SPD type 2 – surge arrester 4-pole arrester for 3-phase TNS networks 4-pole varistor surge protection to
be installed in low-voltage distributions at the boundary of LPZ 1 and LPZ 2 zones to protect the distributions
and equipment against overvoltage effects induced during a lightning strike and to prevent switching
overvoltage. Optional remote status signalling (S).
Technical Data
Nominal voltage | Un | 230 V AC |
Maximum operating voltage | Uc | 275 V AC / 350 V DC |
Nominal discharge current (8/20 μs)/pole | In | 20 kA |
Maximum discharge current (8/20 μs)/pole | Imax | 40 kA |
Voltage protection level @ I = 5 kA (8/20 μs) | Up | 0,9 kV |
Voltage protection level | Up | 1,2 kV |
Response time | ta | 25 ns |
Short-circuit proof at maximum overcurrent protection | 50 kArms | |
Maximum overcurrent protection | 160 A gL/gG | |
Degree of protection | IP 20 | |
Range of operating temperatures | – 40 °C … + 80 °C | |
Mounting on 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 | |
Fault indication | red indication field | |
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. 1.0 EN 61643-11:2012 |
TNS Protection - 8595090517221
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