Surge Protection Device: Three Phase, 277/480V AC Wye, 4 Poles, 4 + Ground Wires
Item: 18K873, MFR: TDX300S277/480, Brand: NVENT ERICO
| Phase | Three |
| Voltage | 277/480V AC Wye |
| Number of Poles | 4 |
| Number of Wires | 4 Wires + Ground |
| Modes of Protection | L-L, L-N, L-G, N-G |
| System Connection | Parallel |
| Basic Material | Metallic |
| Mounting Style | Chase Nipple/Panel |