HSA-275 (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.

Dimension drawing
Dimension drawing
Internal wiring diagram
Internal wiring diagram
Installation diagram
Installation diagram
Test class according to EN 61643-11:2012 and IEC 61643-11:2011 TYPE 2+3, CLASS II+III
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
Voltage protection level Up < 1,2 kV
Voltage protection level at UOC Up < 800 V
Temporary overvoltage (TOV) UT 337 V/5 s
Response time tA < 25 ns
Max. back-up fuse 160 A gL/gG
Short-circuit current rating at max. back-up fuse ISCCR 60 kArms
LPZ 1-3
Housing material Polyamid PA6, UL94 V-0
Degree of protection of enclosure IP20
Operating temperature ϑ -40 °C ... +70 °C
HSA-275 T2: 2,5 mm² (L, N), 6 mm² (PE, PEN)
Range of clamps fastening 1,5 ÷ 25 mm² (solid) / 1,5 ÷ 16 mm² (wire)
Method of assembly DIN rail 35 mm / any
Failure signalisation (S) optical function signalization target clear – ok / optical function signalization target red - fault
Lifetime min. 100 000 h
Weight m 89 g
Article number 24 527
Installation instructions (1.46 MB)
2D model (465.04 KB) for registered only
3D model (382.88 KB) for registered only