Eaton Thermal Magnetic Circuit Breaker BQ Four-Pole 20A/30A 10kAIC 120/240V CTL Plug-On

Eaton BQ Thermal Magnetic Circuit Breaker Four-Pole 20A/30A

Professional Electrical Protection with CTL Plug-On Design

The Eaton BQ Thermal Magnetic Circuit Breaker delivers exceptional electrical protection performance for residential and commercial electrical systems. This four-pole circuit breaker with (1) two-pole 20A and (1) two-pole 30A configuration provides reliable electrical protection with 10 kAIC interrupt rating 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

Advanced Electrical Protection

• Dual Amperage Configuration - Features (1) two-pole 20A and (1) two-pole 30A in single four-pole unit for versatile circuit protection applications
• 10 kAIC Interrupt Rating - Provides reliable short-circuit protection with 10,000 ampere interrupting capacity for residential and light commercial applications
• 120/240V Voltage Rating - Engineered for standard residential and commercial electrical systems with dual voltage capability
• Thermal Magnetic Trip Technology - Combines thermal overload protection with magnetic short-circuit protection for comprehensive electrical safety

Professional Installation Features

• CTL Plug-On Design - 1-inch CTL (Circuit Total Limitation) plug-on connection ensures proper installation and prevents overloading of electrical panels
• Rejection Tab Feature - Includes rejection tab feature to prevent installation in incompatible loadcenters, ensuring electrical safety compliance
• Independent Trip Operation - Each pole operates independently for precise circuit protection and selective coordination

Wire Compatibility & Construction

• Versatile Wire Compatibility - Accepts #14-4 AWG copper and aluminum conductors for flexible installation options
• Compact Design - Measures 3" x 2" x 3" and weighs only 0.7 lb for space-efficient panel installation

Technical Specifications

Amperage Rating: (1) Two-Pole 20A, (1) Two-Pole 30A | Voltage Rating: 120/240V | Number of Poles: Four-pole | Interrupt Rating: 10 kAIC | Circuit Breaker Type: BQ | Trip Type: Independent | Wire Size: #14-4 AWG Cu/Al | Mounting Method: Plug-on | Special Features: Includes rejection tab feature | Dimensions: 3" H x 2" W x 3" D | Weight: 0.7 lb | Certifications: UL 489 | Compliances: Federal Specifications Classification W-C375 | Used With: Type BR Loadcenters

Installation & Usage

1. Verify electrical panel compatibility with Type BR loadcenters and ensure power is disconnected
2. Check that panel has adequate space for four-pole circuit breaker installation
3. Align circuit breaker with bus bars and firmly press plug-on connection until fully seated
4. Connect branch circuit conductors to appropriate terminals using #14-4 AWG copper or aluminum wire
5. Verify rejection tab feature is properly engaged to prevent improper installation
6. Test circuit breaker operation and verify proper electrical protection before energizing circuits

Professional Applications

Ideal for:

• Residential Electrical Systems - Perfect for home electrical panels requiring dual amperage protection in single unit
• Multi-Family Housing - Excellent for apartment buildings and condominiums with diverse electrical load requirements
• Light Commercial Applications - Suitable for small office buildings, retail spaces, and commercial facilities
• Mixed Load Circuits - Ideal for applications requiring both 20A and 30A protection in compact installation
• Electrical Panel Upgrades - Perfect for modernizing older electrical systems with advanced thermal magnetic protection
• Branch Circuit Protection - Provides reliable overcurrent protection for lighting, receptacle, and appliance circuits
• HACR Applications - Listed for heating, air conditioning, and refrigeration equipment protection
• Switch Duty Applications - 15A and 20A single poles are switch duty rated for frequent switching operations

CTL Technology Advantage

The CTL (Circuit Total Limitation) plug-on design ensures proper electrical panel loading by preventing installation of more circuit breakers than the panel is designed to handle. This advanced safety feature, combined with the rejection tab, guarantees compatibility with Type BR loadcenters and prevents dangerous overloading conditions that could compromise electrical system safety.

Why Choose Eaton Quality?

Eaton's century-plus experience in electrical power management innovation delivers unmatched reliability and safety performance. With UL 489 certification and Federal Specifications compliance, this thermal magnetic circuit breaker represents the trusted quality that electricians, electrical contractors, and facility professionals worldwide depend on for critical electrical protection applications. Eaton's commitment to electrical safety standards and advanced protection technology ensures reliable performance in residential and commercial electrical systems.