Type 1+2+3 combined lightning current and surge arresters - FLT-SEC-ZP2-3C-255/12.5

Lightning arrester, in acc. with Type 1 / Class I, for 3-phase power supply networks with combination installed N and PE (L1, L2, L3, PEN). For lightning protection equipotential bonding in accordance with lightning protection levels III and IV. For mounting on 40 mm busbar systems.

Product Details

IEC test classification I + II + III
T1 + T2 + T3
EN type T1 + T2 + T3
IEC power supply system TN-C
Type Busbar module, one-piece
Product type Combination type
Number of positions 3
Surge protection fault message visual, remote signaling via optional module
Insulation characteristics
Overvoltage category IV
Pollution degree 2

Nominal frequency fN 50 Hz (60 Hz)

Connection method Screw connection
Screw thread M6
Tightening torque 2.5 Nm
Stripping length 18 mm
Conductor cross section flexible 2.5 mm² ... 35 mm²
Conductor cross section solid 2.5 mm² ... 50 mm²

Dimensional drawing
Width 27 mm
47 mm (with spacer lid)
52 mm (with spacer lid)
Height 220.7 mm
Depth 104.4 mm
Horizontal pitch 1.5 Div.

Color light grey RAL 7035
Flammability rating according to UL 94 V-0
CTI value of material 175
Insulating material PA 6.6
Material group IIIa
Housing material PA 6.6

Mechanical data
Open side panel No

Mode of protection L-PEN
Direction of action 3L-PEN
Nominal voltage UN 230/400 V AC ±10 % (TN-C)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 255 V AC
Nominal discharge current In (8/20) µs 20 kA
Combination wave UOC 20 kV
Impulse discharge current (10/350) µs, charge 6.25 As
Impulse discharge current (10/350) µs, specific energy 39 kJ/Ω
Impulse discharge current (10/350) µs, peak value limp 12.5 kA
Total discharge current Itotal (10/350) µs 37.5 kA
Follow current interrupt rating Ifi 25 kA
Short-circuit current rating ISCCR 25 kA
Voltage protection level Up ≤ 1.5 kV
Front of wave sparkover voltage at 6 kV (1.2/50) µs ≤ 1.5 kV
TOV behavior at UT 442 V AC (120 min / withstand mode)
Response time tA ≤ 100 ns
Max. backup fuse with branch wiring 160 A (gG)

Ambient conditions
Degree of protection IP20C (Installed)
Ambient temperature (operation) -40 °C ... 80 °C
Ambient temperature (storage/transport) -40 °C ... 80 °C
Altitude ≤ 6000 m (amsl (above mean sea level))
Permissible humidity (operation) 5 % ... 95 %

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

Mounting type Busbar 40 mm

Item number 1168946
Packing unit 1 pc
Minimum order quantity 1 pc
Product Key CL1181
GTIN 4063151188207
Weight per Piece (including packing) 621 g
Weight per Piece (excluding packing) 554.9 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-67563


Approval ID: NTR-NL 7853
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2


Approval ID: 71-114664

VDE Zeichengenehmigung

Approval ID: 40052444

Compatible Products

Your advantages

Universal use – fits into every meter cabinet, regardless of manufacturer, with a narrow overall width of just 27 mm
Installation in the unmetered area with application rule VDE-AR-N 4100 compliance – confirmed through VDE approval
Mounts securely and without tools through a universal interlock on a 5 mm and 10 mm rail thickness
Integration into building technology systems with optional remote signaling module