GE TEY330 - 30 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The GE TEY330 is a 30A, 480V, 3-pole bolt-on molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to endure the demands of commercial and light industrial environments, this breaker pairs robust mechanical mounting with precise protective performance.

Key benefits you’ll feel in the field

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing the risk of loose connections and arc-related faults in demanding installations.
• Thermal-magnetic trip unit delivers stable, repeatable protection for both overload and short-circuit events, helping prevent nuisance trips while safeguarding equipment.
• 3-pole design ensures balanced protection across all phases in 3-phase systems, essential for motors, compressors, and other multi-phase equipment operating at 480V.
• OEM-compatible compatibility—specifically designed to work with matching GE OEM load centers and panelboards for straightforward replacement and maintenance.
• Versatile application range suitable for residential, commercial, and light industrial environments where dependable branch-circuit protection is critical.

Technical specifications at a glance

• Manufacturer: GE
• Part Number: TEY330
• Type: Thermal-magnetic molded case circuit breaker (MCCB)
• Amperage Rating: 30A
• Voltage Rating: 480V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Upgrading or replacing breakers in GE OEM panelboards and load centers within commercial spaces such as offices, retail, and light industrial facilities.
• Protecting 3-phase equipment in 480V distribution networks, including motors, pumps, HVAC equipment, and compressors.
• New installations that require a compact, reliable bolt-on MCCB with proven trip performance for critical circuits.

Why this GE TEY330 stands out

When reliability matters, the TEY330 delivers. The bolt-on design not only simplifies installation but also secures the electrical path against vibration-induced faults common in active facilities. The thermal-magnetic trip unit provides fast, predictable responses to overloads and short circuits, helping you minimize downtime and protect costly equipment. With OEM compatibility, you can be confident in a seamless fit within existing GE load centers and panelboards, reducing retrofit complexity and inventory confusion. This makes the TEY330 an excellent choice for technicians and facilities teams seeking durable, franchise-approved protection for 3-phase 480V circuits.

Practical tips for best results

• Verify system voltage is a 480V three-phase configuration before installation to ensure proper operation.
• Pair the TEY330 with GE-compatible panelboards and load centers to maintain consistent electrical performance and warranty considerations.
• Use the 3-pole design to achieve balanced protection across all phases, particularly for motors and drive systems.
• Schedule regular checks of mounting integrity in vibration-prone environments to preserve a solid connection over time.