GE TEY345 45A 3P 480V Circuit Breaker, Bolt-On | AmpState

Meet the GE TEY345—an 45 A, 3-pole 480 V circuit breaker designed for dependable protection in panelboards, load centers, and electrical distribution systems. Built to stand up to demanding commercial and industrial environments, this bolt-on breaker is ideal for replacement projects and stocking spares to keep your bill of materials aligned with the original GE part number.

Key features that matter in the field:

• Model and rating: TEY345, 45 A, 3-pole, 480 V
• Mounting: Bolt-on design for secure, straightforward installation on compatible GE panelboards and distribution gear
• Application: Primary circuit protection in panelboards, load centers, and electrical distribution networks
• Maintenance and logistics: An excellent choice for replacements and spare stocking to maintain BOM integrity with the original part number

Why this GE circuit breaker stands out

The TEY345 combines robust dimensional compatibility with dependable overcurrent protection for 480-volt systems. Its three-pole configuration streamlines distribution protection across multi-phase feeders, helping reduce downtime during maintenance and ensuring consistent shutdown safety across all connected circuits. With bolt-on mounting, field technicians can achieve secure, repeatable installations that stay seated even in vibration-prone environments.

Ideal use cases and who benefits

Ideal for facilities managers, electrical contractors, and maintenance teams overseeing GE panelboards and load centers. Use the TEY345 when you need a direct replacement that preserves the original BOM structure, or when stocking a spare to minimize turn-around time on critical electrical distributions. It’s a practical choice for commercial buildings, manufacturing floors, and data centers where reliable, predictable protection matters most.

How it fits into your workflow

If you’re validating compatibility with existing gear, AmpState stocks this part under GE TEY345 and can assist with fit confirmation. For replacement planning, pair this 45 A, 3-pole 480 V bolt-on breaker with your current GE distribution panels to maintain consistency across your protection scheme and ensure seamless maintenance cycles. Need help verifying fit? Message AmpState to confirm exact compatibility with your panelboard or load center.