General Electric | TJK426Y400 | Circuit Breaker | 400A | 2-Pole | 600V

Safeguard high-demand electrical runs with the General Electric TJK426Y400 circuit breaker—a purpose-built solution for maintenance, retrofit, and replacement projects where exact specifications are essential. This 400A, 2-pole, 600V breaker is designed to deliver reliable overcurrent protection in demanding environments, helping you keep critical systems online and protected.

Key specifications

• Amperage: 400 A
• Poles: 2-Pole
• Voltage: 600 V
• Manufacturer: General Electric (GE)
• Model/Part: TJK426Y400

Why this GE circuit breaker stands out

The TJK426Y400 is chosen for projects that demand precise compatibility. The part number is the best reference for ensuring the breaker will fit your GE panel or enclosure and match the panel’s rating. Before ordering, verify fit and ratings against your equipment’s labeling to prevent mismatches that could affect performance or safety.

Ideal use cases

• Maintenance replacements in commercial or light industrial panels where 600V, 400A two-pole protection is required
• Retrofit projects that update older gear to high-current, two-pole protection with reliable interruption capabilities
• Panel upgrades or service mission-critical applications where exact GE compatibility is essential

Installation and compatibility tips

• Always confirm the panel’s labeling and service ratings to ensure 600 V operation and 400 A interrupt capacity before purchase.
• Use proper electrical safety procedures (lockout/tagout, appropriate PPE) during replacement or installation.
• Maintain accurate maintenance records by noting the exact part number (TJK426Y400) for future service and reordering.

When a precise GE-compatible solution is required—one that aligns with your panel design, safety standards, and service demands—the General Electric TJK426Y400 circuit breaker offers dependable protection and straightforward retrofit potential, backed by the clarity of its explicit part reference.