General data
standardIEC 61643-11: 2011, EN 61643-11: 2012
product designationSurge protection device
Test Class I, Type 1No
Test Class II, Type 2Yes
Test Class III, Type 3No
number of SPD ports1
design of the productSurge arrester
design of pole1+N/PE
designation of the protective pathsL-N, N-PE
accessories1 x 5SD7428-1 + 1 x 5SD7428-0
fastening methodTH35 DIN rail
material of the enclosurePBT
size of surge arrester1.4 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 axis5 gn
relative humidity during operation5 ... 95 %
installation altitude at height above sea level maximum2 000 m
width25.4 mm
height98 mm
depth71.5 mm
Electrical data
type of distribution systemTN-S, TT
at AC230 V
value range of the operating frequency50 / 60 Hz
at AC maximum350 V
between N and PE at AC maximum264 V
between L and (PE)N at AC maximum350 V
discharge current at (8/20) µs20 kA
discharge current 1 phase at (8/20) µs maximum40 kA
between N and PE100 A (264 V a.c.)
short-circuit rating (SCCR) at 264 V25 kA
maximum1.5 kV
between N and L1.4 kV
between PE and N and/or L1.5 kV
— at rated value of discharge current maximum1.5 kV
— at 10 kA maximum1.3 kV
— at 5 kA maximum1.2 kV
— at 4 kA maximum1.1 kV
— at 2 kA maximum1 kV
— at rated value of discharge current maximum0.5 kV
— at 10 kA maximum0.5 kV
— at 5 kA maximum0.5 kV
— at 4 kA maximum0.5 kV
— at 2 kA maximum0.5 kV
between N and PE1.5 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 connection63 A AC (gG)
fuse protection type for T-connector315 A AC (gG)
Connections/ Terminals
type of electrical connectionScrew terminal
stripped length16 mm
tightening torque4.3 ... 4.7 N·m
for finely stranded conductor2.5 ... 16 mm²
for rigid conductor2.5 ... 25 mm²
finely stranded2.5 ... 16 mm²
AWG number as coded connectable conductor cross section12 ... 4
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 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 surge protective device (SPD) according to UL4CA
type of distribution system according to UL1
type of distribution systemTN-S, TT
designation of the protective paths according to ULL-N, L-G, N-G
between L and Ground (GND)2.08 kV
between L and N2 kV
between N and Ground (GND)0.95 kV
between L and Ground (GND)350 V
between L and N350 V
between N and Ground (GND)264 V
between N and Ground (GND) according to UL rated value20 kA
between L and N according to UL rated value20 kA
between L and Ground (GND) according to UL rated value20 kA
according to UL14 ... 2
for remote signaling contacts according to UL30 ... 14
operating voltage of the remote signaling contacts according to UL125 V
operational current of the remote signaling contacts at AC according to UL1 A
during operation-40 ... +80 °C
during storage-40 ... +80 °C
installation altitude above sea level according to UL6 562 ft
combustibility class according to UL 94V0
standards according to ULUL 1449 edition 4