HSA-600/2+1 S IT

Article number: 27 579
  • Surge arresters type T2 ensure the equipotential bonding and reduce switching, induced and residual overvoltage in single-phase and three-phase IT power supply systems.
  • The products consist of varistors with big discharge ability with gas discharge tube, which ensures zero leakage current in the PE conductor.
  • Installed at the boundaries of zones LPZ 1 – LPZ 2 into subsiduary switchboards and control panels.
  • S indication specifies a version with remote monitoring.
Test class according to EN 61643-11:2012 (IEC 61643-11:2011) T2
System IT
Number of poles
Nominal line voltage UN 500 V
Maximum continuous operating voltage AC UC 600 V
Maximum discharge current (8/20) L/CP Imax 40 kA
Nominal discharge current for class II test (8/20) L/CP In 15 kA
Open circuit voltage of the combination wave generator UOC 6 kV
Total discharge current (8/20) L1+L2+CP->PE ITotal 50 kA
Voltage protection level at In (CP/PE) Up < 1.5 kV
Voltage protection level at In (L/CP) Up < 2.1 kV
Voltage protection level at UOC (L/CP) Up < 1.7 kV
Temporary overvoltage test (TOV) for tT = 5 s (L/CP) UT 726 V
Temporary overvoltage test (TOV) for tT = 0.2 s (L/PE) UT 1 750 V
Response time (L/CP) tA < 25 ns
Response time (CP/PE) tA < 100 ns
Maximal back-up fuse 160 A gL/gG
Short-circuit current rating at maximum back-up fuse ISCCR 60 kArms
Lightning protection zone LPZ 1-2, LPZ 2-3
Housing material Polyamid PA6, UL94 V-0
Degree of protection IP20
Operating temperature ϑ - 40 ÷ 70 °C
Minimum cross-section of connected Cu conductors accord. to HD 60364-5-53:2022 (doesn't apply to „V“ connection) for T2 S 2.5 mm² (L, N)
6 mm² (PE, PEN)
Clamp fastening range (solid conductor) 1.5 ÷ 25 mm2
Clamp fastening range (stranded conductor) 1.5 ÷ 16 mm2
Tightening moment 3
Installation On DIN rail 35 mm
Modular width 3
Operating position Any
Signalling at the device Optic
Importance of local signaling OK – clear target
FAULT – red target
Remote signalling Yes
Potential free signal contact (S) (recommended cross-section of remote monitoring max. 1 mm2) AC: 250 V / 1.5 A, DC: 250 V / 0.1 A
Pluggable version No
Lifetime > 100 000 h
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Ing. Aneta Sčebelová
 +420 494 942 314