Products
BX7U Series Surge protector device(hereinafter referred to as SPD) is used for power supply systems such as IT, TT, TN-C, TN-S, TN-CS, etc. for low-voltage AC distribution systems, for indirect lightning and direct lightning or other A surge of transient overvoltage is protected. The SPD has a common mode(MC) and differential mode(MD) protection. The SPD complies with GB/T18802.1/IEC61643-II.
| Standard | BX7U-40 | |
| According to IEC61643-11 | Type 2 | |
| Max. continous operation AC voltage | Uc | 275V AC |
| Norminal discharge current（8/20μs） | In | 20kA |
| Maximum discharge current (8/20μs) | Imax | 40kA |
| Peak current（10/350） | Ipeak | / |
| Voltage protection level (L-N) | Up | 1.5kV |
| Response time (L-N) | tA | 25ns |
| Environment temperature | Tu | -40°C~80°C |
| Status indicator | Green / red | |
| Mounting | 35mm Standard Guide | |
| Cross section of wire (Min.) | mm² | 4mm² |
| Cross section of wire (Max.) | mm² | 35mm² |
| Casing material | Thermoplastic UL94-V0 | |
| Protection grade | IP20 | |
| Remote Signalling | Optional | |
| Dimension (LxWxH) | 90x70x18/36/54/72mm | |
| Poles | 1P, 2P, 3P, 4P, 1P+N, 3P+N, 1P+NPE, 3P+NPE |
