General Electric | TEYF380ST12 | Circuit Breaker | 80A | 3-Pole | 480V | Bolt-On

Meet the General Electric TEYF380ST12 circuit breaker—an industrial-grade protection device designed for reliability in demanding 480V, three-phase environments. This 80A, 3-pole bolt-on breaker is a purpose-built solution for maintenance, retrofit, and replacement projects where exact specifications matter.

• Amperage: 80A
• Pole configuration: 3-Pole
• Voltage rating: 480V
• Mounting style: Bolt-On
• Part number: TEYF380ST12

Where this GE breaker excels: in commercial and industrial electrical systems that require solid, three-phase protection at 480V. It’s ideal for replacing a failed unit in existing panels, retrofitting older gear to current specs, or servicing large equipment feeders in manufacturing, processing, or HVAC applications. The TEYF380ST12 is specifically referenced by its part number as the most reliable indicator of compatibility, so verifying fit and ratings before ordering ensures a smooth swap and continued system protection.

Why choose this breaker for your project? It offers a straightforward, bolt-on installation for panels designed to accommodate this mounting style, along with a precise 80A protective rating for circuits that demand dependable overcurrent protection. By matching the 3-pole configuration and 480V rating, you secure proper three-phase protection for motors, compressors, and other heavy-load equipment, reducing the risk of incidental downtime and electrical faults.

Practical tips for effective use:

• Use the TEYF380ST12 when your panel or enclosure explicitly requires a 3-pole, 480V bolt-on breaker with an 80A rating.
• Always confirm fit and ratings against your specific equipment and panel catalog; the part number TEYF380ST12 is the best reference for compatibility.
• Before installation, follow standard electrical safety practices: disconnect power, lockout/tagout, and verify absence of voltage.
• Keep a labeled spare on hand for critical systems to minimize downtime during replacement.

Whether you’re upgrading an aging system, aligning with current codes, or performing routine maintenance, the General Electric TEYF380ST12 circuit breaker delivers targeted, reliable protection for 480V, three-phase applications. Its precise specifications and bolt-on design make it a practical, durable choice for professionals who demand consistency and compatibility in demanding electrical environments.