Eaton QB GFCI Circuit Breaker 40A Two-Pole 120/240V Ground Fault Protection System

Eaton QB GFCI Circuit Breaker 40A Two-Pole 120/240V Ground Fault Protection System

Professional Ground Fault Protection with 5 mA Trip Sensitivity

The Eaton QB GFCI Circuit Breaker delivers reliable ground fault protection for residential and commercial electrical systems. This two-pole 40A unit operates at 120/240V with common trip functionality and features 5 mA trip sensitivity for enhanced safety. Built with HACR rating and UL 489 certification, this bolt-on circuit breaker provides 10 kAIC interrupt rating for dependable electrical protection in demanding applications.

Professional Features & Benefits

• 40A Amperage Rating: Handles substantial electrical loads while maintaining reliable protection for high-demand circuits and equipment.
• 5 mA Trip Sensitivity: Provides enhanced ground fault detection for superior safety protection compared to standard sensitivity levels.
• Two-Pole 120/240V Configuration: Delivers comprehensive protection for both single and split-phase electrical systems with common trip operation.
• 10 kAIC Interrupt Rating: Safely interrupts fault currents up to 10,000 amperes for robust electrical system protection.
• HACR Rating: Certified for heating, air conditioning, and refrigeration applications ensuring compatibility with motor loads.
• UL 489 Certification: Meets rigorous safety and performance standards for molded case circuit breakers and motor circuit protectors.
• Bolt-On Mounting: Secure installation method provides reliable mechanical connection and electrical contact in panel applications.

Technical Specifications

• Amperage Rating: 40 A
• Catalog Notes: HACR rated
• Certifications: UL 489
• Circuit Breaker Type: QBGF
• Department: Electrical
• Interrupt Rating: 10 kAIC
• Mounting Method: Bolt-on
• Number Of Poles: Two-pole
• Product Group: Electrical
• Product Height: 2 in
• Product Length Depth: 4.5 in
• Product Subgroup: Circuit Breaker
• Product Type: Gfci Circuit Breaker
• Product Weight: .6 lb
• Product Width: 2.75 in
• Special Features: 5 mA Trip Sensitivity
• Trip Rating: 5 mA trip sensitivity
• Trip Type: Common trip
• Voltage Rating: 120/240 V
• Wire Size: #8 Cu

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Residential electrical panels requiring ground fault protection for high-amperage circuits
• Commercial facilities with HVAC equipment and motor loads requiring HACR-rated protection
• Industrial applications needing reliable ground fault detection with enhanced sensitivity
• Electrical service upgrades requiring UL 489 certified circuit protection
• Multi-unit properties with split-phase electrical systems requiring two-pole protection
• Professional installations demanding bolt-on mounting security and reliability

Why Choose Eaton Quality?

Eaton QB GFCI circuit breakers combine proven reliability with advanced ground fault protection technology. With UL 489 certification and HACR rating, this unit delivers professional-grade performance for demanding electrical applications. The compact 2 x 2.75 x 4.5 inch design and lightweight .6 lb construction facilitate easy installation while maintaining robust 10 kAIC interrupt capability for long-term electrical system protection.