Eaton Thermal-Magnetic Circuit Breaker Three-Pole 70A 22kAIC 240V Bolt-On QBHW Series

Eaton Quicklag Industrial Thermal-Magnetic Circuit Breaker

Professional Three-Pole Electrical Protection Equipment

The Eaton Quicklag Industrial Thermal-Magnetic Circuit Breaker delivers exceptional electrical power management and control performance for industrial and commercial electrical systems. This 70A three-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

• 70 Ampere Current Rating - Provides robust current handling capacity for medium-duty industrial and commercial electrical circuits with reliable thermal-magnetic protection
• 22 kAIC Interrupt Rating - Delivers exceptional fault current interruption capability for enhanced electrical safety and system protection in demanding applications
• Three-Pole Configuration - Ensures comprehensive protection across all three phases for balanced electrical distribution and complete circuit isolation
• 240V Voltage Rating - Optimized for standard commercial and industrial voltage applications with reliable performance and electrical safety

Professional Installation & Protection

• Bolt-On Mounting Method - Provides secure mechanical connection and reliable electrical contact for professional panel installations
• QBHW Series Design - Features Eaton's proven industrial circuit breaker technology with non-interchangeable trip characteristics for consistent protection
• UL Listed Certification - Meets rigorous electrical safety standards and code compliance requirements for professional electrical installations

Technical Specifications

Amperage Rating: 70A, Voltage Rating: 240V, Number of Poles: Three-pole, Interrupt Rating: 22 kAIC, Circuit Breaker Type: QBHW, Trip Type: Non-Interchangeable, Mounting Method: Bolt-on, Dimensions: 4.9" H x 3.1" W x 3.8" D, Weight: 1.15 lb, Certifications: UL Listed, HACR Rated for heating, air conditioning, and refrigeration applications.

Installation & Usage

1. Verify electrical panel compatibility and proper voltage rating before installation
2. Turn off main 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 load conductors to circuit breaker terminals using proper wire sizing and termination methods
6. Test circuit breaker operation and verify proper electrical protection functionality before energizing system

Professional Applications

Ideal for:

• Industrial Power Distribution - Motor control centers, industrial machinery protection, and manufacturing equipment electrical systems
• Commercial Electrical Systems - Office buildings, retail facilities, and commercial HVAC system protection with reliable three-phase power distribution
• HVAC Equipment Protection - Air conditioning units, heating systems, and refrigeration equipment with HACR rating compliance
• Manufacturing Facilities - Production equipment, conveyor systems, and industrial process control electrical protection
• Electrical Panel Upgrades - Replacement and retrofit applications in existing electrical distribution systems
• Motor Protection Applications - Three-phase motor circuits requiring reliable overcurrent and short-circuit protection
• Electrical Safety Systems - Critical electrical protection for personnel safety and equipment preservation
• Code Compliance Projects - Electrical installations requiring UL Listed components and professional-grade protection

Thermal-Magnetic Protection Advantage

Eaton's thermal-magnetic circuit breaker technology combines the reliability of thermal overload protection with the speed of magnetic short-circuit protection. The thermal element provides time-delay protection against moderate overloads, while the magnetic element delivers instantaneous protection against dangerous short-circuit conditions, ensuring comprehensive electrical safety and equipment protection.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton leads the industry in intelligent power solutions and electrical safety technology. Our commitment to UL Listed quality, rigorous testing standards, and proven reliability makes Eaton circuit breakers the trusted choice for electricians, electrical contractors, and facility professionals worldwide who demand dependable electrical protection and superior performance.