General Electric | TED134045ST12 | Circuit Breaker | 45A | 3-Pole | 480V

General Electric TED134045ST12 circuit breaker delivers reliable overcurrent protection for three‑phase 480V systems. With a 45A rating and a 3‑pole configuration, this OEM GE component is built for maintenance, retrofit, and replacement projects where exact specifications matter and seamless compatibility is essential.

• Exact specification alignment: Amperage 45A • Poles: 3‑Pole • Voltage: 480V. The TED134045ST12 part number is the strongest compatibility reference for matching your existing equipment and panel design.
• OEM reliability: A genuine General Electric part that preserves the trip characteristics and wiring interfaces your system was engineered to use, helping maintain safety and performance.
• Versatile fitment: Ideal for maintenance, retrofit, and replacement in 480V 3‑phase electrical distributions where precise specs are required.
• Downtime prevention: By using the exact GE part number, you minimize guesswork during service and reduce the risk of mismatched components that can delay operations.

Practical use cases

• Upgrading aging panels in industrial facilities that run on 480V three-phase power, where a 45A, 3‑pole protection device is needed to safeguard motors and drives.
• Retrofits in manufacturing lines and control cabinets that require OEM components to maintain warranty coverage and compatibility with existing breakers and bus connects.
• Spare replacement for service life extension in critical distribution panels, ensuring consistent protection without reengineering panel interiors.

How to ensure the right fit

• Always confirm fit and ratings before ordering; the part number TED134045ST12 is the best reference for compatibility with your panel and upstream devices.
• Use this part in 480V, three-phase circuits where a 45A rating aligns with your protective coordinate (breaker trips in overcurrent conditions to prevent equipment damage).
• Follow standard electrical safety practices and local electrical codes during installation and maintenance to ensure safe, compliant operation.

Specifications at a glance

• Amperage: 45A
• Poles: 3-Pole
• Voltage: 480V
• Manufacturer: General Electric
• Part Number: TED134045ST12

Upgrade or replace with confidence by selecting this General Electric TED134045ST12 circuit breaker. Its exact spec match for 480V three-phase systems helps you maintain reliable protection, simplifies maintenance planning, and supports accurate documentation for compliance and warranty considerations. Add to your cart to ensure you have the right OEM part on hand for your next service window.