General Electric | TEY3040ST12 | Circuit Breaker | 40A | 3-Pole | 480V

General Electric TEY3040ST12 Circuit Breaker delivers dependable, three-phase protection for demanding industrial and commercial power systems. This genuine GE part is specifically configured for 40-amp circuits, 3-pole operation, and a 480-volt environment, making it an ideal choice for maintenance, retrofit, and replacement projects where exact specifications matter.

Key strengths that matter in real-world setups

• Exact match for three-phase distribution: 3-Pole design and 480V rating ensure reliable protection for three-phase feeders, motors, and equipment in commercial and industrial panels.
• Solid protection at 40A: Protects circuits and connected equipment from overcurrent events, helping prevent equipment damage and unplanned downtime.
• Genuine GE replacement: TEY3040ST12 is the recognized reference for compatibility with GE panels and switchgear, reducing guesswork during installation.

Why choose this GE circuit breaker

When reliability and precise compatibility are non-negotiable, this TEY-series breaker from General Electric stands out. It’s designed for applications where three-phase protection is essential and high-voltage distribution (up to 480V) is the norm. By using the exact part number TEY3040ST12, you minimize compatibility risk and streamline the replacement process.

Best-fit use cases

• Industrial equipment and machinery fed by three-phase 480V systems
• Retrofits or upgrades in existing GE panels where a 40A, 3-pole breaker is specified
• Maintenance schedules that require sourcing a precise, original-part replacement
• Motor control centers and distribution panels housing TEY-series components

Practical notes for installation and compatibility

• Always confirm fit and ratings before ordering. The part number TEY3040ST12 is the best reference for compatibility with your GE panel or switchgear.
• Check the panel’s bus configuration and the circuit’s voltage/class requirements to ensure 480V, 3-pole protection aligns with your system design.
• Store and handle with care to preserve the breaker’s mechanical integrity and trip reliability.

For professionals maintaining or upgrading three-phase power systems, this General Electric TEY3040ST12 circuit breaker offers precise rating, dependable protection, and a straightforward path to compatibility. Use it wherever 40A, 3-pole, 480V protection is mandated, and rely on GE’s engineering to safeguard your equipment and keep downtime to a minimum.