Klöckner Moeller
Kloeckner Moeller

1899 Franz Klöckner founds a switchgear production company in Cologne, Germany. The newly-founded company makes hand starters with a new safety function for use in DC machines.
1910s Hein Moeller joins the firm in 1911, as the chief engineer and sole director. Hein Moeller succeeds in a pioneering technical innovation, developing the first three-phase oil contactor.
1920s Greater customer proximity is achieved by decentralizing the sales organization. Assembly-line production is introduced at the Moeller works.
  • Improvement of oil-immersed contactors via new materials.
  • Motor-protective circuit-breakers and bimetal relays are added to the product range.
1930s Kloeckner Moeller Contactor relays are mass produced at six factories. Production of the first switchgear devices with a service life comparable to that of the machines in which they are deployed.
1940s Moeller starts to deliver switchgear to electrical wholesalers and undergoes a change in name to Klöckner-Moeller. Moeller begins to use Andorit (a transparent plastic) as an insulating material in power distribution board housings.
1950s The company expands to 1,500 employees and generates sales of 30 million. It sets up its first foreign sales company in Belgium. By now Moeller is represented by distribution partners in 42 countries of the world. In Austria, Prof. Dr. Ing. Biegelmeyer develops the residual-current circuit-breaker. Product innovations:
  • FAK foot and palm switches
  • Four-pole contactors
  • PKZ motor-protective circuit-breakers
  • Compact circuit-breakers
  • First fully insulation-enclosed power distribution system
  • Residual-current circuit-breakers
1960s Kloeckner Moeller generates sales of 100 million with a workforce of 2,800 employees, and sets up sales subsidiaries in Switzerland and South Africa.
  • The German Chancellor inaugurates the country's first color broadcast by actuating an FAK foot and palm switch made by Moeller.
  • The RMQ range of control devices devices is launched on the market.
1970s The company now has 5,000 employees and establishes sales companies in Luxembourg, the Netherlands, Brazil, Japan, Australia and Zaire. Works are built in England, France and the USA.  
1980s For the first time Kloeckner Moeller generates sales in excess of  1 billion, with the help of 7,000 employees in 75 countries. The companies that make up the Moeller Group are united into Moeller Holding Gmbh & Co. KG, and new sales subsidiaries are set up in Spain, Austria and Denmark. Moeller becomes one of the first suppliers of compact programmable logic controllers (PLCs), with the PS3 PLC being launched on the market to great success.
1990s The company has 7,200 employees to its name and  sales of 1.5 billion. Distribution centers are set up in former East Germany, and new subsidiaries are founded in Hungary, Poland and Italy. The Kloeckner Moeller Test Laboratory in Bonn is the first German laboratory to be accredited for industrial low-voltage devices and systems, and the Kloeckner Moeller Distribution Centre is taken into operation in Meckenheim, near Bonn. Product innovations:
  • MODAN 6000 and 2000 power distribution and motor control systems
  • Fuzzy PLCs
  • ARCON internal arc protection system
1998 Kloeckner Moeller acquires Felten & Guilleaume AG, Cologne, a manufacturer of electrical installation devices, cables and medium-voltage systems, and lays the foundation stone for a fully-owned factory in Suzhou, China. The company posts sales of  1.25 billion with 7,200 employees. Product innovations:
  • easy control relays
  • ZEV electronic motor protection relays 



1999 The company celebrates on hundred years and undergoes a change in name from Klöckner-Moeller to Moeller.  
2000 – 2003 The economic downturn all over the world and growing competition on global markets starts to impede the company's development, which is further hampered by the owner's efforts to sell. Despite these difficulties, Moeller continues to invest in forward-looking production technology and the development of new product series. Product innovations:
  • RMQ-Titan command and signaling devices
  • easy 600/800 Control relays
  • NZM 1-4/IZM circuit-breakers
  • Rapid Link decentralized motor control system
  • MFD-Titan multi-function relays
  • LS-Titan position switches
  • XC 100/600 control system
  • Xpole service installation switching devices
  • Xcomfort building automation system
 12/09/03 A group of investors advised by Advent International Cooperation, Boston, USA, acquires 100 percent of the Moeller Group. The capital structure of the company is improved and the management's restructuring plan is implemented.  
2004 A presentation on the company's business development is given at the annual press conference on September 27 in Bonn. Moeller has succeeded in achieving the turnaround and is again operating at a profit in its core business areas. The Group focuses on its core competencies to an unprecedented extent and continues to consolidate its presence in global growth markets, especially in Eastern Europe and Asia. By the end of 2005, the Moeller Group will have virtually completely renewed its product portfolio in its core business areas Product innovations:
  • xStart contactor and motor-protective circuit-breaker system
  • xEnergy switchgear system
  • Xboard consumer units
  • Xpatch data network technology
  • XC 200 control system
  • XV 400 HMI PLCs

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