Surge arresters RSP-E7.5... series
Surge arresters RSP-E7.5... series
4-pole varistor-spark gap arresters, Iimp = 7.5 kA per pole
Technical info
RSP-E7.5... is a Class I+II SPD for surge and lightning protection of low-voltage power supply systems, especially in high-risk exposure areas or building entrances in LPZ 0-2 (IEC 62305-4), protecting against damage caused by surges and voltage spikes from lightning and other electrical sources; suitable for use in auxiliary distribution boards.
• IEC / EN / VDE category: Class I+II / Type 1+2 / B+C
• Application: auxiliary distribution boards (SB)
• Power networks: TT, TN-S, TN-C
• Protection modes: L-N, N-PE
• Protective elements: MOV, MOV+GDT
• Enclosure: compact
• Mechanical status indicator: green/red flag
• Compliant with standards: IEC/EN 61643-11:2011, IEC 60364-4-53, IEC 62305, CE, RoHS
Electrical parameters
| RSP-E7.5-4 |
RSP-E7.5-31 |
|
| Maximum continuous operating voltage Uc |
275 V AC |
275 V AC / 255 V AC (L-N / N-PE) |
| Nominal discharge current (8/20 μs) In |
20 kA |
20 kA / 20 kA (L-N / N-PE) |
| Maximum discharge current (8/20 μs) Imax |
50 kA |
50 kA / 50 kA (L-N / N-PE) |
| Voltage protection level Up |
1,2 kV |
1,2 kV / 1,5 kV (L-N / N-PE) |
| Response time |
≤ 25 Ns |
|
| Backup fuse |
≤ 125 A gL/gG |
|
