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Combination type 1/2 protective device-FLT-SEC-P-T1-3S-350/25-
FM-2905421
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Plug-in lightning current arrester, in accordance with Type 1/Class I, for 3-phase power supply networks, with
separate N and PE (L1, L2, L3, PE, N).
Your advantages
Spark gap has no line follow current
Free of leakage current, suitable for use in the pre-meter area
High continuous voltage of 350 V AC for 230/400 V AC networks with high voltage fluctuations
Pluggable
Low voltage protection level of 1.5kV
Optical, mechanical status indicator
With floating remote indication contact
Plugs can be checked with CHECKMASTER 2
Key Commercial Data
Packing unit 1 pc
GTIN
GTIN 4046356950114
Weight per Piece (excluding packing) 1,680.000 g
Custom tariff number 85363010
Country of origin Germany
Technical data
Dimensions
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FM-2905421
Technical data
Dimensions
Height 95.2 mm
Width 142.4 mm
Depth 74.5 mm (incl. DIN rail 7.5mm)
Horizontal pitch 8 Div.
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)
General
IEC test classification I / II
I
T1 / T2
T1
EN type T1 / T2
T1
IEC power supply system TN-S
TT
Mode of protection L-N
L-PE
N-PE
Mounting type DIN rail: 35 mm
Color light grey RAL7035
traffic grey A RAL 7042
Housing material PA 6.6-FR 20% GF
PBT-FR
Degree of pollution 2
Flammability rating according to UL 94 V-0
Type DIN rail module, two-section, divisible
Number of positions 4
Surge protection fault message Optical, remote indicator contact
Protective circuit
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Combination type 1/2 protective device-FLT-SEC-P-T1-3S-350/25-
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Technical data
Protective circuit
Nominal voltage UN240/415V AC (TN-S)
240/415V AC (TT)
Nominal frequency fN50 Hz (60Hz)
Maximum continuous voltage UC350 V AC
Rated load current IL125 A (< 55 °C)
Residual current IPE ≤ 0.01 mA
Nominal discharge current In (8/20) µs (L-N) 25 kA
Nominal discharge current In (8/20) µs (L-PE) 25 kA
Nominal discharge current In (8/20) µs (N-PE) 100 kA
Maximum discharge current Imax (8/20) µs (L-N) 50 kA
Maximum discharge current Imax (8/20) µs (L-PE) 50 kA
Impulse discharge current (10/350)µs (L-N), charge 12.5 As
Impulse discharge current (10/350) µs (L-N), specific energy 160 kJ/Ω
Impulse discharge current (10/350)µs (L-N), peak current value Iimp 25 kA
Impulse discharge current (10/350) µs (L-PE), charge 12.5 As
Impulse discharge current (10/350)µs (L-PE), specific energy 160 kJ/Ω
Impulse discharge current (10/350) µs (L-PE), peak current value Iimp 25 kA
Impulse discharge current (10/350) µs (N-PE), charge 50 As
Impulse discharge current (10/350) µs (N-PE), specific energy 2500 kJ/Ω
Impulse discharge current (10/350) µs (N-PE), peak current value Iimp 100 kA
Total discharge current Itotal (10/350)µs 100 kA
Follow current interrupt rating Ifi (L-N) 50 kA
Follow current interrupt rating Ifi (N-PE) 100 A
Short-circuit current rating ISCCR 50 kA
Voltage protection level Up (L-N) ≤ 1.5 kV
Voltage protection level Up (L-PE) ≤ 2.5 kV
Voltage protection level Up (N-PE) ≤ 1.5 kV
Residual voltage Ures (L-N) ≤ 1.5 kV (at In)
Residual voltage Ures (L-PE) ≤ 2.5 kV (at In)
Residual voltage Ures (N-PE) ≤ 1.5 kV (at In)
TOV behavior at UT (L-N) 415 V AC (5s / withstand mode)
457 V AC (120min / withstand mode)
TOV behavior at UT (N-PE) 1200 V AC (200ms / withstand mode)
Response time tA≤ 100 ns
Max. backup fuse with V-type through wiring 125 A (gG)
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Combination type 1/2 protective device-FLT-SEC-P-T1-3S-350/25-
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Technical data
Protective circuit
Max. backup fuse with branch wiring 315 A (gG)
Additional technical data
Follow current quenching capacity Ifi (L-N) 100 kA (264 V AC)
Short-circuit current rating ISCCR 100 kA (264 V AC)
Maximum discharge current Imax (8/20) µs 100 kA (AS/NZS1768:2007)
Indicator/remote signaling
Switching function PDT 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 Plug-in/screw connection via COMBICON
Screw thread M2
Tightening torque 0.25 Nm
Stripping length 7 mm
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
Connection data
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
UL specifications
SPD Type 2CA
Maximum continuous operating voltage MCOV (L-L) 700 V AC
Maximum continuous operating voltage MCOV (L-N) 350 V AC
Maximum continuous operating voltage MCOV (L-G) 350 V AC
Maximum continuous operating voltage MCOV (N-G) 350 V AC
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Technical data
UL specifications
Nom. voltage 240/415V AC
Rated load current IL50 A
Mode of protection L-L
L-N
L-G
N-G
Power distribution system Wye
Nominal frequency 50/60 Hz
Voltage protection rating VPR (L-L) 2000 V
Voltage protection rating VPR (L-N) 1500 V
Voltage protection rating VPR (L-G) 1500 V
Voltage protection rating VPR (N-G) 1200 V
Nominal discharge current In20 kA
Short-circuit current rating (SCCR) 50 kA
UL indicator/remote signaling
Operating voltage 125 V AC
Operating current 1 A AC
Tightening torque 4 lbf-in.
