MCD 50-B 3+1, 5096 87 9, 5096879, chống sét lan truyền, chống sét, cắt lọc sét nguồn điện 3 pha, tủ cắt lọc sét 3 pha

MCD 50-B 3+1, 5096 87 9, 5096879, chống sét lan truyền, chống sét, cắt lọc sét nguồn điện 3 pha, tủ cắt lọc sét 3 pha

MCD 50-B 3+1, 5096 87 9, 5096879, chống sét lan truyền, chống sét, cắt lọc sét nguồn điện 3 pha, tủ cắt lọc sét 3 pha

Combination arrester, 4-pole, for use in TN-S and TT networks.

Completely pre-terminated and ready for connection, consisting of:MCD 50-B: Coordinated lightning current arrester, type 1 (Class B) to EN 61643-11 andMCD 125-B/NPE: Coordinated N-PE spark gap, type 1 (Class B) to EN 61643-11 for use inTN- and TT systems. Interface 0 to 1 according to lightning protection zone concept accordingto IEC 61312-1 and VDE 0185-305 (IEC 62305).

• Arresting capacity 50 kA (10/350 μs) per pole (L-N)

• Arresting capacity 125 kA (10/350 μs) per pole (N-PE)

• Conforms to VDN Directive 2nd Edition 2004• Protection level < 1.3 kV

• Line follow current quenching 25 kA Ipeak

• lncl. plug caps for identifying the connections

• Encapsulated, non-extinguishing spark gapApplication: Lightning protection equipotential bonding in buildings with external lightning protectionof Class I to IV and in standard distributor housings.

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MCD 50-B 3+1

Article number

 

 

5096 87 9

Nominal voltage

N

V

75

SPD to EN 61643-11

 

 

Type 1

SPD to IEC 61643-11

 

 

Class 1

Lightning protection Zone LPZ

 

 

0→2

Impulse discharge current (10/350)

imp

kA

50

Total discharge current (10/350)

Total 10/350

kA

125

Nominal discharge current (8/20)

n

kA

50

Arrestor surge current (8/20) [total]

Total 8/20

kA

125

Voltage protection level

Up

kV

1,3

Response time

tA

ns

<100

Follow current interrupt rating

fi

kA

25

Maximum back-up fuse

 

A

500

Temperature range

ϑ

°C

-40 - +85

Division unit TE (17.5 mm)

 

 

8

Connection cross-section, rigid

 

mm²

10 - 50

Connection cross-section, multi-wire

 

mm²

10 - 35

Connection cross-section, flexible

 

mm²

10 - 25

 

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