GE TEY350 - 50 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

GE TEY350 remains a reliable backbone for protecting your electrical distribution in panelboards and load centers. This 50A, 480V, 3-pole bolt-on molded case circuit breaker is engineered for dependable branch-circuit overcurrent and short-circuit protection, delivering consistent performance in a range of environments from homes to small to mid-size commercial facilities. Why the GE TEY350 stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that stands up to equipment start-up surges and ongoing operation, reducing the risk of loose connections over time.
• Thermal-magnetic trip unit delivers stable, repeatable protection by sensing both overloads and short circuits, helping to minimize nuisance trips while guarding downstream circuits.
• 3-pole, 480V configuration ideal for 3-phase distribution in commercial and light industrial systems, offering coordinated protection for three live conductors.
• OEM-compatible designed to work with matching OEM load centers and panelboards, simplifying replacement and maintenance when upgrading or expanding a system.
• Versatile application suited for residential, commercial, and light industrial environments, providing a practical solution for feeders, panel protection, and branch circuits.

What this breaker protects and how it helps you

The GE TEY350 is built to guard against overcurrent and short circuits on 3-phase 480V circuits. With a robust molded case design and precise trip characteristics, it helps prevent equipment damage, reduces the risk of electrical fires, and supports safer, more reliable power distribution across building systems, HVAC, lighting, and machinery feeders.

Technical snapshot

• Manufacturer: GE
• Part number: TEY350
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 50A
Voltage rating: 480V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal scenarios and practical use

• Upgrading or expanding 3-phase panels in small to mid-size commercial spaces, workshops, or light manufacturing.
• Replacing aging breakers in panelboards where a secure bolt-on connection and robust protection are priorities.
• Installing in systems where 480V 3-phase distribution must be protected at the feeder or branch-circuit level.
• Situations requiring dependable protection in environments subject to vibration or frequent equipment cycling.

Installation and care tips

For best results, pair the GE TEY350 with compatible OEM load centers and panelboards, follow torque specifications during bolt-on mounting to ensure a solid connection, and verify proper heat dissipation and clearance in the panel enclosure. Regular inspection of connections and the trip unit’s responsiveness helps maintain reliable protection over time.

With its combination of secure mounting, precise thermal-magnetic protection, and OEM compatibility, the GE TEY350 50A, 480V, 3-pole bolt-on circuit breaker is a practical, durable choice for safeguarding electrical distribution in residential, commercial, and light industrial settings.