HT-D 4/24

Hakel Transmition – is designed to protect transmission of information signals and Hakel Transmition-NV for protection of supply lines. The casing of this protector is made out of light alloy, which ensures high mechanical and thermal resistance. It is recommended for use in the Lightning Protection Zones Concept at the boundaries of LPZ 0-3 according to EN 62305 ed.2

Dimension drawing
Dimension drawing
Number of protected pairs 4
Connector type Eight-pole, screw type, slip-on terminal block
Nominal voltage UN 24 V
Maximum continuous operating voltage UC 28,6 V
Rated load current IL 100 mA
C2 Max. discharge current (8/20) Imax 10 kA
C2 Nominal discharge current ln (8/20) In 1 kA
C2 Voltage protection level at In UP 64 V
C3 Voltage protection level at 1 kV/µS UP 34 V
Response time tA < 30 ns
Data rate 1 MBit/s
Series impedance per line R 2,2 Ω
Parasitic capacitance C 1,5 nF
LPZ 0-3
Degree of protection of enclosure IP20
Operating temperature ϑ -40 °C ... +70 °C
Recommended section of the connected conductors S 0,25 - 1,5 mm2
Category tested acc. to IEC 61643:21-2000 C1, C2, C3, D1
Article number 35 005
EC declaration of conformity (82.4 KB) for registered only