GE TEY145 - 45 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState

When it comes to protecting 277V branch circuits, the GE TEY145 stands out as a reliable, purpose-built solution. This 1-pole, 45A bolt-on molded case circuit breaker is designed for solid performance in panelboards and load centers, delivering consistent protection for residential, commercial, and light industrial installations. Available from AmpState, it’s ready to slot into GE-compatible panels for a seamless upgrade or replacement.

• Secure bolt-on mounting: provides a rigid, vibration-resistant bus connection that stays tight under normal panel activity, helping maintain dependable electrical continuity.
• Thermal-magnetic trip unit: delivers stable, repeatable protection across varying temperatures and load conditions, quickly responding to overcurrent and short-circuit events to protect conductors and connected equipment.
• OEM-ready compatibility: engineered to pair with matching GE OEM load centers and panelboards, ensuring consistent performance and straightforward replacements in existing systems.
• Versatile application: ideal for residential, commercial, and light industrial panels that run 277V circuits—perfect for lighting feeders, receptacle distribution, and small machinery circuits in office buildings, retail spaces, and light industrial facilities.

Technical specifications

• Manufacturer: GE
• Part number: TEY145
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 45 A
• Voltage rating: 277 V
• Number of poles: 1
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who is this for?

Electrical professionals upgrading GE-compatible panelboards, facility managers maintaining commercial spaces, or seasoned DIYers replacing a failed 277V breaker will appreciate the TEY145’s straightforward installation and reliable protection. It’s a practical choice for ensuring safe, continuous operation of critical circuits in offices, shops, schools, and light manufacturing environments.

Choose the GE TEY145 for robust, dependable protection tailored to 277V single-pole circuits. Add it to your cart and secure a precise fit for your GE panelboard ecosystem.