CHỐNG SÉT LAN TRUYỀN CHO NGUỒN AC, CẤP I+II, 1 PHA

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CHỐNG SÉT LAN TRUYỀN CHO NGUỒN AC, CẤP I+II, 1 PHA
Nhãn hiệu: Kumwell
Giá:
Liên hệ

Mã hàng: MBC.I25K.ds-2/0

Xuất xứ: Thái Lan

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Kumwell MBC.I25K.ds-2/0 is a metal oxide varistor lightning and surge arrester class I+II according to IEC 61643-11. These are recommended for use in the Lightning Protection Zones Concept at the boundaries of LPZ 0–1 (according to IEC 62305), where they provide the equipotential bonding and discharge of both, the lightning current and the switching surge, which are generated in power supply systems entering the building.
The use of the lightning current arresters MBC.I25K.ds-2/0 is mainly in the power
supply lines. The main use of MBC.I25K.ds-2/0 arrester is in structures of LPL I – II
according to EN 62305 ed.2. Double terminals of the device allow the “V” connection at the maximum current-carrying capacity of 125A.

Varistor/ Class I+II / Single-Phase for TN-S System

Technical data

MBC.I25K.ds-2/0

Test class according to IEC 61643-11

 

CLASS I+II

Nominal voltage

UN

230 V AC

Max. continuous operating voltage

UC

275 V AC

Max. discharge current (8/20)

Imax

50 kA

Lightning impulse current (10/350)

Iimp

25 kA

- charge

Q

12.5 As

- specific energy

W/R

156 kJ/Ω

Total lightning current (10/350) L1+N→PE

Itotal

50 kA

Nominal discharge current (8/20)

In

25 kA

Voltage protection level at Iimp

UP

< 1.2 kV

Temporary overvoltage (TOV)

UT

335 V/5 s

Response time

tA

< 25 ns

Max. back-up fuse (Branch wiring)

 

250 A gL/gG

Max. back-up fuse (“V” connection )

 

125 A gL/gG

Short-circuit withstand capability

IP

80 kArms

LPZ

 

0-1

Protection type

 

IP20

Operating temperature range

ϑ

-40°C to + 80°C

Cross-section of the connected conductors (solid)

 

16 mm2(min.) - 35 mm2(max.)

Cross-section of the connected conductors (wire)

 

16 mm2(min.) - 25 mm2(max.)

Mounting on

 

DIN rail 35 mm

Failure signalisation

 

pushed in - ok / pushed out - failure

Accessories

Pcs.

 

FSPD1-250A (HRC Fuse) (Branch wiring)

1

 

 

 

FBSPD1-250A-1P (Fuse Base)

1

 

 

 

FSPD00-125A (HRC Fuse) (“V” connection )

1

 

 

 

FBSPD00-125A-1P (Fuse Base)

1

 

 

 

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