Eaton BAB3055H - 55 A, 240 V, 4-Pole Bolt-On Circuit Breaker | AmpState

The Eaton BAB3055H is a 55A, 240V, 4-pole bolt-on molded case circuit breaker engineered to shield your panels from overcurrent and short-circuit events. Built for dependable protection in panelboards and load centers, it delivers reliable performance across residential, commercial, and light industrial applications.

• 4-pole, 55A, 240V bolt-on design – purpose-built to protect multi-wire and 3-phase circuits while providing a secure, rigid mounting option.
• Bolt-on mounting – ensures a solid bus connection, reducing vibration-induced movement and improving ongoing contact reliability in demanding environments.
• Thermal-magnetic trip unit – combines true thermal overload protection with fast magnetic response for short-circuit events, delivering stable, repeatable protection.
• OEM-compatible – designed to pair with matching Eaton OEM load centers and panelboards for a seamless, coordinated protection system.
• Versatile across sectors – a smart fit for residential service panels, commercial distribution boards, and light-industrial panels where robust protection and simple maintenance matter.

Why this 4-pole bolt-on breaker stands out

The 4-pole configuration supports multi-wire branch circuits and three-phase installations typical in modern panel configurations, while the bolt-on style provides a more secure attachment than plug-in alternatives. For technicians upgrading to higher-current protections or replacing aging units, the BAB3055H offers predictable trip behavior and long-term reliability in a compact molded case package.

Practical use cases and installation tips

• Ideal for panelboards and load centers that require 4-pole bolt-on protection on 240V systems with a 55A rating.
• Use in residential feeders, lighting and receptacle circuits, and light commercial equipment where consistent overcurrent protection is critical.
• Before installation, confirm that your panelboard accepts a BAB3055H-style bolt-on unit and that mounting hardware and bus connections meet manufacturer specifications.
• Keep in mind that a thermal-magnetic trip provides both overload protection and fast short-circuit clearing, helping minimize damage to wiring and connected equipment.

From AmpState, the Eaton BAB3055H delivers dependable protection you can count on when panel organization and safety matter most. Whether you're upgrading an aging panel or specifying a new installation, this 4-pole bolt-on breaker is designed to integrate smoothly with compatible Eaton load centers and panelboards, offering durable performance across a range of environments.