Eaton BAB3040H - 40 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton BAB3040H — a 40A, 240V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for robust, long-term service, it combines secure mounting with precise protection characteristics to keep electrical systems safe and running smoothly.

Why the BAB3040H stands out

• Secure bolt-on mounting: A rigid, vibration-resistant bus connection that stays locked in place even in environments with equipment vibration or frequent panel access.
• Thermal-magnetic trip unit: Provides stable, repeatable protection by automatically responding to both overloads and short circuits, helping prevent nuisance trips and protecting wiring and devices.
• OEM-compatible design: Engineered to pair with matching Eaton OEM loadcenters and panelboards, ensuring smooth replacements and straightforward installations without compatibility concerns.
• Three-pole configuration for 3-phase systems: Ideal for balanced distribution in commercial and light industrial applications where three-phase protection is essential.
• Suitable for diverse sectors: From residential panel upgrades to commercial electrical distributions and light industrial setups, the BAB3040H provides versatile protection where it’s needed most.

Ideal use cases

• Replacing a failed breaker in an existing Eaton panelboard or loadcenter with a direct bolt-on solution.
• Expanding three-phase electrical distribution in small to mid-size commercial spaces—data rooms, retail outlets, or light industrial equipment rooms.
• Providing reliable branch-circuit protection for equipment clusters that require solid, vibration-resistant mounting in busy electrical enclosures.

Technical snapshot

• Manufacturer: Eaton
• Part Number: BAB3040H
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 40A
• Voltage rating: 240V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and loadcenters

The Eaton BAB3040H is more than a breaker—it's a reliable foundation for safe, efficient electrical distribution. Its combination of secure mounting, precise thermal-magnetic protection, and OEM compatibility minimizes downtime and simplifies maintenance, making it a smart choice for installers and facility managers seeking a proven, industry-standard solution.