APT-S50A277V3YN
APT brand three phase surge protection device for 277/480 Y + neutral service.
UL Listed to 1449 3rd Edition requirements.
Eligible for use in UL Master Label Certificate systems.
Specifications
| Brand | APT |
| Phase | Three |
| Voltage | 277/480 |
| Configuration | Y + neutral |
| UL Master Label Certificate Eligible | Yes |