Eaton Thermal-Magnetic Circuit Breaker 20A Two-Pole QBHW 22kAIC 120/240V Bolt-On

Eaton Thermal-Magnetic Circuit Breaker 20A Two-Pole QBHW

Professional Industrial Circuit Protection Equipment

The Eaton Thermal-Magnetic Circuit Breaker 20A Two-Pole QBHW delivers exceptional electrical power protection and control performance for industrial and commercial electrical systems. This 20A 120/240V two-pole circuit breaker provides reliable electrical protection with 22kAIC interrupt rating designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced thermal-magnetic technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Thermal-Magnetic Protection Performance

• 20 Ampere Current Rating - Provides precise overcurrent protection for medium-duty electrical circuits with reliable thermal-magnetic trip mechanism
• 22kAIC Interrupt Rating - Delivers superior short-circuit protection capability for industrial applications requiring high fault current interruption
• Two-Pole Configuration - Enables simultaneous protection of both hot conductors in 240V single-phase circuits for comprehensive electrical safety
• 120/240V Voltage Rating - Versatile voltage compatibility for residential, commercial, and light industrial electrical distribution systems

Industrial Installation & Protection

• QBHW Type Design - Professional-grade circuit breaker construction engineered for demanding industrial electrical environments
• Bolt-On Mounting Method - Secure mechanical connection ensures reliable electrical contact and prevents accidental disconnection
• Non-Interchangeable Trip Type - Factory-calibrated thermal-magnetic trip settings provide consistent overcurrent protection performance
• HACR Rating - Certified for heating, air conditioning, and refrigeration applications with motor protection capabilities

Technical Specifications

Amperage Rating: 20A, Voltage Rating: 120/240V, Number of Poles: Two-pole, Interrupt Rating: 22kAIC, Circuit Breaker Type: QBHW, Trip Type: Non-Interchangeable, Mounting Method: Bolt-on, Product Dimensions: 4.8" H x 2.2" W x 3.7" D, Product Weight: 0.55 lb, Certifications: CSA Certified, Special Rating: HACR rated for motor protection applications

Installation & Usage

1. Verify electrical panel compatibility with QBHW type circuit breakers and confirm proper voltage rating match
2. Turn off main electrical power and verify de-energized state using appropriate electrical testing equipment
3. Position circuit breaker in designated panel slot ensuring proper alignment with bus bars
4. Secure bolt-on connection following manufacturer torque specifications for reliable electrical contact
5. Connect circuit conductors to breaker terminals using proper wire gauge and connection methods
6. Test circuit breaker operation and verify proper thermal-magnetic protection functionality before energizing

Professional Applications

Ideal for:

• Industrial Electrical Systems - Motor control centers, industrial machinery protection, and manufacturing equipment circuits
• Commercial Power Distribution - Office buildings, retail facilities, and commercial electrical panel applications
• HVAC Equipment Protection - Air conditioning units, heating systems, and refrigeration equipment with HACR rating compliance
• Electrical Panel Upgrades - Replacement and retrofit applications in existing electrical distribution systems
• Motor Protection Circuits - Single-phase motor applications requiring reliable overcurrent and short-circuit protection
• Lighting Control Systems - Commercial and industrial lighting circuits with high fault current protection requirements
• Power Distribution Centers - Electrical substations and distribution panels requiring 22kAIC interrupt capability
• Electrical Safety Systems - Critical circuit protection where reliable thermal-magnetic operation is essential

Thermal-Magnetic Technology Advantage

The thermal-magnetic trip mechanism combines thermal overload protection for sustained overcurrent conditions with magnetic instant trip protection for short-circuit faults. This dual-protection technology ensures reliable circuit protection across the full range of electrical fault conditions, from minor overloads to major short circuits, providing comprehensive electrical safety for professional installations.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers the reliability and performance that electrical professionals demand. Our thermal-magnetic circuit breakers feature rigorous CSA certification, proven HACR rating for motor applications, and the advanced protection technology trusted by electricians, electrical contractors, and facility professionals worldwide for critical electrical safety and power distribution applications.