Class B Line To Neutral Lightning Arrester

Class B Line To Neutral Lightning Arrester

Product Details:


Product Description

Lightning Current Arresters



SPD type 1 – lightning current arrester Encapsulated high-performance spark gap with replaceable module, visual fault signaling To be installed in low-voltage distributions at the boundary of LPZ 0A and LPZ 1 zones to prevent overvoltage effects induced during direct or indirect lightning strikes in the most demanding applications in the heavy and chemicals industry, power stations, etc.Remote status signaling (S)..

Technical data


Nominal voltage Un

230 V AC

Maximum operating voltage Uc

255 V AC

Nominal discharge current (8/20 μs) In

50 kA

Lightning impulse current (10/350 μs) Iimp

50 kA

Voltage protection level Up

<2,5 kV

Response time ta

100 ns

Ability to independently switch off the following current Ifi

50 kA

Nominal short circuit current ISCCR

50 kArms

Maximum overcurrent protection

315 A gL/gG

Maximum overcurrent protection for serial connection

125 A gL/gG

TOV voltage UT

335 V/5 sec.

Degree of protection

IP 20

Range of operating temperatures

– 40 °C … + 80 °C

Mounting on

DIN rail 35 mm

Cross-section of connected conductors

Solid min/max

Stranded min/max


ISO: 2,5/50 mm2 ; AWG: 13/1

ISO: 2,5/35 mm2 ; AWG: 13/2

Visual fault indication

red indication field

Remote indication – S design

potential-free change-over contact

Remote indication contacts

250 V / 0,5 A AC, 250 V / 0,1 A DC

Cross-section of remote indication conductors

max. 1,5 mm2

Meets the requirements of standard

EN 61643-11:2012T1

Ordering number   FLP-SG50 V

                               FLP-SG50 VS





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