General Electric | TEY330ST12 | Circuit Breaker | 3-Pole | 480V | Bolt-On

The General Electric TEY330ST12 is a robust three‑pole circuit breaker designed for demanding 480V power systems. Built for maintenance, retrofit, and replacement projects, this unit lets you upgrade or restore critical protection with exact GE specifications in mind.

Key specifications

• Poles: 3‑Pole
• Voltage: 480V
• Mounting: Bolt‑On
• Part reference: TEY330ST12 (best compatibility guide)

Why this GE TEY330ST12 stands out

Designed to integrate seamlessly into compatible GE panels and switchgear, the TEY330ST12 offers a secure bolt‑on mounting that enhances reliability in busy electrical environments. Its 3‑pole configuration is ideal for protecting balanced 3‑phase circuits, making it a preferred choice for industrial distribution, motor control centers, and heavy machinery power feeds that operate at 480V.

Fit, compatibility, and how to order with confidence

Before purchasing, confirm fit and ratings for your panel or enclosure. The TEY330ST12 part number is the most reliable reference when checking compatibility, ensuring proper electrical protection, trip characteristics, and mechanical fit in your GE‑based system.

Ideal use cases

• Maintenance and retrofit projects on 3‑phase, 480V systems in manufacturing floors
• Replacement of aging or failed GE breakers in existing bolt‑on mounting panels
• Upgrading protection in distribution racks and control cabinets that require a precise GE fit

What you gain with this specific circuit breaker

• Reliable trip protection for 3‑phase loads at 480V, helping prevent equipment damage and unplanned downtime
• Ease of replacement thanks to a bolt‑on design that supports quick, secure installation in compatible GE systems
• Clear compatibility reference through the TEY330ST12 part number, reducing guesswork during upgrades or spares stocking

In short, the GE TEY330ST12 is a purpose‑built, bolt‑on 3‑pole circuit breaker tailored for 480V environments. For professionals aligning exact GE specifications in maintenance, retrofit, or replacement projects, this unit provides dependable protection with a straightforward path to compatibility.