• Surge arrester for single-phase system TT, 40 kA (8/20 µs)

Pluggable module, visual fault signalling, module locking.

  • Combination of varistor surge arrester and encapsulated spark gap, connected in the 1+1 mode.
  • Installation to LV installations, especially to sub-distribution boards in TT and also TN-S systems.
  • For protection of the installations and equipments against impact of induced overvoltages during a lightning strike or switching overvoltages.


Specifications:


Parameter name

Parameter value

Type of SPD

T2

Mounting

DIN rail 35 mm

Nominal voltage

Un

230 V AC

Maximum operating voltage L-N

Uc

275.00 V AC

Maximum operating voltage N-PE

Uc

255.00 V AC

Type of network

TT

Maximum overcurrent protection

160 A gL/gG

Short-circuit current rating

ISCCR

50.0 kA

Nominal discharge current (8/20 µs) L-N

In

20.00 kA

Nominal discharge current (8/20 µs) N-PE

In

20.00 kA

Maximum discharge current (8/20 µs) L-N

Imax

40.00 kA

Maximum discharge current (8/20 µs) N-PE

Imax

40.00 kA

Voltage protection level mode L-N

Up

1.35 kV

Voltage protection level mode L-PE

Up

1.50 kV

Voltage protection level mode N-PE

Up

1.50 kV

Voltage protection level at 5 kA L-N

Up

0.90 kV

Ability to independently switch off the following current N-PE

Ifi

0.1 kA

Response time L-N

ta

25 ns

Response time N-PE

ta

100 ns

TOV 5 s L-N

335 V

TOV characteristic (TOV 5 s)

withstand

TOV 120 min L-N

440 V

TOV characteristic (120 min)

safe failure

TOV 200 ms L-PE

1 455 V

TOV 200 ms N-PE

1 200 V

TOV characteristic (TOV 200 ms)

withstand

Cross-section of connected conductors solid (min)

1.00 mm2

Cross-section of connected conductors solid (max)

35.00 mm2

Cross-section of connected conductors stranded (min)

1.00 mm2

Cross-section of connected conductors stranded (max)

25.00 mm2

Fault indication L-N

red indication field

Fault indication N-PE

no

Degree of protection

IP 20

Range of ambient temperatures (min/max)

-40 / 80 °C

Humidity

5 - 95 %

According to standard

EN 61643-11:2012, IEC 61643-11:2011

ETIM Class

EC000941

Plug module

SLP-275 V/0|SLP-NPE V/0

Customs tariff number

85363030

EAN

8595090519485


Dimensions:









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Surge arrester for single-phase system TT, 40 kA (8/20 µs)

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