Distribution Boards


  • RST, with its huge production units , supplies Distribution boards integrating the components of market leaders manufacturers (Specifically L&T, Schneider, Legrand, ABB, Siemens,…).
  • All our sites work with a common wiring and marking system standard – when no customer specification – to ensure consistent manufacturing whatever the production site.
  • Each project is tested on test platforms to meet the requirement of the IEC 61439 standard.


  • More than 15 years of experience in our business.
  • Multi-brands components assembly according to your needs and optimizations suggested by our engineering offices.
  • National coverage with international support offices, guaranteeing proximity and reactivity.


1. Electrical characteristics :

Short-circuit current (max)Up to 100 KA – 1s
Rated current (In)Up to 4000A
Vertical bus bar3200A
Rated impulse withstand voltageUp to 12 kV
Rated insulation voltage (Ui)Up to 1000V
Voltage rating (Ue)410V
Rated frequency (F)50/60Hz


2. Mechanical characteristics :

Service indexIS 111, 211 and 232
FormUp to 3b
Protection indexUp to IP66
AccessFront or rear


  • IEC 61439


Medium voltage (MV) electrical distribution solution with AIS insulation technology and vacuum quenching apparatus. Safe and reliable in all environments, it is fully compliant with IEC 62271-200 including loss of service continuity LSC2-B and metallic partition (PM).
Our MV Panel is a flexible product, simple, modular and functional. Indeed, it is aimed at the requirements of the end user and adapts to the final needs through tailored solutions and customizations made by RST.
It is also switchgear ready for smart grids directly integrating our simple or advanced protections and solutions , control and monitoring for superior reliability and mastership of energy efficiency.


  • Customized solutions adapted to the customer environment
  • Depth of experience of more than 10 years in MV
  • Withdrawable apparatus technology ensuring minimum loss of service continuity
  • Reduced maintenance thanks to our vacuum quenching
  • IEC Compliant regarding internal arc classification
  • Modularity and flexibility
  • Control and command adapted to the customer functional needs


  • Up to 11 kV
  • Short-time withstand current up to 26.3 kA
  • Rated busbar current up to 3600 A
  • Frequency : 50/60 Hz
  • Technology : AIS
  • Circuit-breakers with vacuum quenching
  • Cable connections on the front or on the rear
  • Loss of service continuity : LSC2B
  • Partition class : PM
  • Internal arc classification up to IAC A FLR 40k during 1s or 0.1s


  • Internal arc resistant cubicles (on request).
  • Quality management according to ISO 9001