FLP-7-V/3+1 Combined Lightning and Surge Arrester
Lightning Current Arresters
FLP-7-V/3+1
FLP-7-V/3S+1
SPD type 1 and type 2
4-pole (3+NPE) arrester for 3-phase TT (TNS) networks Total Iimp= 25 kA (10/350) Varistor lightning and surge current arresters and heavy duty encapsulated spark gap connected in the mode 3+1. To be installed in low-voltage distributions at the boundary of LPZ 0B and LPZ 1 zones to protect distributions and equipment against the overvoltage effects induced during a lightning strike and to prevent switching overvoltage. Optional remote status signalling – version „S“. * Version UC =385 V available on request
| Technical data | L-N | N-PE |
| Nominal voltage Un | 230 V AC | ------- |
| Maximum operating voltage Uc | 275 V AC | 255 V AC |
| Nominal discharge current (8/20 μs)/pole In | 30 kA | 30 kA |
| Maximum discharge current (8/20 μs)/pole Imax | 60 kA | 60 kA |
| Lighting impulse current (10/350 μs)/pole Iimp | 7 kA | 25 kA |
| Voltage protection level Up | 1,2 kV | 1,5 kV |
| Voltage protection level (L - PE) Up | 1,5 kv |
|
| Response time ta | 25 ns | 100 ns |
| Ability to independently switch off the following current If | no following current | 100 A |
| Short-circuit proof at maximum over current protection | 50 kArms | ------- |
| Maximum over current protection | 160 A gL/gG | -------- |
| Degree of protection | IP 20 | IP 20 |
| Range of operating temperatures | – 40 °C … + 80 °C | – 40 °C … + 80 °C |
| Mounting on | DIN rail 35 mm | DIN rail 35 mm |
| Cross-section of connected conductors Solid min/max Stranded min/max |
ISO: 1/35 mm2 ; AWG: 17/2 ISO: 1/25 mm2 ; AWG: 17/4 |
ISO: 1/35 mm2 ; AWG: 17/2 ISO: 1/25 mm2 ; AWG: 17/4 |
| Fault indication | red indication field | no |
| Remote indication – S design | potential-free change-over contact | ------- |
| Remote indication contacts | 250 V / 0,5 A AC, 250 V / 0,1 A DC | ------- |
| Cross-section of remote indication conductors | max. 1,5 mm2 | ------- |
| Meets the requirements of standard | IEC 61643-11 ed. 1.0TIT2 EN 61643-11:2012T1T2
| IEC 61643-11 ed. 1.0TIT2 EN 61643-11:2012T1T2 |