Type 1+2 combined lightning current and surge arrester - FLT-SEC-H-T1-3C-440/25-FM

Plug-in lightning current arrester, in accordance with Type 1/Class I, with integrated surge-proof fuse, for 3-phase power supply networks with combined PE and N installed in one conductor (L1, L2, L3, PEN).

Product Details

IEC test classification I / II
T1 / T2
EN type T1 / T2
IEC power supply system TN-C
Type DIN rail module, two-section, divisible
Product type Combination type
Number of positions 3
Surge protection fault message Optical, remote indicator contact
Insulation characteristics
Overvoltage category III
Pollution degree 2

Nominal frequency fN 50 Hz (60 Hz)
Indicator/remote signaling
Connection name Remote fault indicator contact
Switching function Changeover contact
Operating voltage 12 V AC ... 250 V AC
125 V DC (200 mA DC)
Operating current 10 mA AC ... 1 A AC
1 A DC (30 V DC)

Connection method Screw connection
Screw thread M5
Tightening torque 4.5 Nm
Stripping length 18 mm
Conductor cross section flexible 2.5 mm² ... 35 mm²
Conductor cross section solid 2.5 mm² ... 35 mm²
Conductor cross section AWG 13 ... 2
Connection method Fork-type cable lug
Conductor cross section flexible 1.5 mm² ... 16 mm²
Remote fault indicator contact
Connection method Plug-in/screw connection via COMBICON
Screw thread M2
Tightening torque 0.25 Nm
Conductor cross section flexible 0.14 mm² ... 1.5 mm²
Conductor cross section solid 0.14 mm² ... 1.5 mm²
Conductor cross section AWG 28 ... 16

Dimensional drawing
Width 106.8 mm
Height 167 mm
Depth 74.5 mm
Horizontal pitch 6 Div.

Color light grey RAL 7035
traffic grey A RAL 7042
Flammability rating according to UL 94 V-0
CTI value of material 600
Insulating material PA 6.6-FR 20% GF
Material group I
Housing material PA 6.6-FR 20 % GF

Mechanical data
Open side panel No

Mode of protection L-PEN
Direction of action 3L-N/PE
Nominal voltage UN 400/690 V AC (TN-C)
400 V AC (IT)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 440 V AC
Residual current IPE ≤ 5 µA
Nominal discharge current In (8/20) µs 25 kA
Maximum discharge current Imax (8/20) µs 50 kA
Impulse discharge current (10/350) µs, charge 12.5 As
Impulse discharge current (10/350) µs, specific energy 160 kJ/Ω
Impulse discharge current (10/350) µs, peak value limp 25 kA
Follow current interrupt rating Ifi 50 kA
Short-circuit current rating ISCCR 50 kA
Voltage protection level Up ≤ 2.5 kV
Residual voltage Ures ≤ 2.1 kV (at In)
≤ 2.8 kV (at 50 kA)
≤ 1.7 kV (at 12.5 kA)
≤ 1.5 kV (at 5 kA)
≤ 1.35 kV (at 2.5 kA)
Front of wave sparkover voltage at 6 kV (1.2/50) µs ≤ 2.5 kV
TOV behavior at UT 580 V AC (5 s / withstand mode)
760 V AC (120 min / withstand mode)
1640 V AC (200 ms / safe failure mode)
Response time tA ≤ 100 ns

Ambient conditions
Degree of protection IP20 (only when all terminal points are used)
Ambient temperature (operation) -40 °C ... 80 °C
Ambient temperature (storage/transport) -40 °C ... 80 °C
Altitude ≤ 2000 m (amsl (above mean sea level))
Permissible humidity (operation) 5 % ... 95 %

Standards/specifications IEC 61643-11
Standards/specifications EN 61643-11

Mounting type DIN rail: 35 mm

Item number 2907260
Packing unit 1 pc
Minimum order quantity 1 pc
Product Key CL1163
Catalog Page Page 34 (C-4-2019)
GTIN 4055626176437
Weight per Piece (including packing) 1,767 g
Weight per Piece (excluding packing) 1,755 g
Country of origin DE


ECLASS-9.0 27130802
ECLASS-10.0.1 27130802
ECLASS-11.0 27130802


ETIM 8.0 EC000381


UNSPSC 21.0 39121600


Approval ID: NL-41433


Approval ID: RU C-DE.*09.B.00169


Approval ID: NTR-NL 7490
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2


Approval ID: 2188437.01

REACh SVHC N,N-dimethylacetamide 127-19-5
China RoHS Environmentally Friendly Use Period = 50 years
For information on hazardous substances, refer to the manufacturer’s declaration available under “Downloads”

Your advantages

Surge protection family for universal use with optimum energy coordination from the lightning current arrester to the device protection
Easy to maintain due to consistently pluggable protection modules
Excellent level of information provided by mechanical/visual status indicator and remote indication contact
Optimum protective effect in the event of high-energy lightning currents, thanks to spark gap technology with low residual voltage characteristic
Integrated lightning-current-proof backup fuse for a low overall voltage protection level and space savings of up to 80% compared to an external backup fuse