DVCI 1 255 FM, DVCI 1 255 FM 961 205, 961 205, 961205, thiết bị cắt lọc sét nguồn điện 1 pha, chống sét nguồn điện 1 pha

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DVCI 1 255 FM, DVCI 1 255 FM 961 205, 961 205, 961205, thiết bị cắt lọc sét nguồn điện 1 pha, chống sét nguồn điện 1 pha

DVCI 1 255 FM, DVCI 1 255 FM 961 205, 961 205, 961205, thiết bị cắt lọc sét nguồn điện 1 pha, chống sét nguồn điện 1 pha

 

Download tài liệu DVCI 1 255 FM

Download tài liệu hướng dẫn lắp đặt DVCI 1 255 FM

Download tài liệu thiết bị chống sét DEHN

 

  • Spark-gap based combined lightning current and surge arrester with integrated lightning current carrying backup fuse
  • Energy coordination with other arresters of the Red/Line product family
  • Low voltage protection level UP ≤ 1.5 kV (including backup fuse)
  • Maximum system availability due to RADAX Flow follow current limitation
  • Extinction of mains follow currents up to 100 kArms
  • High lightning current discharge capacity of 25 kA (10/350 µs)
  • Capable of protecting terminal equipment
  • Operating state / fault indication by green / red indicator flag in the inspection window

DEHNvenCI 255 FM combined arrester
Single-pole combined arrester with 
integrated backup fuse, width: 2 mod.
With remote signalling contact
Type 1 SPD according to EN 61643-11
RADAX Flow spark gap technology 
for follow current limitation
Capable of protecting terminal equipment
Fault indication and remote signalling for arrester and integrated fuse
Max. continuous operating voltage: 255 V a.c.
Voltage protection level: <= 1.5 kV
Lightning impulse current (10/350 µs): 25 kA
Follow current extinguishing capability:  up to 100 kArms
Energy-coordinated according to IEC 62305-4 with 
arresters of the Red/Line series and terminal equipment 
 
delivery and installation.
 
Brand: DEHN + SÖHNE
Type: DVCI 1 255 FM
Part No.: 961 205
 
or equivalent.
 

Type

DVCI 1 255 FM

Part No.

961 205

SPD according to EN 61643-11 / IEC 61643-11

type 1 / class I

Energy coordination with terminal equipment

type 1 + type 2

Energy coordination with terminal equipment (≤ 5 m)

type 1 + type 2 + type 3

Nominal voltage (a.c.) (UN)

230 V (50 / 60 Hz)

Maximum continuous operating voltage (a.c.) (UC)

255 V (50 / 60 Hz)

Lightning impulse current (10/350 µs) (Iimp)

25 kA

Specific energy (W/R)

156.25  kJ/ohms

Voltage protection level (UP)

≤ 1.5 kV

Follow current extinguishing capability (a.c.) (Ifi)

50 kArms

Follow current limitation / Selectivity

no tripping of a 20 A gG fuse up to 50 kArms (prosp.)

Response time (tA)

≤ 100 ns

Rated breaking capacity of the internal backup protection

100 kA

Temporary overvoltage (TOV) (UT) – Characteristic

440 V / 120 min. – withstand

Operating temperature range (TU)

-40 °C ... +80 °C

Operating state / fault indication

green / red

Number of ports

1

Cross-sectional area (L, N/PE(N)) (min.)

10 mm2 solid / flexible

Cross-sectional area (L, N/PE(N)) (max.)

50 mm2 stranded / 35 mm2 flexible

For mounting on

35 mm DIN rails acc. to EN 60715

Enclosure material

thermoplastic, red, UL 94 V-0

Place of installation

indoor installation

Degree of protection

IP 20

Capacity

2 module(s), DIN 43880

Approvals

KEMA

Type of remote signalling contact

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 terminals

max. 1.5 mm2 solid / flexible

Extended technical data:

For use in switchgear installations with prospective short-circuit currents of more than 50 kArms (tested by the German VDE)

– Max. prospective short-circuit current

100 kArms (220 kApeak)

– Limitation / Extinction of mains follow currents

up to 100 kArms (220 kApeak)

Supplementary data:

--------------------

– Nominal discharge current (8/20 µs) (In)

25 kA

Weight

435 g

GTIN

4013364145115

PU

1 pc(s)

Part No.

961 205

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