SLS-B+C50

Surge arrester

 

  • Combined type 1 and 2 arrester (class B+C), suitable for the protection of low voltage lines against lightning strikes and transient surges up to 25 kA (10/350) in TT (TNS) networks.

  • Recommended for industrial installations or buildings with risk of partial occurrence of lightning currents, surges induced by lightning strikes or switching surges.

SLS-B+C50/1+1

Lightning and transient surge arrester for single-phase 230 V lines (F+N).

Combined type 1 and 2 arrester (class B+C), suitable for the protection of low voltage lines against lightning strikes and transient surges up to 25 kA (10/350) in TT (TNS) networks.

Recommended for industrial installations or buildings with risk of partial lightning currents, surges induced by lightning strikes or switching surges.

Parameters L-N NPE
Nominal voltage Un 230 V AC
Maximum operating voltage Uc 260 V AC 255 V AC
Peak lightning current (10/350µs) Iimp 12,5 kA 25 kA
Nominal discharge current (8/20µs) In 30 kA 30 kA
Maximum discharge current (8/20µs) Imax 60 kA 60 kA
Protection level Up <1’2 kV <1’5 kV
Maximum backup fuse 160 A gL/gG
Response time tA 25 ns 100 ns
Min-max cross-section, solid conductor 1-35 mm2
Min-max cross-section, stranded conductor 1-25 mm2
Local fault indicator yes no
Mounting 35mm DIN rail
Description Reference Number of phases Protection degree Operating temperature range
SLS-B+C50/1+1 370241 F+N IP20 from -40 ºC to 80 ºC
SLS-B+C50/220V 370247 IP20 from -40 ºC to 80 ºC

A (mm) B (mm) C (mm) D (mm) E (mm) Weight (g)
36 82 72 45 48 240
45 48 95

SLS-B+C50/3+1

Lightning and transient surge arresters for three-phase lines (3F+N) 230/400 V.

Combined type 1 and 2 arrester (class B+C), suitable for the protection of low voltage lines against lightning strikes and transient surges up to 50 kA (10/350) in TT (TNS) networks.

Recommended for industrial installations or buildings with risk of partial occurrence of lightning currents, surges induced by lightning strikes or switching surges.

Parameters L-N NPE
Nominal voltage Un 230 V AC
Maximum operating voltage Uc 260 V AC 255 V AC
Peak lightning current (10/350µs) Iimp 12,5 kA 50 kA
Nominal discharge current (8/20µs) In 30 kA 50 kA
Maximum discharge current (8/20µs) Imax 60 kA 100 kA
Protection level Up <1,2 kV <1,5 kV
Maximum backup fuse 160 A gL/gG
Response time tA 25 ns 100 ns
Min-max cross-section, solid conductor 1-35 mm2
Min-max cross-section, stranded conductor 1-25 mm2
Local fault indicator yes no
Mounting 35mm DIN rail
Description Reference Number of phases Protection degree Operating temperature range
SLS-B+C50/3+1 370242 3F+N IP20 from -40 ºC to 80 ºC
SLS-B+C50/220V 370247 IP20 from -40 ºC to 80 ºC

A (mm) B (mm) C (mm) D (mm) E (mm) Weight (g)
72 82 72 45 48 460
45 48 95

Standards | Tests | Certifications

lEC 61.643-11:2011

UNE 21.186:2011

EN 61.643-11 :2012

NFC 17-102:2011

UNE 61.643-11 :2013

UNE EN 60.664-1:2008

lEC 62.305-1, 2, 3 y 4

RBT