GE TEY340ST12 40A 3P 480V Circuit Breaker, Bolt-On | AmpState

The GE TEY340ST12 40A 3P 480V Bolt-On Circuit Breaker from AmpState is engineered for dependable circuit protection in everyday electrical work. Designed for panelboards, load centers, and distribution systems, this three-pole breaker delivers robust protection for three-phase circuits while simplifying retrofit and maintenance tasks with its bolt-on mounting.

• Three-pole, 40 Amp, 480V rating: Ideal for protecting medium to high-demand three-phase circuits in commercial or industrial environments.
• Bolt-On mounting: Facilitates rapid, secure installation and straightforward field replacements without complex mounting hardware.
• Panelboard and load center compatibility: Specifically suited for distribution panels where reliable circuit protection and easy swap-in parts matter.
• Retrofit-ready and maintenance-friendly: Keeps part numbers consistent in inventories and service documentation, reducing downtime during upgrades or repairs.
• Trusted GE reliability: A practical choice for projects that require durable, standards-aligned protection in a familiar equipment family.
• AmpState availability: Ready to ship from AmpState, with support to verify fit and compatibility for your panel or distribution system.

Use cases and practical applications

- Retrofit projects where the existing part number must remain unchanged so maintenance records and spare parts ordering stay consistent.
- Upgrading or maintaining commercial electrical distribution where three-phase protection is essential.
- Replacing a failed breaker in panelboards or load centers that rely on a bolt-on GE solution for quick service continuity.

Compatibility and installation notes

If you’re uncertain about fit, AmpState offers assistance to confirm compatibility with your specific GE panel or distribution setup. The TEY340ST12 is presented as a 40A, 3P, 480V bolt-on option designed for panelboard and load center configurations; ensure your enclosure supports a bolt-on GE breaker of this rating and pole count before purchase.

Why choose this GE TEY340ST12 with AmpState

This part combines the reliability of GE engineering with the procurement convenience of AmpState. It’s more than a replacement component—it’s a strategic choice for crews prioritizing installation speed, consistent part numbers for maintenance, and dependable three-phase protection in demanding environments. Ready to ship and ready to fit when your project requires a precise, bolt-on 3P 480V breaker.