CHỐNG SÉT LAN TRUYỀN CHO NGUỒN AC, CẤP I+II, 3 PHA, 50KA

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

Technical data

MBC.I25K.ds-4/0

Test class according to IEC 61643-11

CLASS I+II

Nominal voltage

U_N

230/400 V AC

Max. continuous operating voltage

U_C

275 V AC

Max. discharge current (8/20)

I_max

50 kA

Lightning impulse current (10/350)

I_imp

25 kA

- charge

Q

12.5 As

- specific energy

W/R

156 kJ/Ω

Total lightning current (10/350) L1+L2+L3+N→PE

I_total

100 kA

Nominal discharge current (8/20)

I_n

25 kA

Voltage protection level at I_imp

U_P

< 1.2 kV

Temporary overvoltage (TOV)

U_T

335 V/5 s

Response time L/N

t_A

< 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

I_P

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)

3

FBSPD1-250A-1P (Fuse Base)

1

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

3

FBSPD00-125A-1P (Fuse Base)

1