LANGUAGE Customer portal SEGMENTS PRODUCTS & SERVICES HOW WE WORK Holtab ABOUT HOLTAB YOUR CAREER NEWS CONTACTS Products & services Secondary substations Sheet steel SHEET STEEL SECONDARY SUBSTATIONS A sheet steel secondary substation provides greater possibilities for customisation, even if we also have an extensive portfolio of standard solutions. Sheet steel offers a resilient structure that is also lighter to transport. Product quality With its many qualities, sheet steel is the obvious choice of construction material. Steel is cost effective, strong and pliable. It is an excellent material for building safe and robust secondary substations. When handled right, a sheet steel secondary substation provides more service life than required. Personal safety Our secondary substations are constructed with the highest priority for personal safety with plenty of space and well proven and back-mounted technology to ensure work with voltage is carried out in a secure manner. The stations have been tested according to IEC62271-202 type A and B to ensure electrical arc safety. Environmentally-friendly Sheet steel is 100% recyclable and is made entirely or in part of recycled material. Steel is an environmentally friendly, closed-loop material, which means it can be recycled without loss of quality. Medium-voltage Alternative solutions for 12-36 kV Transformer Standard up to 1250 kVA or customised Station material Aluminium-zinc or Magnelis to withstand tough environments Customisable Solutions customised to requirements Smart secondary substation Future-proof options for metering, automation and information Plug and play Industrially built in the factory, including testing of live operational environment before delivery Long lasting – all thanks to the construction The station’s material and surface treatment is crucially important to ensure correct ventilation and protection against condensation and corrosion. The sheet steel we use is either Aluminium-zinc or Magnelis. They work exceptionally well in tough environments where other surfaces fail. They are a good environmental choice, partly because they have a long life, but also because they are recyclable. Sheet steel stations with steel foundations are made from Aluminium-zinc, AZ185. Sheet steel stations with concrete bases are made of Magnelis, ZM310 (the part above ground) with a concrete base. This is recommended when there are particular requirements to seal off the ground. Manuals and Instructions → Choices for the interior – equip however you want You can choose exactly how you want the interior of the station to look. In certain cases air-insulated medium-voltage equipment is best, while RMU switchgear may possibly be a better solution. Choosing the construction of the station is an essential part of our offer and most importantly, our clients must feel secure in their choice of technical solutions. Secondary substation 315-1250 kVA Air-insulated medium-voltage 12-24 kV and RMU switchgear up to 36 kV Read more Series-connected secondary substation Voltage levels of 12 kV or 24 kV Read more Switching stations / Junction cabinets / Feeder cabinets For connection points and feeding power Read more Mobile stations with flexible solutions Ready for immediate commissioning Read more