Skip to main content
Electro Trade Oy

Medium Voltage Equipment

Alpha Prime : Solutions in primary and secondary distribution for users who require high reliability, ease of operation and safety as critical design elements for their systems: 

  • Metal-clad primary switchgear – AIS 
  • Vacuum circuit breaker – for indoor and outdoor use 
  • Ring Main Units (RMU) – AIS and GIS 

Gas Insulated (RMU) 

The ring main unit serves the secondary distribution level up to 36 kV and is maintenance free. Rated for indoor or outdoor modular and extendible. Combining gas insulated technology and MV metal enclosed Technology. Embedded pole circuit breaker disconnect switch and busbars are sealed in a stainless steel gas tank filled with insulated gas, compact, modular, high performance and maintenance-free switchgear. 

Air insulated 

Alpha VL Vacuum: designed for extreme safety and performance. Alpha Prime is type tested to IEC standards and has metal clad primary compartments equipped with pressure relief flaps to guide gasses to the top side if an internal arc occurs. Busbar fully insulated and features inter unit bushing to prevent travel of an internal arc between sections. 

Embedded poles in the VCB require no maintenance 

Transformers 

Transformers has full range of power transformers designed for utility, industrial and commercial applications such as O&G, chemical, cement mining manufacturing plants, paper or steel mills, schools, hospitals and Office buildings: 

Construction 

  • Liquid-filled – Ventilated dry type  
  • Cast coil -Padmounted 

Product brochures