HSAD16/24VDC

Article number: 30 252
  • Two-port surge arresters type T3 for serial connection.
  • Intended for protection of electronic appliances against the effects of switching, induced and residual overvoltage in DC power supply systems.
  • Contains an improved thermal fuse which ensures timely disconnection of the device from the power grid during overheating and thus prevents damage.
  • Activation of the thermal fuse is signalled by an integral indicator light.
  • Installed at the boundaries of LPZ 2 – LPZ 3, as close as possible to the protected device (no further than 5 m).
  • In front of HSAD16/*VDC S must be installed a lightning current and surge arrester T1 and T2 from HAKEL company.
  • S indication specifies a version with remote monitoring.
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Test class according to EN 61643-11:2012 (IEC 61643-11:2011) T3
System DC
Rated operating DC voltage UN 24 V
Maximum continuous operating voltage DC UC 28.8 V
Rated load current IL 16 A
Open circuit voltage of the combination wave generator UOC 4 kV
Voltage protection level at UOC (+/-) Up < 0.25 kV
Voltage protection level at UOC (±/PE) Up < 0.6 kV
Nominal discharge current for class II test (8/20) In 2 kA
Total discharge current (8/20) ±->PE ITotal 4 kA
Response time (+/-) tA < 25 ns
Response time (±/PE) tA < 100 ns
Maximal back-up fuse 16 A gL/gG
Residual current IPE ≤ 5 µA
Short-circuit current rating at maximum back-up fuse ISCCR 6 kArms
Lightning protection zone LPZ2, LPZ3
Housing material Polyamid PA6, UL94 V-0
Degree of protection IP20
Operating temperature ϑ - 40 ÷ 55 °C
Humidity range RH 5 ÷ 95 %
Recommended cross-section of connected conductors S 2.5 mm2
Clamp fastening range (solid conductor) 0.2 ÷ 6 mm2
Clamp fastening range (stranded conductor) 0.2 ÷ 4 mm2
Tightening moment 0,5
Installation On DIN rail 35 mm
Modular width 3
Operating position Any
Product placement environment Internal
Signalling at the device Optic
Importance of local signaling OK – red light off
FAULT – red light on
Remote signalling No
Includes EMI / EMC filter No
Modular design No
Lifetime > 100 000 h
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