| Nominal AC Voltage (50/60Hz) | Un | 230V | 230V | 230V | 400V |
| Maximum Continuous Operating Voltage (AC) | Uc | 275V | 320V | 385V | 440V |
| Nominal Discharge Current (8/20 μs) | In | 20kA - 60kA |
| Maximum Discharge Current (8/20 μs) | Imax | 60kA- 120kA |
| Impulse Discharge Current (10/350 μs) | Iimp | 12.5kA - 25kA |
| Voltage Protection Level | Up | ≤1.8-2.0kV | ≤2.0-2.5kV | ≤2.0-2.8kV | ≤2.0-3.0kV |
| Response Time | tA | < 25 ns |
| Back-Up Fuse (max) | - | 125 - 315 A gL / gG |
| Short-Circuit Current Rating (AC) | Isccr | 25 kA |
| Operating Temperature Range | Ta | -40 °F to + 158 °F [-40 °C to + 70 °C] |
| Conductor Cross Section (max) | - | 2 AWG (Solid, Stranded) / 4 AWG (Flexible) |
| Conductor Cross Section (max) | - | 35 mm² (Solid, Stranded) / 25 mm² (Flexible) |
| Mounting | - | 35 mm DIN Rail, EN 60715 |
| Degree of Protection | - | IP 20 (built - in) |
| Operating State / Fault Indication | - | White ok / Red defect |
| Remote Contacts (RC) | - | Optional |
| RC Switching Capacity | - | AC: 250 V / 0.5 A; DC: 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A |
| RC Conductor Cross Section (max) | - | 16 AWG (Solid) / 1.5 mm² (Solid) |