Eaton Circuit Breaker Accessory Terminal 400A Three-Pole Power Defense Frame 3 Tunnel Terminal

Eaton Power Defense Circuit Breaker Accessory Terminal

Professional Electrical Terminal Connection Solution

The Eaton Power Defense Circuit Breaker Accessory Terminal delivers exceptional electrical connection performance for molded case circuit breaker applications. This 400A three-pole tunnel terminal provides reliable electrical connection 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

High-Capacity Electrical Performance

• 400 Ampere Rating - High-current capacity for demanding commercial and industrial electrical applications requiring substantial power distribution
• Three-Pole Configuration - Professional three-phase electrical connection capability for balanced power distribution in commercial and industrial systems
• AWG 500-750 Wire Compatibility - Accommodates large gauge conductors for high-amperage electrical installations and power distribution systems
• Frame 3 Design - Engineered for compatibility with Power Defense Frame 3 molded case circuit breakers for seamless electrical system integration

Professional Installation & Protection

• Tunnel Terminal Design - Professional tunnel-style connection method ensures secure conductor attachment and reliable electrical contact for long-term performance
• Aluminum Construction - Durable aluminum material provides excellent electrical conductivity while maintaining lightweight construction for professional installation
• Power Defense Series Compatibility - Specifically designed for use with Eaton Power Defense molded case circuit breakers for optimal electrical system performance

Technical Specifications

Amperage Rating: 400A, Configuration: Three-pole, Wire Size Compatibility: AWG 500-750, Frame Size: Frame 3, Series: Power Defense, Terminal Type: Tunnel terminal, Material: Aluminum, Circuit Breaker Type: PD3 Global, Dimensions: 155.575mm W x 98.425mm H x 117.475mm D, Weight: 476.272g, Certifications: CCC Marked, Compliance: RoHS Compliant

Installation & Usage

1. Verify compatibility with Power Defense Frame 3 molded case circuit breaker before installation
2. Ensure electrical power is completely disconnected and locked out before beginning terminal installation
3. Position the 400A terminal accessory according to manufacturer specifications and electrical code requirements
4. Connect AWG 500-750 conductors using proper torque specifications for tunnel terminal connections
5. Verify secure mechanical and electrical connections before energizing the circuit breaker system
6. Test electrical continuity and proper operation according to professional electrical testing procedures

Professional Applications

Ideal for:

• Industrial Power Distribution - High-amperage electrical connections in manufacturing facilities, processing plants, and industrial electrical systems
• Commercial Electrical Systems - Large commercial buildings, office complexes, and retail facilities requiring substantial electrical capacity
• Molded Case Circuit Breaker Upgrades - Terminal accessory installations for existing Power Defense circuit breaker systems
• Electrical Panel Modifications - Professional electrical panel upgrades and modifications requiring high-capacity terminal connections
• Power Distribution Centers - Main distribution panels, switchgear applications, and electrical distribution equipment
• Motor Control Centers - Industrial motor control applications requiring reliable high-amperage electrical connections
• Electrical Maintenance Projects - Replacement and upgrade projects for existing molded case circuit breaker terminal connections
• Heavy Electrical Load Applications - Electrical systems serving heavy machinery, large HVAC systems, and high-power electrical equipment

Power Defense Technology Advantage

The Power Defense series represents Eaton's advanced molded case circuit breaker technology, engineered for superior electrical protection and reliable performance in demanding commercial and industrial applications. This terminal accessory extends the Power Defense system capabilities with professional-grade connection solutions.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers the quality, reliability, and performance that electrical professionals trust worldwide. Our commitment to electrical safety, comprehensive certifications including CCC marking, and RoHS compliance ensures professional-grade solutions for electricians, electrical contractors, and facility managers who demand the best in electrical power distribution and protection technology.