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TUV approved Class B+C Iimp 25kA 3 Phase Surge Arrester

TUV approved AC Surge arrester for low-voltage distribution system

Model No.: FV25B/3+NPE-255 S


• Class I+II / Type 1+2 surge arrester.

• For using in the lightning protection zones concept at boundary 0-1.

• The core parts are metal oxide vristor components with high discharge capacity.

• Reliable control thanks to Thermo Dynamic Control disconnector.

• With remote signaling contact for control device.

• Fault indication via red mark in the inspection window.

• Protection mode --- L1,L2,L3-N,N-PE


1.Coding



2. Dimension & Circuit                                                                           


4. Electrical parameters

Model. No.

FV25B/3+NPE-150S

SPD protection conforms to IEC 61643-11 / EN 61643-11

Type 1+2

SPD installation type conforms to IEC 61643-11 / EN 61643-11

Class I+II

Protection level conforms to DIN VDE0675-6

B

Type of Network

TT

Protection mode

L→N ; N→PE

Nominal Voltage   UN

220/380 Vac/50(60)Hz

Maximum continuous operating voltage    UC

275 Vac/50(60)Hz

Short-circuit withstand capability   Isccr

25 kA

Continuous operating current   IC

<20 µA

Rated load current   IL

315 A

Residual current   IPE

≤20 µA dc

≤500 µA ac

Standby power consumption   PC

≤25 mVA

follow current extinguish capability   Ifi

L - N

≥25 kArms

N - PE

≥100 Arms.

Nominal discharge current (8/20μs)   In

L - N

≥25 kA

N - PE

≥100 kA

Impuse discharge current (10/350μs)   Iimp

L - N

≥25 kA

N - PE

≥100 kA

Voltage protection level   Up

≤1.5 kV

Isolation resistance   Risol

＞1000 MΩ

Response time   tA

≤100 ns

The remaining power is passed after the device works (ensure CO-Ordination feature directly with MOV element S20K275), according to CLC/TS-12:2009 Annex J with pulse current Iimp 25kA (10/350us)

<151 J

Temporary overpressure   UTOV

≥ 440 V (± 1%) / 120 min.  

Remote control contact

YES

Disconnection indicator

Mechanical indicator

(Green: OK, Red: Replace)

I/O Connections

By screw terminal:10-35mm2

By connection bus

Installation location

Inside

Mounting type

Symmetrical rail (EN50022/DIN46277-3)

Color

Gray

Degree of protection

IP20

Housing material

UL94V-0

Ambient temperature

-40°C ~+80°C

Altitude

≤2000 m (amsl (above mean sea level))

Permissible humidity

30%~90%


5. Installation


   Fatech Specification FV25B 3 NPE 255S SUN客户专月用 FL36S 20240418.pdf





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TUV approved Class B+C Iimp 25kA 3 Phase Surge Arrester
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TUV approved Class B+C Iimp 25kA 3 Phase Surge Arrester

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We are professional manufacturer on R&D, production of surge protection products, including TUV certified AC SPDs according to IEC61643-11:2011, DC SPDs for PV system according to IEC61643-31, SPDs for PoE, surge counters and surge protection products test devices.

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 Tel: +86-757-86718031

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