General Electric | TEY3050ST12 | Circuit Breaker | 50A | 3-Pole | 480V

General Electric's TEY3050ST12 is a 50-amp, 3-pole circuit breaker engineered for 480-volt, three‑phase power distribution. Designed for maintenance, retrofit, and replacement projects, this device delivers dependable overcurrent protection when exact GE compatibility matters. The TEY3050ST12 part number serves as the most precise reference for fit and cross-reference with your panel.

Key specifications

• Amperage: 50 A
• Poles: 3-Pole
• Voltage: 480 V
• Part/reference: TEY3050ST12 (General Electric)

Why this TEY 50A 3-Pole 480V breaker stands out

Aligned with GE TEY-series design, this breaker fits GE panels and TEY-equipped installations with minimal downtime. The 3-pole configuration safeguards all three phases in a typical 480V industrial circuit, helping prevent imbalances and equipment damage during overload events. Built to GE’s specifications, it provides consistent performance in demanding environments where reliability is non-negotiable.

Ideal use cases

• Maintenance and servicing of GE electrical panels requiring a 50A, 3-pole, 480V protective device
• Retrofits to bring older equipment up to TEY-series compatibility
• Direct replacement to maintain system protection without lengthy compatibility checks

Practical purchase guidance

Before ordering, confirm fit and ratings match your equipment. The TEY3050ST12 part number is your best compatibility reference—compare it against your panel’s specification plate or service manual to ensure an exact match. If your system runs on 480V three-phase power, this breaker offers the appropriate protection profile to maintain safe, reliable operation.