Type 1+2 combined lightning current and surge arrester - FLT-SEC-P-T1-3C-264/50-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

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-N/PE
Nominal voltage UN 240/415 V AC (TN-C)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 264 V AC
Rated load current IL 125 A (< 55 °C)
Nominal discharge current In (8/20) µs 50 kA
Maximum discharge current Imax (8/20) µs 100 kA
Impulse discharge current (10/350) µs, charge 25 As
Impulse discharge current (10/350) µs, specific energy 625 kJ/Ω
Impulse discharge current (10/350) µs, peak value limp 50 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 ≤ 2.5 kV (at In)
Front of wave sparkover voltage at 6 kV (1.2/50) µs ≤ 2.5 kV
TOV behavior at UT 415 V AC (5 s / withstand mode)
760 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 500 A (gG)

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) 2500 V
Voltage protection rating VPR (L-G) 1500 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 2907390
Packing unit 1 pc
Minimum order quantity 1 pc
Product Key CL1173
Catalog Page Page 40 (C-4-2019)
GTIN 4055626197227
Weight per Piece (including packing) 1,253.2 g
Weight per Piece (excluding packing) 1,155.58 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

cUL Recognized

Approval ID: FILE E 330181

UL Recognized

Approval ID: FILE E 330181


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

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
Compact design even for 1-phase applications of lightning protection level I due to the high discharge capacity in a small amount of space