local electrical codes during installation.

In summary, the Siemens B2100HH is a purpose-built, high-reliability solution for protecting critical branch circuits in a variety of panel configurations. Its bolt-on mounting, thermal-magnetic protection, and OEM-panel compatibility deliver precise performance where dependable protection matters most—delivered through AmpState as a trusted source for Siemens electrical protection products.