Chống sét lan truyền cho nguồn AC cấp II, 1 pha, 50kA

Kumwell KZ12.*.ds -1/1 surge arrester Class II according to IEC 61643-11. Complete device consists of a base part and pluggable module. These arresters are recommended for use in the Lightning Protection Zones Cen-cept at the boundaries of LPZ 1-2 (according to IEC 62305).

The main use of KZ12.*.ds-1/1 arrester is in all kinds of industry, residential and administration buildings. They are to be placed into the secondary switchboards or into the control box.

These arresters are combine with KZ12.I020.NPE which is recommended to install between N and PE for TN-S and TT system.

Single-Phase for TN-S and TT System
Technical Data		KZ0112.UN230.ds-3/1	KZ0112.UN230.ds-3/2	KZ0112.UN230.ds-3/3	KZ0112.UN230.ds-3/4
Max. continuous operating voltage	UN	275 V AC	320 V AC	385 V AC	440 V AC
Max. discharge current (8/20µs)  (L-N)	Imax	50 kA	50 kA	40 kA	40 kA
Nominal discharge current (8/20µs) (L-N)	In	20 kA	20 kA	15 kA	15 kA
Nominal discharge current (8/20µs)  (N-PE)	In		20 kA
Lightning impulse current (10/350µs) (N-PE)	Iimp		20 kA
Voltage protection level at In (L-N)	UP	< 1.3 kV	< 1.45 kV	< 1.65 kV	< 2.15 kV
Voltage protection level at Iimp (N-PE)	UP		< 1.3 kV
Temporary overvoltage (TOV) (L-N)	UT	355 V / 5sec	410 V / 5sec	465 V / 5sec	530 V / 5sec
Temporary overvoltage (TOV) (N-PE)	UT		1200 V / 0.2sec
Response time (L-N)	tA		< 25 ns
Response time (N-PE)	tA		< 100 ns
Max. back up fuse			160 A gL/gG
Short-circuit withstand capability	Ip		60 kArms
LPZ			1-2
Protection type			IP20
Operating temperature range			-40°C to + 80°C
Mounting on			Din rail 35 mm
Failure indication			green (ok) / red (failure)