Spare parts for medium-voltage switchgear SIMOPRIME

SZM builds and distributes the SIMOPRIME to 17,5 kV exclusively in Germany and also supplies spare parts for extensions and repairs.

The SIMOPRIME is an air-insulated medium-voltage switchgear. It is a factory-assembled, type-tested, metal-enclosed and metal-clad switchgear for indoor installation according to IEC 62271-200. The bayable system can be built in different cubicle variants, including circuit-breaker cubicle, disconnector cubicle, vacuum contactor cubicle, longitudinal coupling and metering cubicle.

SZM is a technology partner of Siemens and the only company in Germany that manufactures the SIMOPRIME. At the same time, SZM is the exclusive sales partner for Siemens in Germany.

Extension of the SIMOPRIME switchgear

The system can be extended on both sides without having to modify existing panels. For the extension of the switchgear or the replacement of components, please contact SZM as your Siemens partner.

Exclusive supplier of spare parts for the SIMOPRIME

SZM not only manufactures the switchgear, but is also the exclusive supplier of spare parts for the SIMOPRIME. Here is a list of selected, important spare parts that you can obtain from us:

  •    Contact system
  •    Earthing switch
  •    Drives for earthing switches
  •    Entry bells
  •    Insulating parts
  •    locking magnets, tripping magnets
  •    Housing parts, e.g. doors
  •    Copper parts, e.g. current-carrying rails
  •    Moulded parts
  •    Cast resin parts, e.g. feed-through plates, other moulded parts
  •    SIMOPRIME accessories, e.g. switching levers
  •    Circuit-breakers
  •    Current transformers, voltage transformers

Are you interested in an extension to the SIMOPRIME switchgear or in spare parts for the SIMOPRIME medium-voltage switchgear? Then simply give us a call or send us an e-mail:

⇒ Kai-Uwe Löffler, Project Manager                                   
Phone: +49 35771 58-380 | Mobile: +49 162 2804600 | E-mail: kai-uwe.loeffler(at)