Eaton BAB2100S - 100 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton BAB2100S — a 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. With a 100A, 240V rating and a thermal-magnetic trip unit, this device provides precise, repeatable protection against overloads and short circuits while standing up to the vibration and busy loads common in real-world electrical installations.

Key benefits that matter in the field

• Secure bolt-on mounting: a rigid bus connection that resists vibration and movement, helping maintain accurate trip timing and consistent protection over time.
• Thermal-magnetic trip unit: combines thermal overload sensing with magnetic trip for rapid response to short circuits, reducing the risk of damage to circuits and connected equipment.
• OEM-compatible design: engineered to work with matching Eaton OEM load centers and panelboards, simplifying upgrades, replacements, and service in established electrical systems.
• Versatile, reliable protection: ideal for residential feeders, light commercial circuits, and select light industrial applications that require solid 2-pole 100A/240V protection.

Who benefits from the BAB2100S

• Electrical contractors performing panelboard upgrades or replacements in homes and small businesses
• Facility managers maintaining lighting, HVAC, and power distribution in commercial spaces
• Maintenance teams responsible for dependable protection in light industrial environments

Practical use cases and scenarios

• Reconfiguring a residential service panel to support new 240V circuits while preserving existing OEM compatibility
• Adding a robust protection point for a commercial subfeed where vibration resistance is a must
• Replacing aging 2-pole breakers in panelboards to restore reliable short-circuit protection and reduce nuisance trips

Technical specifications at a glance

• Manufacturer: Eaton
• Part number: BAB2100S
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 240 V
• Number of poles: 2
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

When you’re upgrading or expanding panelboards and load centers, the BAB2100S offers a proven combination of secure installation, reliable protection, and OEM compatibility. Choose this Eaton breaker for dependable performance in residential, commercial, and light industrial projects—backed by the engineering precision you expect from Eaton and the practical reliability that installers rely on day after day.