Eaton Thermal Magnetic Circuit Breaker 40A Two-Pole 120/240V 10kAIC BAB Series Bolt-On

Eaton BAB Thermal Magnetic Circuit Breaker

Professional Industrial Circuit Protection Equipment

The Eaton BAB Thermal Magnetic Circuit Breaker delivers exceptional electrical power management and control performance for industrial and commercial electrical applications. This 40A two-pole circuit breaker provides reliable electrical protection designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Electrical Performance Excellence

• 40 Ampere Current Rating - Provides robust current handling capacity for medium-duty electrical loads and circuit protection requirements
• Two-Pole Configuration - Delivers simultaneous protection for both hot conductors in 240V applications with coordinated switching action
• 120/240V Voltage Rating - Versatile voltage compatibility for residential and light commercial electrical distribution systems
• 10 kAIC Interrupt Rating - Professional-grade fault current interrupting capacity for reliable short circuit protection in standard electrical installations

Installation & Protection Features

• Bolt-On Mounting Design - Secure mechanical connection to electrical panels ensuring reliable contact and vibration resistance
• Thermal-Magnetic Trip Technology - Dual protection mechanism combining thermal overload and magnetic short circuit protection for comprehensive electrical safety
• Non-Interchangeable Trip Design - Factory-calibrated trip settings ensure consistent protection performance and prevent unauthorized modifications

Technical Specifications

Current Rating: 40 Amperes, Voltage Rating: 120/240V, Number of Poles: Two-pole, Interrupt Rating: 10 kAIC, Circuit Breaker Type: BAB Series, Trip Type: Non-Interchangeable, Mounting Method: Bolt-On, Dimensions: 3.1" L x 2.9" H x 2" W, Weight: 0.6 lb, Certifications: UL Listed, HACR Rated for HVAC applications, Quicklag Industrial Thermal-Magnetic design for enhanced performance

Installation & Usage

1. Verify electrical panel compatibility and available space for two-pole bolt-on circuit breaker installation
2. Turn off main power and verify de-energized condition using appropriate electrical testing equipment
3. Position circuit breaker in designated panel slot ensuring proper alignment with bus bars
4. Secure bolt-on connection by tightening mounting hardware to manufacturer specifications
5. Connect circuit conductors to breaker terminals using proper wire sizing and torque specifications
6. Test breaker operation and verify proper electrical continuity before energizing circuit

Professional Applications

Ideal for:

• Industrial Electrical Systems - Motor control circuits, machinery protection, and industrial equipment power distribution
• Commercial Building Power - HVAC systems, lighting circuits, and general power distribution in commercial facilities
• Electrical Panel Upgrades - Replacement and modernization of existing circuit protection in older electrical installations
• High Intensity Discharge Lighting - Specialized protection for HID lighting systems requiring HACR-rated circuit breakers
• Motor Protection Applications - Dedicated protection for electric motors and motor-driven equipment in industrial settings
• Electrical Maintenance Projects - Professional electrical service and maintenance requiring reliable bolt-on circuit protection
• Code Compliance Installations - Meeting electrical code requirements for circuit protection in commercial and industrial applications
• Power Distribution Systems - Branch circuit protection in electrical distribution panels and load centers

Thermal-Magnetic Technology Advantage

The BAB series incorporates Eaton's proven thermal-magnetic trip technology, combining bimetallic thermal elements for overload protection with electromagnetic trip units for short circuit protection. This dual-protection design ensures reliable circuit interruption across the full range of fault conditions while providing time-delay characteristics for motor starting and other inrush current applications.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers the reliability and performance that electrical professionals demand. Every BAB circuit breaker meets rigorous UL safety standards and undergoes comprehensive testing to ensure consistent protection performance. Trusted by electricians, electrical contractors, and facility professionals worldwide, Eaton circuit breakers provide the quality construction and dependable electrical performance essential for safe and reliable power distribution systems.