CHỐNG SÉT LAN TRUYỀN CHO NGUỒN AC, CẤP 1+2, 3 PHA (TN-S VÀ TT)

Varistor/ Class I+II / Three-Phase for TN-S and TT System
Technical data

MBC.I25K.ds-3/1

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) L/N

I_imp

25 kA

- charge

Q

12.5 As

- specific energy

W/R

156 kJ/Ω

Lightning impulse current (10/350) N/PE

I_imp

100 kA

- charge

Q

50 As

- specific energy

W/R

2500 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) L/N

U_T

335 V/5 s

Temporary overvoltage (TOV) N/PE

U_T

1200 V/0.2 s

Response time L/N

t_A

< 25 ns

Response time N/PE

t_A

< 100 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 kA_rms

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-3P (Fuse Base)

1

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

3

FBSPD00-125A-1P (Fuse Base)

1