| Feature | Detailed Specification |
| Manufacturer | GE / ABB |
| Model Number | TEY340 |
| Amperage Rating | 40 Amps |
| Voltage Rating | 480Y/277V AC |
| Number of Poles | 3-Pole |
| Interrupting Rating | 14kA @ 480Y/277V |
| Breaker Type | Type TEY |
| Trip Type | Thermal-Magnetic (Non-Interchangeable) |
| Mounting Style | Bolt-On |
| Wire Size Range | #10 - #4 AWG (Al/Cu) |
| Certifications | UL Listed, CSA Certified |