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3-pole combined lightning current and surge arrester
for use in 230/400 V- TN-C systems
For use in areas upstream of supply meters
according to national regulations
(e.g. Germany: VDN guideline)
SPD Type 1 according 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): 75 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 TNC 255
Part No.: 900390
or equivalent.
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