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3 phase Iimp 25kA surge arrester

Item No: FV25B+C/3+NPE-xxx S

ØType 1+2,25kA@10/350μs3 phase lightning arrester.

ØWith indication window and remote control contacts.

ØUnique designing, patent technology.

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

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

ØLow residual voltage.

ØTOV immunity.

ØProtection mode: L1, L2, L3-N, N-PE

Product Description

1. Dimension of surge arrester FV25B+C/3+NPE-xxxS

2.Electrical parameters of surge arrester FV25B+C/3+NPE-xxxS

Model No.		FV25B+C/ 3+NPE-150S	FV25B+C/ 3+NPE-255S	FV25B+C/ 3+NPE-275S	FV25B+C/ 3+NPE-320S	FV25B+C/ 3+NPE-440S
Test class according to IEC61643-11:2011	I, II
Type of Network	TT-TN
Nominal voltage	U_N	110/220V	220/380V
Rated Voltage (Max. Cont. Operating Voltage)	U_c	150VAC	255VAC	275VAC	320VAC	440VAC
Total impulse current(10/350μs)	Itotal	100kA	100kA	100kA	100kA	100kA
Impulse current (10/350μs)	Iimp	25kA	25kA	25kA	25kA	25kA
Max. discharge current(8/20μs)	Imax	120kA	120kA	120kA	120kA	120kA
Nominal discharge current (8/20μs)	In	25kA	25kA	25kA	25kA	25kA
Voltage protective level at 25kA	U_p	≤1.8kV	≤1.8kV	≤1.8kV	≤2.0kV	≤2.0kV
Isolation resistance	R_isol	>10²MΩ	>10²MΩ	>10²MΩ	>10²MΩ	>10²MΩ
Response time	t_A	≤100ns	≤100ns	≤100ns	≤100ns	≤100ns
Protection mode	L1, L2, L3-N, N-PE
Recommended back-up fuse	315A
I/O Connections	By screw terminal:10-35mm²
I/O Connections	By connection bus
Mounting	Symmetrical rail (EN50022/DIN46277-3)
Operation temperature range / RH	-25℃~+85℃/95%
Degree of protection	IP20
Encapsulated	Encapsulated
Housing material	UL94V0
Disconnection indicator	Mechanical indicator (Green: OK, Red: replace)
Remote control contact	Optional
Color	gray