General data
standardIEC 61643-11: 2011, EN 61643-11: 2012
product designationSurge protection device
Test Class I, Type 1Yes
Test Class II, Type 2Yes
Test Class III, Type 3No
number of SPD ports1
design of the productCombination surge arresters
design of pole3+N/PE
designation of the protective pathsL-N, L-PE, N-PE
accessories3 x 5SD7418-3 + 1 x 5SD7418-2
fastening methodTH35 DIN rail
material of the enclosurePA 6.6 / PBT
size of surge arrester4 MW
degree of pollution2
overvoltage category according to IEC 61010-1III
protection class IP at connection all terminalsIP20
shock acceleration30 gn
vibrational acceleration at 5 Hz ... 500 Hz limited to 2,5 h per axis7.5 gn
relative humidity during operation5 ... 95 %
installation altitude at height above sea level maximum2 000 m
width71.2 mm
height98.7 mm
depth77.5 mm
Electrical data
type of distribution systemTN-S, TT
at AC230 V
value range of the operating frequency50 / 60 Hz
at AC maximum335 V
between N and PE at AC maximum264 V
between L and (PE)N at AC maximum335 V
apparent power consumption maximum810 mVA
total discharge current at (8/20) µs50 kA
between L and (PE)N at (8/20) µs12.5 kA
between L and N at (8/20) µs50 kA
between L and PE at (8/20) µs50 kA
between L and PE at (8/20) µs12.5 kA
between N and PE at (8/20) µs50 kA
between N and PE at (8/20) µs50 kA
total lightning impulse current at (10/350) µs50 kA
lightning current peak value between L and PE12.5 kA
lightning current peak value between N and PE50 kA
lightning current peak value between L and N12.5 kA
charge of the flash between L and N6.25 A·s
charge of the flash between L and PE6.25 A·s
charge of the flash between N and PE25 A·s
between L and N39 kJ/?
between L and PE39 kJ/?
between N and PE625 kJ/?
between N and PE100 A (264 V a.c.)
short-circuit rating (SCCR) at 264 V25 kA
between L and N maximum1.2 kV
between L and PE maximum2 kV
between N and L1.2 kV
between N and PE maximum1.7 kV
between PE and N and/or L1.7 kV
— at rated value of discharge current maximum1.2 kV
— at 10 kA maximum1.1 kV
— at 5 kA maximum1 kV
— at 3 kA maximum0.9 kV
— at rated value of discharge current maximum2 kV
— at 10 kA maximum1.5 kV
— at 5 kA maximum1.2 kV
— at 3 kA maximum1.1 kV
— at rated value of discharge current maximum0.6 kV
— at 10 kA maximum0.5 kV
— at 5 kA maximum0.5 kV
— at 3 kA maximum0.4 kV
between N and PE1.7 kV
response time between L and (PE)N25 ns
response time between N and PE100 ns
adjustable response factor of tripping current1.6
fuse protection type at V-shaped connection80 A AC (gG)
fuse protection type for T-connector160 A AC (gG)
Connections/ Terminals
type of electrical connectionScrew terminal
stripped length16 mm
tightening torque4.3 ... 4.7 N·m
for finely stranded conductor1.5 ... 25 mm²
for rigid conductor1.5 ... 35 mm²
finely stranded1.5 ... 25 mm²
AWG number as coded connectable conductor cross section15 ... 2
design of the thread of the connection screwM5
signal designOptical, remote signaling contact
Indicator/remote signaling
product component remote signaling contactYes
switching function of the remote signaling contactsPDT contact
operating voltage of the remote signaling contacts at AC5 ... 250 V
operational current of the remote signaling contacts at AC5 mA ... 1.5 A
connection type of remote signaling contactM2
connectable conductor cross-section for remote signaling contacts for rigid conductor0.14 ... 1.5 mm²
connectable conductor cross-section for remote signaling contacts for finely stranded conductor0.14 ... 1.5 mm²
AWG number as coded connectable conductor cross section for remote signaling contacts28 ... 16
tightening torque for remote signaling contacts0.25 N·m
stripped length of the cable for remote signaling contacts7 mm
NEMA/UL - Data
type of distribution systemTN-S, TT
during operation-40 ... +80 °C
during storage-40 ... +80 °C
combustibility class according to UL 94V0