Type 1+2 special combined lightning current and surge arrester - FLT-SEC-T1+T2-3C-350/25-FM

Plug-in lightning and surge arrester combination, in accordance with Type 1+2/Class I+II, 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 Arrester combination
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
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-N/PE
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
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 25 kA (264 V AC)
3 kA (350 V AC)
Short-circuit current rating ISCCR 25 kA (264 V AC)
3 kA (350 V AC)
Voltage protection level Up ≤ 1.5 kV
Residual voltage Ures ≤ 1.5 kV (at In)
≤ 1.2 kV (at 10 kA)
≤ 1 kV (at 5 kA)
≤ 0.9 kV (at 3 kA)
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 / safe failure mode)
Response time tA ≤ 25 ns
Max. backup fuse with V-type through wiring 125 A (gG)
Max. backup fuse with branch wiring 315 A (gG)
Additional technical data
Maximum discharge current Imax (8/20) µs 100 kA

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) 528 V AC
Maximum continuous operating voltage MCOV (L-G) 264 V AC
Short-circuit current rating (SCCR) 50 kA
Voltage protection rating VPR (L-L) 2000 V
Voltage protection rating VPR (L-G) 1200 V
Nominal discharge current In 20 kA
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
UL indicator/remote signaling
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
EN 61643-11
Standards/specifications EN 61643-11

Mounting type DIN rail: 35 mm

Item number 2905469
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key C06
Product Key CL1241
Catalog Page Page 42 (C-4-2019)
GTIN 4046356950640
Weight per Piece (including packing) 1,067.1 g
Weight per Piece (excluding packing) 874.5 g
Customs tariff number 85363030
Country of origin DE


ECLASS-9.0 27130808
ECLASS-10.0.1 27130808
ECLASS-11.0 27130808


ETIM 8.0 EC001457


UNSPSC 21.0 39121600

cUL Recognized

Approval ID: FILE E 330181

UL Recognized

Approval ID: FILE E 330181


Approval ID: NL-58252


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


Approval ID: NTR-NL 7736
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2


Approval ID: 71-106983


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
Maximum protection against dynamic overvoltages for sensitive devices, thanks to direct coordination with varistor arresters connected in parallel