| BY1-25/1P | | 150 | 275 | 320 | 385 | 440 |
| Tegangan AC Nominal (50/60Hz) | U0/Un | 120V | 230V | 230V | 230V | 400V |
| Tegangan Operasi Kontinu (AC) Maksimum | Uc | 150V | 275V | 320V | 385V | 440V |
| Nominal Discharge Arus (8/20 μs) | In | | | 25KA | | |
| Arus Discharge Maksimum (8/20 μs) | Imaks | | | 100KA | | |
| Arus Discharge Impuls (10/350 μs) | Iimp | | | 25KA | | |
| Energi Spesifik | W/R | | | 156KJ/ | | |
| Ngisi daya | Q | | | 12.5As | | |
| Tingkat Proteksi Tegangan | Up | 1000V | 1500V | 1600V | 1800V | 2000V |
| Wektu Respon | tA | | | <25ns | | |
| Sekring Cadangan (maks) | | | | 315A gL/gG | | |
| Peringkat Arus Sirkuit Pendek (AC) | ISCCR | | | 50KA | | |
| TOV Tahan 5s | UT | 180V | 335V | 335V | 335V | 580V |
| TOV 120 min | UT | 230V | 440V | 440V | 440V | 765V |
| Jumlah Pelabuhan | | | | 1 | | |