DV ZP TT 255, 900 391, DVZPTT255, 900391, chống sét nguồn điện 3 pha cấp 1, chống sét lan truyền, chống sét, chống sét nguồn điện, cắt lọc sét nguồn điện, tủ cắt lọc sét, DEHNventil, DEHNventil ZP TT, DEHNventil ZP TT 255, DEHNventil DV ZP TT 255
4-pole combined lightning current and surge arrester
for use in 230/400 V- TT and TN(C)-S systems
For use in areas upstream of supply meters
according to national regulations
(e.g. Germany: VDN guideline)
SPD Type 1 acc. to EN 61643-11 (IEC 61643-1/-11)
RADAX-Flow spark gap technology
for follow current limitation
Encapsulated, non-exhausting type
Snap-on device for direct mounting onto busbars
in the lower bus terminal compartment
of the meter panel without tools
Max. continuous
operating voltage: 255 V a.c.
Voltage protection level: <= 1.5 kV
Lightning impulse current
(10/350 µs): 100 kA
Follow current
extinguishing capability: 25 kArms
No tripping of 32 A gL/gG fuses up to up to 25 kArms
Energy-coordinated to SPDs Type 2 and 3
of the Red/Line family, as well as directly
with the terminal device
Requires no backup fuse in case of
existing service fuse up to 315 A gL/gG
Operating state control by button with LED indicator
delivery and installation.
Brand: DEHN + SÖHNE
Type: DV ZP TT 255
Part No.: 900391
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