| Technical /Model | HS2D-50 | 
| Maximum continuous voltage (UC) | 500/600 / 900 / 1000 / 1200 / 1500Vdc | 
| SPD to EN61643-11 | Type 1+2/Class I+Ⅱ | 
| Nominal discharge current (8/20μs) (In) | 30kA | 
| Maximum discharge current (8/20μs) (Imax) | 50kA | 
| Voltage protection level (Up) | ≤ 2.5 / 3.0 / 3.2 / 3.6 / 4.5kV | 
| Response time (tA) | < 25ns | 
| Thermal Protection | YES | 
| Operating State/Fault Indication | Green (good) / Red (replace) | 
| Degree of protection | IP 20 | 
| Insulating material/fireproof grade | PA66,UL94 V-0 | 
| Protective Elements | High Energy MOV | 
| Temperature range | PA66,UL94 V-0 | 
| Insulating material/fireproof grade | -40ºC~+80ºC | 
| Altitude | 4000m | 
| Conductor Cross Section (max) | 35mm2 (Solid) / 25mm2 (Flexible) | 
| Remote Contacts (RC) | Optional | 
| Format | Pluggable | 
| Internal configuration | (Y) or (U) | 
| For mounting on | DIN rail 35mm | 
| Place of installation |    Indoor installation  |