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TUV certified 3 phase Iimp 25kA AC surge arrester

Item No: FV25B/3+NPE-xxx S

1. TUV approved Type 1+2, 25kA@10/350μs, 50kA@8/20μs 3 phase surge arrester.

2. With indication window and remote control contacts.

3. Unique designing, patent technology.

4. Used in the lightning protection zones concept at boundary LPZ0B-LPZ1.

5. The core parts are multilayer spark gap and metal oxide varistor with high discharge capacity.

6. Low residual voltage.

7. Protection mode: L1, L2, L3-N, N-PE


Product Description

1. Coding

2. Dimension of surge arrester
FV25B+C/3+NPE-255S



3.
Electrical parameters of surge arrester FV25B/3+NPE-255S

Model. No.

FV25B/3+NPE-255S

SPD protection conforms to IEC61643-11 / EN61643-11

Type 1+2

SPD installation type conforms to IEC61643-11 / EN61643-11

ClassI+II

Protection level conforms to DIN VDE0675-6

B+C

Type of Network

TT

Protectionmode

L-N , N-PE

Nominal Voltage UN

230/440 Vac/50(60)Hz

Maximum continuous operating voltage UC

255 Vac/50(60)Hz

Continuous operating current IC

<20 µA

Residual current IPE

20 µA dc

500 µA ac

Standby power consumption PC

25 mVA

Nominal discharge current (8/20μs)[L-N]/[N-PE] In

25/100 kA

Impuse discharge current (10/350μs) [L-N]/[N-PE] Iimp

25/100kA

Voltage protection level Up

1.5 kV

Isolation resistance Risol

1000 MΩ

Response time tA

≤100 ns

Follow up current extinguishing capability [L-N]/[N-PE]

25 kArms / 100 Arms

Let-Through-Energy in combination with an MOV S20K275 Iimp 0÷25kA(10/350μs)

151 Jouls

Temporary overvoltage (TOV)

440 Vac/120 min

Remote control contact

YES

Disconnection indicator

Mechanical indicator

(Green: OK, Red: Replace)

Minimum area of connecting cable

16 mm2

Maximum area of connecting cable

35 mm2

Installation location

Inside

Mounting type

35mm DIN rail acc. to EN 60715

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%


3.Installation of surge arrester FV25B/3+NPE-255S

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