TJK426F000 **Older Style** - 400Amp Max. *Frame Only*

TJK426F000 **Older Style** - 400Amp Max. *Frame Only*

The TJK426F000 Circuit Breaker Frame from ABB's acclaimed J600 series is designed for industrial and commercial electrical systems, offering robust protection and operational flexibility. This 2-pole, 400-amp frame is specifically engineered for demanding applications. As a frame-only unit, it requires a compatible trip unit to function as a complete circuit breaker, providing customizable protection tailored to your system‰۪s requirements. This is a frame-only model and requires a compatible trip unit to function as a complete circuit breaker.

Key Features and Benefits:

• High-Capacity Performance: Designed to handle substantial electrical loads with a 400-amp frame, ensuring reliability and safety in high-capacity systems.
• Dual-Frame Compatibility: Supports both 400-amp and 600-amp frames, offering flexibility for various system configurations.
• Thermal-Magnetic Protection: Combines thermal and magnetic tripping mechanisms to ensure comprehensive protection from electrical faults.
• Customizable Trip Units: Compatible with interchangeable trip units, allowing adjustable long-time and instantaneous settings to meet specific operational needs.
• Ease of Installation: Features copper/aluminum (Cu/Al) lugs for easy and secure connections, reducing installation time.

Technical Specifications:

• Amperage Range: 125A to 400A
• System Voltage Ratings: Supports voltages including 120V AC, 240V AC, 480V AC, and up to 600V AC/DC
• Interrupting Ratings: 10 KAIC at 125 VDC to 42 KAIC at 240 VAC
• Frame Type: J600 series
• Poles: 2-pole configuration
• Trip Unit: Compatible with interchangeable trip units (sold separately)

Material Compliance and Certifications:

• UL Listed (E11592): Ensures compliance with strict safety standards.
• CSA Certified (LR40350): Meets Canadian Standards Association regulations.
• Cu/Al Lugs: Supports copper and aluminum conductors for versatile installation.

Suitability:

The TJK426F000 Circuit Breaker Frame is perfect for large-scale industrial plants, commercial buildings, and infrastructure projects that demand reliable and flexible electrical protection. Its frame-only design allows for easy configuration with interchangeable trip units, making it ideal for environments that require adaptability and high capacity.

This frame is an essential component for ensuring reliable, safe, and customizable electrical protection in your industrial and commercial systems.