Type 1+2 combined lightning current and surge arrester - FLT-SEC-P-T1-3C-350/25-FM

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

Product Details

Note Max. single impulse: 100 kA (8/20 µs)
SPD according to AS/NZS 1768 Cat. C3

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 95.2 mm
Depth 74.5 mm (incl. DIN rail 7.5 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 PA6.6-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-PEN
Nominal voltage UN 240/415 V AC (TN-C)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 350 V AC
Rated load current IL 125 A (< 55 °C)
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
Total discharge current Itotal (10/350) µs 75 kA
Follow current interrupt rating Ifi 50 kA
Short-circuit current rating ISCCR 50 kA
Voltage protection level Up ≤ 1.5 kV
Residual voltage Ures ≤ 1.5 kV (at In)
Front of wave sparkover voltage at 6 kV (1.2/50) µs ≤ 1.5 kV
TOV behavior at UT 415 V AC (5 s / withstand mode)
457 V AC (120 min / withstand mode)
Response time tA ≤ 100 ns
Max. backup fuse with V-type through wiring 125 A (gG)
Max. backup fuse with branch wiring 315 A (gG)
Additional technical data
Short-circuit current rating ISCCR 100 kA (264 V AC)
Follow current interrupt rating Ifi 100 kA (264 V AC)

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 %
Shock (operation) 30g (Half-sine / 11 ms / 3x ±X, ±Y, ±Z)
Vibration (operation) 5g (5 - 500 Hz/2.5 h/X, Y, Z)

UL specifications
Maximum continuous operating voltage MCOV (L-L) 700 V AC
Maximum continuous operating voltage MCOV (L-G) 350 V AC
Short-circuit current rating (SCCR) 50 kA
Voltage protection rating VPR (L-L) 2000 V
Voltage protection rating VPR (L-G) 1500 V
Mode of protection L-L
Nominal voltage 240 V AC
240/415 V AC
Rated load current IL 50 A
Power distribution system Delta
Nominal frequency 50/60 Hz
SPD Type 2CA
AC operating voltage 125 V AC
AC operating current 1 A AC
UL connection data
Tightening torque 40 lbf-in.
Conductor cross section AWG 3 ... 2

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

Mounting type DIN rail: 35 mm

Item number 2905419
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key C06
Product Key CL1171
Catalog Page Page 37 (C-4-2019)
GTIN 4046356950091
Weight per Piece (including packing) 1,244 g
Weight per Piece (excluding packing) 1,063.5 g
Customs tariff number 85363010
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

cUL Recognized

Approval ID: FILE E 330181

UL Recognized

Approval ID: FILE E 330181


Approval ID: NL-56588


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


Approval ID: NTR-NL 7726
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2


Approval ID: 71-106982


Approval ID: TAE000040S
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2

cULus Recognized

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
Low voltage protection level for direct protection of end devices in the main distribution area