Eaton Thermal-Magnetic Circuit Breaker Two-Pole 40A 22kAIC 120/240V Bolt-On QBHW

Eaton Quicklag Industrial Thermal-Magnetic Circuit Breaker

Professional Two-Pole Electrical Protection Equipment

The Eaton Quicklag Industrial Thermal-Magnetic Circuit Breaker delivers exceptional electrical power management and control performance for commercial and industrial electrical systems. 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

Superior Electrical Protection Performance

• 40 Ampere Current Rating - Provides reliable overcurrent protection for medium-duty electrical circuits with precise thermal-magnetic trip characteristics
• 22 kAIC Interrupt Rating - Delivers exceptional short-circuit interrupting capacity for demanding commercial and industrial electrical applications
• 120/240V Voltage Rating - Engineered for standard residential and commercial electrical systems with dual voltage capability
• Two-Pole Configuration - Provides simultaneous protection for both hot conductors in 240V circuits and split-phase electrical systems

Professional Installation & Protection

• Bolt-On Mounting Method - Ensures secure mechanical and electrical connection to electrical panels with professional-grade mounting system
• QBHW Circuit Breaker Type - Quicklag industrial design optimized for heavy-duty electrical protection applications
• Non-Interchangeable Trip Type - Factory-calibrated thermal-magnetic trip mechanism provides consistent and reliable overcurrent protection

Quality Construction & Compliance

• UL Listed Certification - Meets rigorous electrical safety standards for professional electrical installations
• HACR Rated Design - Approved for heating, air conditioning, and refrigeration applications with motor protection capabilities
• Compact Professional Design - Space-efficient 4.8" x 2.2" x 3.9" dimensions with lightweight 0.7 lb construction for easy installation

Technical Specifications

Amperage Rating: 40A, Voltage Rating: 120/240V, Number of Poles: Two-pole, Interrupt Rating: 22 kAIC, Circuit Breaker Type: QBHW, Trip Type: Non-Interchangeable, Mounting Method: Bolt-on, Dimensions: 4.8" H x 2.2" W x 3.9" D, Weight: 0.7 lb, Certifications: UL Listed, Special Rating: HACR rated for motor protection applications

Installation & Usage

1. Verify electrical panel compatibility and ensure power is disconnected before installation
2. Position circuit breaker in designated panel slot and align with bus bars
3. Secure bolt-on connection by tightening mounting hardware to manufacturer specifications
4. Connect branch circuit conductors to load terminals using proper wire gauge for 40A rating
5. Verify proper mechanical connection and electrical continuity before energizing
6. Test circuit breaker operation and confirm proper trip characteristics

Professional Applications

Ideal for:

• Commercial Electrical Systems - Office buildings, retail facilities, and commercial properties requiring reliable 40A circuit protection
• Industrial Power Distribution - Manufacturing facilities, warehouses, and industrial plants with heavy-duty electrical loads
• HVAC Equipment Protection - Air conditioning units, heat pumps, and refrigeration systems with HACR rating compliance
• Motor Control Applications - Electric motors, pumps, and mechanical equipment requiring two-pole protection
• Electrical Panel Upgrades - Modernization projects requiring high interrupt capacity circuit breakers
• Split-Phase Electrical Circuits - 240V loads including electric water heaters, dryers, and heavy appliances
• Electrical Safety Systems - Critical protection for electrical distribution panels and load centers
• Professional Electrical Installations - New construction and renovation projects requiring UL listed electrical protection

Thermal-Magnetic Technology Advantage

The thermal-magnetic trip mechanism combines the benefits of thermal overload protection for sustained overcurrent conditions with magnetic instant trip protection for short-circuit faults. This dual-protection technology ensures reliable electrical safety while minimizing nuisance tripping, making it ideal for professional electrical installations where consistent performance is critical.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers the proven reliability and advanced technology that electrical professionals trust worldwide. Our commitment to electrical safety, UL certification compliance, and engineering excellence ensures dependable performance for electricians, electrical contractors, and facility managers. From residential electrical panels to industrial power distribution systems, Eaton circuit breakers provide the quality construction and reliable electrical protection that professionals demand for critical electrical applications.