CHỐNG SÉT LAN TRUYỀN CHO NGUỒN AC (KZ12.*.DS-3/0)

Varistor/ Class II / Three-Phase for TN-C System

Technical data

KZ12.U0275.ds-3/0

KZ12.U0320.ds-3/0

KZ12.U0385.ds-3/0

KZ12.U0440.ds-3/0

Test class according to IEC 61643-11

CLASS II

Nominal voltage

U_N

230/400 V AC

Max. continuous operating voltage (L/N)

U_C

275 V AC

320 V AC

385 V AC

440 V AC

Max. discharge current (8/20)

I_max

50 kA

50 kA

40 kA

40 kA

Nominal discharge current (8/20)

I_n

20 kA

20 kA

15 kA

15 kA

Voltage protection level

U_P

< 1.3 kV

< 1.45 kV

< 1.65 kV

< 2.15 kV

Temporary overvoltage (TOV)

U_T

335 V/5 s

410 V/5 s

465 V/5 s

530 V/5 s

Response time

t_A

< 25 ns

Max. back-up fuse

160 A gL/gG

Short-circuit withstand capability

I_P

60 kA_rms

LPZ

1-2

Protection type

IP20

Operating temperature range

ϑ

-40°C to + 80°C

Cross-section of the connected conductors (solid)

6 mm²(min.) - 25 mm²(max.)

Cross-section of the connected conductors (wire)

6 mm²(min.) - 16 mm²(max.)

Mounting on

DIN rail 35 mm

Failure signalisation

green - ok / red - failure

Accessories

Pcs.

FSPD00-160A (HRC Fuse)

3

FBSPD00-160A-3P (Fuse Base)

1