ELECTRONICS
WÜRTH ELEKTRONIK
Electronics solutions for
sugar beet harvesting
WÜRTH ELEKTRONIK HAS DEVELOPED A CENTRAL ELECTRICAL
UNIT THAT SETS NEW STANDARDS FOR THE MOST MODERN BEET
CLEANER LOADER IN THE WORLD
sugar beet harvesters and with its various
representative offices, the company is represented
worldwide in all sugar beet growing regions.
Würth Elektronik ICS developed a central
electrical unit that sets new standards in terms of
function and clarity for the Terra Felis 3, the most
modern beet cleaner loader in the world.
Holmer’s requirements for the power
distribution solution in the Terra Felis 3 were
clearly centered around the customer. The
solution needed to be pragmatic and long-lasting,
offer modern, yet simple options for (error)
diagnostics, and be as lightweight and compact as
possible. The central electrical unit developed by
86
Holmer Maschinenbau GmbH is a worldleader
in the development of self-propelled
iVT International Off-Highway 2020
Würth Elektronik ICS fulfilled these
requirements, replacing the two considerably
large, hand-wired switch cabinets that had
previously been in use. Completely new reserves
in terms of the minimal installation space and
more flexibility for future adaptation and
expansion options also resulted due to the
space saved. Würth has already successfully
implemented several power distribution and
control solutions for Holmer vehicles in recent
years. Therefore, it was commissioned with
developing a central electrical unit for the
Terra Felis 3.
The first ideas for their fifth joint project were
routinely exchanged by phone and, as in previous
years, the project started with a kick-off meeting
at Holmer’s offices in Schierling, Germany.
Siegfried Hort, responsible for machine
electronics at Holmer, presented the planned
machine electronics concept, including the
circuit diagram, and additionally explained the
mechanical details and installation requirements
of the machine. The concept including technical
specifications and quotation were developed for
the new central electrical unit based on the
machine circuit diagram in only four weeks.
As an experienced development partner in the
field of mobile machines and commercial
vehicles, Würth designed a solution that meets
the typical requirements in this area such as
shock, vibration, temperature, and current
carrying capacity and maps the complex