| SPD classification according to IEC/EN61643-11 | T2 | T2 | T2 | T2 | T2 | |
| Max. continuous operating a.c.voltage | Uc | 150V | 275V | 320V | 385V | 440V |
| Max. continuous operating a.c.voltage | Uc(N-PE) | 255V | 255V | 255V | 255V | 255V |
| Norminal discharge current (8/20μs) | In | 10kA | 10kA | 10kA | 10kA | 10kA |
| Maximum discharge current (8/20μs) | Imax | 20kA | 20kA | 20kA | 20kA | 20kA |
| Voltage protection level | Up | ≤0.8kV | ≤1.0kV | ≤1.2kV | ≤1.45kV | ≤1.6kV |
| Voltage protection level 5kA | Up | ≤0.5kV | ≤0.8kV | ≤1.0kV | ≤1.2kV | ≤1.4kV |
| Voltage protection level | Up(N-PE) | ≤1.5kV | ≤1.5kV | ≤1.5kV | ≤1.5kV | ≤1.5kV |
| Max. backup fuse | 125A gL | |||||
| Response time | tA | ≤25ns | ||||
| Response time | tA(N-PE) | ≤100ns | ||||
| Operating temperature range | Tu | -40℃~80℃ | ||||
| Operating State/Fault Indication | Green/Red | |||||
| Cross-section area (Min.) | 4mm2 | |||||
| Cross-section area (Max.) | 2 35mm | |||||
| For mounting on | 35mm Din rail | |||||
| Enclosure material | Thermal Plastic UL94-V0 | |||||
| Degree of Protection | IP20 | |||||
| No. of Poles | 1P,2P,3P,4P,1P+NPE,3P+NPE | |||||
| No. of Poles | Max. Continuous Operating AC Voltage | ||||
| 150V | 275V | 320V | 385V | 440V | |
| 1P | EKU5-T2-20-1P150 | EKU5-T2-20-1P275 | EKU5-T2-20-1P320 | EKU5-T2-20-1P385 | EKU5-T2-20-1P440 |
| 2P | EKU5-T2-20-2P150 | EKU5-T2-20-2P275 | EKU5-T2-20-2P320 | EKU5-T2-20-2P385 | EKU5-T2-20-2P440 |
| 3P | EKU5-T2-20-3P150 | EKU5-T2-20-3P275 | EKU5-T2-20-3P320 | EKU5-T2-20-3P385 | EKU5-T2-20-3P440 |
| 4P | EKU5-T2-20-4P150 | EKU5-T2-20-4P275 | EKU5-T2-20-4P320 | EKU5-T2-20-4P385 | EKU5-T2-20-4P440 |
| 1P+NPE | EKU5-T2-20-1PN150 | EKU5-T2-20-1PN275 | EKU5-T2-20-1PN320 | EKU5-T2-20-1PN385 | EKU5-T2-20-1PN440 |
| 3P+NPE | EKU5-T2-20-3PN150 | EKU5-T2-20-3PN275 | EKU5-T2-20-3PN320 | EKU5-T2-20-3PN385 | EKU5-T2-20-3PN440 |
| With Remote Signaling | |||||
| 1P | EKU5-T2-20-1P150S | EKU5-T2-20-1P275S | EKU5-T2-20-1P320S | EKU5-T2-20-1P385S | EKU5-T2-20-1P440S |
| 2P | EKU5-T2-20-2P150S | EKU5-T2-20-2P275S | EKU5-T2-20-2P320S | EKU5-T2-20-2P385S | EKU5-T2-20-2P440S |
| 3P | EKU5-T2-20-3P150S | EKU5-T2-20-3P275S | EKU5-T2-20-3P320S | EKU5-T2-20-3P385S | EKU5-T2-20-3P440S |
| 4P | EKU5-T2-20-4P150S | EKU5-T2-20-4P275S | EKU5-T2-20-4P320S | EKU5-T2-20-4P385S | EKU5-T2-20-4P440S |
| 1P+NPE | EKU5-T2-20-1PN150S | EKU5-T2-20-1PN275S | EKU5-T2-20-1PN320S | EKU5-T2-20-1PN385S | EKU5-T2-20-1PN440S |
| 3P+NPE | EKU5-T2-20-3PN150S | EKU5-T2-20-3PN275S | EKU5-T2-20-3PN320S | EKU5-T2-20-3PN385S | EKU5-T2-20-3PN440S |
