21/11/2024
The evolution of control cabinets goes hand in hand with electricity generation. HellermannTyton cable sleeves, markers, labels, ducts and conduits have been at home here since the 1930s.

All control panels or switch cabinets have one thing in common: they house the electrical and electronic components of machinery not located directly in the machine itself or, in the case of plants and buildings, they centrally group controls and circuit breakers. In the simplest case, an electrical panel contains terminals that clearly arrange electrical connection of various components of an installation.

Providing products and tools for the systematic marking and identification of wires and terminals in control cabinets and wiring harnesses dates back to the origins of HellermannTyton as a company. But what exactly are the origins of the control cabinet?

From power to wiring system

Ever since Nikola Tesla harnessed the production of alternating electric current with his patented electro magnetic motor in the late 1880s, electrically powered machinery and equipment have required controls and switches.
Driven by the necessity to protect electrical controls and circuit breakers from the environment and to prevent shock hazards, electrical components were mounted in cabinets. But in the beginning, electrical engineers largely followed their own individual requirements.

Many technological advancements associated with the use of electric power ocurred in the 1930s. And indeed, the origins of HellermannTyton as an innovator can be found here.

HellermannTyton control cabinet  products history
During the Second World War, aircraft electrical engineers learned to appreciate the Hellermann binding system to apply marker sleeves to wiring harnesses.

Innovations drive electrical cabinet construction in the post-war period

In the post-war world, the rapid development of synthetic thermoplastic materials and their industrialisation paved the way for a host of cable management accessories still found today in electrical cabinet construction: conduits, cable ties and wire markers.

But it wasn’t until the early 1970s that control cabinet construction and wiring was formally systematised in a patent application by German entrepreneur Fredrich Lütze (1923-2014). Lütze’s LSC system for control cabinet wiring laid a foundation from which switch cabinet manufacturers could plan and construct repeatable wiring layouts using mounting rails and conduits with walls and lids.

Patent from Friedrich Lütze
Source: German patent DE2042942C3 Kit system for creating control panels and the like 05.09.1974

Thanks to Friedrich Lütze!

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