General Electric | TEYF390 | Circuit Breaker | 90A | 3-Pole | 480V

Meet the General Electric TEYF390 — a rugged, three-pole circuit breaker designed to shield 480V three-phase electrical systems from overloads and shorts. With a 90A rating, this GE device is built for continuous industrial use, supporting motors, drives, and other equipment that rely on steady, reliable protection.

• Amperage: 90 A
• Poles: 3-Pole
• Voltage: 480 V

Designed for maintenance, retrofit, and replacement, the TEYF390 delivers a seamless, field-ready solution when exact specs matter. The three-pole arrangement ensures all phases disconnect together, enhancing safety and reducing the risk of phase-to-phase faults during faults or maintenance.

Why choose TEYF390 for your 480V distribution? It provides a precise fit for GE panels and systems that reference this specific part number, helping ensure consistent trip performance and compatibility with your protection scheme. Using the correct part number is the fastest way to verify compatibility and minimize downtime during upgrades or repairs.

Practical use cases

• Retrofit: Replace aging or failed breakers in 480V, three-phase installations with minimal system disruption.
• Maintenance: Keep a ready-to-install unit on the service shelf for planned outages.
• Replacement in industrial environments: Data centers, manufacturing floors, and large equipment rooms that rely on stable 3-phase protection.

Important notes

Always confirm fit and ratings against your panel labeling before ordering. The TEYF390 part number is the most reliable reference for compatibility, ensuring you maintain proper protection characteristics and electrical clearances.