Eaton Molded Case Circuit Breaker Accessory Terminal, 400A, 3-Pole, Frame J-K Series C, (2) #3/0–250 kcmil Cu/Al, Pressure Type

Eaton Molded Case Circuit Breaker Accessory Terminal 400A Three-Pole Frame J-K Series C

Professional Circuit Breaker Terminal Connection System

The Eaton Molded Case Circuit Breaker Accessory Terminal delivers exceptional electrical connection performance for 400A three-pole circuit breaker applications. This Frame J-K Series C terminal provides reliable pressure-type line and load connections 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-Current Terminal Performance

• 400A Current Rating - Handles high-amperage applications with reliable electrical performance for demanding commercial and industrial power distribution systems
• Three-Pole Configuration - Provides complete three-phase electrical connection capability for balanced power distribution and motor control applications
• Frame J-K Compatibility - Engineered specifically for Frame J-K molded case circuit breakers ensuring proper fit and electrical performance
• Series C Design - Advanced Series C technology delivers enhanced electrical performance and reliability for professional installations

Professional Connection System

• Pressure Type Line and Load Terminals - Secure mechanical connection system ensures reliable electrical contact and reduces maintenance requirements
• Wire Size Compatibility - Accommodates (2) #3/0 AWG-250 kcmil Cu/Al conductors providing flexibility for various wire configurations and installation requirements
• UL Listed Certification - Meets rigorous electrical safety standards ensuring code compliance and professional installation confidence

Technical Specifications

Amperage Rating: 400A, Number of Poles: Three-pole, Frame Size: Frame J-K, Series: Series C, Wire Size: (2) #3/0 AWG-250 kcmil Cu/Al, Terminal Type: Pressure type line and load, Dimensions: 6.4" L x 4.7" H x 4" W, Weight: 1.1 lb, Certifications: UL Listed, Product Type: Molded Case Circuit Breaker Accessory Terminal, Compliances: Contact Manufacturer

Installation & Usage

1. Verify circuit breaker compatibility with Frame J-K Series C specifications and confirm power is disconnected
2. Position terminal accessory according to manufacturer specifications ensuring proper alignment with circuit breaker frame
3. Connect line and load conductors using pressure-type terminal connections with appropriate torque specifications
4. Verify wire size compatibility with (2) #3/0 AWG-250 kcmil Cu/Al conductor requirements
5. Complete electrical connections following NEC guidelines and local electrical codes
6. Perform final inspection and testing to ensure proper terminal operation and electrical continuity

Professional Applications

Ideal for:

• Commercial Power Distribution - Office buildings, retail facilities, and commercial electrical systems requiring reliable 400A three-phase connections
• Industrial Electrical Systems - Manufacturing facilities, processing plants, and industrial power distribution requiring high-current terminal connections
• Motor Control Centers - Large motor control applications and variable frequency drive installations requiring robust electrical connections
• Switchgear Applications - Main distribution panels and switchgear assemblies requiring professional-grade terminal connections
• Electrical Panel Upgrades - Circuit breaker modernization projects requiring compatible terminal accessories for Frame J-K breakers
• Power Distribution Systems - Electrical distribution equipment requiring secure line and load terminal connections
• Facility Electrical Infrastructure - Hospitals, schools, and institutional facilities requiring reliable electrical connection systems
• Electrical Maintenance Projects - Terminal replacement and electrical system maintenance requiring UL Listed components

Pressure Terminal Technology Advantage

The pressure-type terminal design provides superior electrical contact compared to standard connection methods, ensuring consistent electrical performance and reduced maintenance requirements. This professional-grade connection system delivers reliable electrical contact under varying load conditions while accommodating large conductor sizes for high-current applications.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers unmatched quality and reliability in circuit breaker accessories and electrical connection systems. Our UL Listed terminal accessories provide the electrical safety standards and professional performance that electricians, electrical contractors, and facility professionals trust worldwide for critical power distribution applications.