HSA-275/1+1 M S (Surge Arrester) : TYPE 2+3, CLASS II+III , 2 Pole
HSA-2751+1 M S (Hakel Surge Arrester) of the „G-Line“ range is a surge arrester according to EN 61643-11:2012 (IEC 61643-11:2011) consisting of high energy varistors. Its parameters enable its use in complex circumstances. The device is to be installed on the interface of LPZ 1 – LPZ 2 and higher zones according to standard EN 62305:2011 (IEC 62305:2010), i.e. into subsidiary switchboards and control boxes.
| Test class according to EN 61643-11:2012 (IEC 61643-11) | TYPE 2+3, CLASS II+III | |
| Network type | TN-S, TT | |
| Maximum continuous operating voltage | Uc | 275 V AC / 350 V DC |
| Maximum discharge current | Imax | 50 kA |
| Nominal discharge current for class II test (8/20) | In | 20 kA |
| Open circuit voltage | Uoc | 6 kV |
| Total discharge current (8/20 µs) L+N->PE | I total | 50 kA |
| Voltage protection level | U p | < 1,25 kV |
| Voltage protection level at U OC | Up | < 850 V |
| Impulse discharge current for class I test (10/350) N/PE | Iimp | 20 kA |
| Temporary overvoltage (TOV) L/N | U T | 337 V/5 s |
| Temporary overvoltage (TOV) N/PE | U T | 1200 V/0,2 s |
| Response time L/N | tA | < 25 ns |
| Response time N/PE | tA | < 100 ns |
| Max. back-up fuse | 160 A gL/gG | |
| Short-circuit withstand capability 160 A gL/gG | ISCCR | 60 kA rms |
| LPZ | January 3, 2019 | |
| Housing material | Polyamid PA6, UL94 V-0 | |
| Degree of protection of enclosure | IP20 | |
| Operating temperature | ϑ | -40 °C ... +70 °C |
| Cross-section of the connected conductors (at tightening moment of clamps 3 Nm) | 25 mm 2 (solid) | |
| 16 mm 2 (wire) | ||
| Method of assembly | DIN rail 35 mm / any | |
| Failure signalisation (S) | optical function signalization target clear – ok / optical function signalization target red - fault | |
| Potential free signal contact (S) (recommended cross-section of remote monitoring max.1 mm 2 ) | AC: 250 V / 1,5 A, DC: 250 V / 0,1 A | |
| Lifetime | min. 100 000 h | |
| Weight | m | 179 g |
| Article number | 27 091 |