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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 U_N	230/440 Vac/50(60)Hz
Maximum continuous operating voltage U_C	255 Vac/50(60)Hz
Continuous operating current I_C	<20 µA
Residual current I_PE	≤20 µA dc ≤500 µA ac
Standby power consumption P_C	≤25 mVA
Nominal discharge current (8/20μs)[L-N]/[N-PE] I_n	≥25/100 kA
Impuse discharge current (10/350μs) [L-N]/[N-PE] I_imp	≥25/100kA
Voltage protection level U_p	≤1.5 kV
Isolation resistance R_isol	＞1000 MΩ
Response time t_A	≤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