DEHNventil M2 TNC FM

Part No. 954305 DV M2 TNC 255 FM

GTIN 4013364400900, Customs tariff No.: 85363090, Gross weight: 519.19 g, PU: 1.00 pc(s)

SPD according to EN 61643-11 / IEC 61643-11type 1 + type 2 + type 3 / class I + class II + class III
Nominal voltage (a.c.) (UN )230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) (UC )255 V (50 / 60 Hz)
Lightning impulse current (10/350 µs) [L1+L2+L3+N-PE] (Itotal )100 kA
Specific energy [L1+L2+L3+N-PE] (W/R)2.50 MJ/ohms
Lightning impulse current (10/350 µs) [L, N-PE] (Iimp )25 kA
Specific energy [L,N-PE] (W/R)156.25 kJ/ohms
Nominal discharge current (8/20 µs) [L/N-PE]/[L1+L2+L3+N-PE] (In )25 / 100 kA
Voltage protection level [L-PE]/[N-PE] (UP )≤ 1.5 / ≤ 1.5 kV
Open-circuit voltage of the combination wave generator (UOC )6 kV
Follow current extinguishing capability (a.c.) (Ifi )50 kArms
Follow current limitation / SelectivityNo tripping of a 32 A gG fuse up to 50 kArms (prosp.)
Short-circuit current rating [L-N]/[N-PE] (ISCCR )50 kArms
Response time (tA )≤ 100 ns
Max. backup fuse (L) up to I= 50 kArms250 A gG
Temporary overvoltage (TOV) [L-N] (UT) – Characteristic440 V / 120 min. – withstand
Let-through energy with an S20K275 (Iimp = 2.5 to 25 kA)< 1 J
Operating temperature range [parallel] / [series] (TU )-40 °C … +80 °C / -40 °C … +60 °C
Operating state / fault indicationgreen / red
Number of ports1
Cross-sectional area (L1, L2, L3, N, PE, 9) (min.)6 mmsolid / flexible
Cross-sectional area (L1, L2, L3, N, PE, 9) (max.)35 mmstranded / 25 mmflexible
For mounting on35 mm DIN rails acc. to EN 60715
Place of installationindoor installation
Degree of protectionIP 20
Capacity4 module(s), DIN 43880
ApprovalsVDE, KEMA, UL
Type of remote signalling contactyes / changeover contact
Switching capacity (a.c.)250 V / 0.5 A
Switching capacity (d.c.)250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminalsmax. 1.5 mmsolid / flexible
For use in switchgear installations with prospective short-circuit currents of more than 50 kArms (tested by the German VDE)———————————
– Max. prospective short-circuit current100 kArms (220 kApeak)
– Limitation / Extinction of mains follow currentsup to 100 kArms (220 kApeak)
– Max. backup fuse (L) up to IK = 100 kArms250 A gG
Use for 16.7 Hz traction power supply systems
– Test voltage AC (UC )266 V
– Nominal voltage (a.c.) (UN )230 / 400 V
– Nominal frequency (a.c.) (fN )16.7 Hz
– Max. backup fuse160 A gG @ 16,7 Hz

Modular combined arrester DEHNventil M2 TNC 255 FM
Three-pole, modular, pluggable combined arrester for
230/400 V- TN-C systems, 4-module width
with remote signalling contact
Type 1 + type 2 + type 3 arrester as per EN 61643-11
RAC spark gap technology
for follow current limitation
Max. continuous operating voltage: 255 V AC
Protection level: <= 1.5 kV
Lightning impulse current (10/350): 75 kA
Follow current extinguishing capability up to 100 kArms.
Energy coordination as per IEC 61643-12:2008
Arresters of the Red/Line series, and direct to terminal equipment

Brand: DEHN
Type: DV M2 TNC 255 FM
Part No.: 954305
or equivalent.

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