Conductor cross section AWG 30 ... 14
UL connection data
Conductor cross section AWG 3 ... 2
Tightening torque 40 lbf-in.
Standards and Regulations
Standards/regulations IEC61643-11 2011
EN61643-11 2012
Environmental Product Compliance
REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 50
For details about hazardous substances go to tab “Downloads”, Category
“Manufacturer's declaration”
Drawings
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Combination type 1/2 protective device-FLT-SEC-P-T1-3S-350/25-
FM-2905421
Application drawing
Dimensional drawing
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Pictogram
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FM-2905421
Product drawing
Circuit diagram
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FM-2905421
Classifications
eCl@ss
eCl@ss 4.0 27130800
eCl@ss 4.1 27130800
eCl@ss 5.0 27130800
eCl@ss 5.1 27130800
eCl@ss 6.0 27130800
eCl@ss 7.0 27130802
eCl@ss 8.0 27130802
eCl@ss 9.0 27130802
ETIM
ETIM 4.0 EC000381
ETIM 5.0 EC000381
ETIM 6.0 EC000381
ETIM 7.0 EC000381
UNSPSC
UNSPSC 13.2 39121620
UNSPSC 18.0 39121620
UNSPSC 19.0 39121620
UNSPSC 20.0 39121620
UNSPSC 21.0 39121620
Approvals
Approvals
Approvals
GL / CCA / UL Recognized / KEMA-KEUR / cUL Recognized / IECEE CB Scheme / EAC / cULus Recognized
Ex Approvals
Approval details
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Approvals
GL https://approvalfinder.dnvgl.com/ 13946-15 HH
CCA NTR-NL 7726
UL Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 330181
KEMA-KEUR http://www.dekra-certification.com 71-106982
cUL Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 330181
IECEE CB Scheme http://www.iecee.org/ NL-56588
EAC RU C-
DE.A*30.B01561
cULus Recognized
Accessories
Accessories
Device marking
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Accessories
Label-EML (20XE)R-0803452
Label, Roll, white, unlabeled, can be labeled with: THERMOMARK ROLLMASTER 300/600, THERMOMARK X1.2,
THERMOMARK ROLL X1, THERMOMARK ROLL 2.0, THERMOMARK ROLL, mounting type: adhesive, lettering field
size: continuous x 20 mm
Label-EML (20XE)R YE-0803453
Label, Roll, yellow, unlabeled, can be labeled with: THERMOMARK ROLLMASTER 300/600, THERMOMARK X1.2,
THERMOMARK ROLL X1, THERMOMARK ROLL 2.0, THERMOMARK ROLL, mounting type: adhesive, lettering field
size: continuous x 20 mm
Zack marker strip-ZBN 18:UNBEDRUCKT-2809128
Zack marker strip, Strip, white, unlabeled, can be labeled with: CMS-P1-PLOTTER, PLOTMARK, mounting type: snap
into tall marker groove, for terminal block width: 18 mm, lettering field size: 18 x 5 mm, Number of individual labels: 5
Zack marker strip-ZBN 18:UNBEDRUCKT-2809128
Zack marker strip, Strip, white, unlabeled, can be labeled with: CMS-P1-PLOTTER, PLOTMARK, mounting type: snap
into tall marker groove, for terminal block width: 18 mm, lettering field size: 18 x 5 mm, Number of individual labels: 5
End block
End clamp-CLIPFIX 35-3022218
Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, width: 9.5 mm, color: gray
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Accessories
Labeled device marker
Marker for terminal blocks-ZBN 18,LGS:L1-N,ERDE-2749576
Marker for terminal blocks, Strip, white, labeled, Horizontal: L1, L2, L3, N, GND, mounting type: snap into tall marker
groove, for terminal block width: 18 mm, lettering field size: 18 x 5 mm, Number of individual labels: 5
Marker for terminal blocks-ZBN 18,LGS:ERDE-2749589
Marker for terminal blocks, Strip, white, labeled, Horizontal: Grounding symbol, mounting type: snap into tall marker
groove, for terminal block width: 18 mm, lettering field size: 18 x 5 mm, Number of individual labels: 5
Marker pen
Marker pen-X-PEN 0,35-0811228
Marker pen without ink cartridge, for manual labeling of markers, labeling extremely wipe-proof, line thickness 0.35 mm
Terminal marking
Flat zack marker sheet-ZBFM 5/WH:UNBEDRUCKT-0803595
Flat zack marker sheet, Sheet, white, unlabeled, can be labeled with: CMS-P1-PLOTTER, PLOTMARK, mounting type:
snap into flat marker groove, for terminal block width: 5.2 mm, lettering field size: 5 x 4.5 mm, Number of individual
labels: 120
Spare parts
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Accessories
Type 1 surge protection plug-FLT-SEC-P-T1-350/25-P-2905422
Replacement plug for lightning current arresters from the FLASHTRAB SEC PLUS 350 product range, for L-N and L-PEN
paths.
Type 1 surge protection plug-FLT-SEC-P-T1-N/PE-350/100-P-2905473
Replacement plug for lightning current arresters from the FLASHTRAB SEC product range, for the N-PE path.
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