HANNOVER MESSE 2018, 23 - 27 April
Exhibitor 2018

Janssen, Rolf

Logo Janssen, Rolf

Company Data

Rolf Janssen GmbH
Elektrotechnische Werke

Emsstr. 4
26603 Aurich
Send E-mail
Fax: +49 4941 174 240


Type of company

Year founded

No. of employees
251-500 (Status: 2009)

Company profile


With our electrical and control systems we control energy reliably, economically and environmentally consciously every day. Our work features the latest technology, innovative ideas and extensive knowledge and has made us successful since 1949. In the development of tailor-made top of the range technology for a constantly growing clientele in industry and shipping all over the world.

Company and locations
Rolf Janssen elektrotechnische Werke GmbH, Aurich
Rolf Janssen elektrotechnische Werke GmbH, Nuernberg branch
Emder Schiffs- und Industrieelektronik GmbH, Emden
Janssen Elektromaschinen GmbH, Aurich

Company website


Process control system

THE RIGHT INFORMATION; ANY TIME; ANYWHERE. A fast, continuous exchange of information is the basis for economic management and plant control. The JANSSEN systems for management of information offer you permanent access to your important data and prepare them for further processing. They are ideal for more


Group 01 Warning and monitoring devices for power generator and distributor systems (switching systems). Exhaust average value system Diesel start and monitoring automatic Generator protection device Battery voltage monitor Wire break monitor Field of rotation direction indicator Ground fault monitor Frequency more

Electrical engineering for shipbuilding

NOT ALONG AT HIGH SEAS We know all about shipping. Our location on the coast is reason enough. Shipping lines and owners all over the world have put their trust in the proven Janssen technology and reliable service since the company was founded. Energy supply units: -main control panels -emergency more

fixed installation technology

CONNECTIONS IN ANY COMBINATION The switching system in fixed installation technology has function blocks which can be installed in any combinations. Our designers build different equipment combinations for all areas of application according to the special specifications of our customers. The fixed installation more

TOPDRAW 100/120

FOR FAST INFORMATION EXCHANGE The drawer technology enables fast exchange of data between the plant and master automation level. By modular structure of the contacts and division into three adapter sizes, drawers up to a load of 630 A per phase can be set up. The Top Draw drawer system is available more

Stored items


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