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1984:
The world’s first lightning
current arrester, DEHN-
®
ventil VGA 280, enters
the market. DEHNventil
becomes a synonym
worldwide for a new
series of arresters. 1993-1998:
Restructuring and reorganisation in Neumarkt based
on a ground-breaking master plan.
1964: 1976: 1986: 1998: 2003:
ExFS spark gaps for VA280 is the The world’s first arrester with DEHN launches the PHE III The patented HVI ®
use in hazardous world’s first DIN a modular width of 17.5 mm, voltage detector with visual Conductor stands as
areas are developed rail mounted surge VM 280, is a ground-breaking and acoustic indication. milestone in external
and patented. arrester. innovation in the field of lightning protection.
surge protection.

1960 1970 1980 1990 2000

1966: 1981: 1996: 2001:
The JA250 surge Thomas Dehn (centre), The energy-coordi- The new complete device
®
arrester for indoor Hannes Dehn (right) nated Yellow/line DEHNventil is ideally
use is presented to and Dr. Peter Hasse series including the suited for all system
the market. (left) take over as key product BLITZ- configurations.
managing directors. DUCTOR CT protects
®
data and automation
systems.
2006:
The new appli-
cation-optimised
design for the
Red/Line and
®
Yellow/Line series
is introduced to
the market.
1960:
Walter, Richard and 1979: 1993:
Willy Dehn, the com- 1977: BLITZDUCTOR is the The energy-coordinated Red/
®
pany founder’s sons, DEHN starts man- world’s first surge arrester Line product series including
®
successfully lead the ufacturing PHE for protecting measuring the DEHNport and DEHNgu-
®
company though the and PHG voltage and control equipment ard arresters is presented to
®
post-war period. detectors. and data systems. the market.
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