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DC auxilary power suply system
DC auxilary power suply system

DC auxilary power suply system are intended to provide uninterrupted operating and backup power supply to consumers of operational direct current at substations, power plants, stations and industrial facilities.

Cabinets use only equipment certified for use in DC networks of the following manufacturers: Schneider Electric, ABB, OEZ, JEAN MULLER, SEZ, Weidmueller. Load circuit breakers INV with visible gap manufactured by Schneider Electric are used as input and sectional disconnectors. All power devices provide protection level IP20 against contact with live parts.

DC auxilary power suply systems consist of the following main elements:

  • Batteries - store electricity for emergencies;
  • Charger - charges the batteries;
  • Control cabinet - it contains all protective and switching equipment, a programmable logic controller or IED, as well as converters.

Aftersales service
Implemented QMS
ISO 9001
in eqipment selection
24/7 technical support
  • Reception of electricity and its subsequent conversion from alternating current to direct current;
  • Energy storage;
  • Distribution of energy between connected consumers;
  • Power supply of emergency lighting lines;
  • Self-diagnosis and analysis of own work.


 DC switchboard   Operational DC cabinet   Operational compartition DC 
 Rated current 
 Up to 1250 А  Up to 80 А  Up to 100 А
 Rated voltage 
 =110 V, =220 V
 Dynamic short circuit strength during 1 s 
 =110 V, =220 V                                                Up to 10 kA
 Thermal short circuit strength during 1 s 
        Up to 30 kA
                                               Up to 10 kA
 Battery capacity                   -               Up to 190 Аh                              -
 Environmental rating               Up to IP 54               Up to IP 31                        Up to IP 54
 Maintenance                                                            single-sided/double-sided
 Cable entry (bus)                                                                         bottom/top
 Height                                                                      2000, 2200 mm
 Width                                                                        600, 800 mm
 Depth                                                                 600, 800, 1000 mm
 Protection rating of conductive parts when the door is open                                                                         Up to IP 31
 Level of internal separation                                                                          Up to 3b
 Climatic modification and category of placement(location)                                                     UHL 4.2 acc. GOST 15150-69
 Grounding system                                                              Up to 9 acc. MSK-64

Send us a message and our engineers will promptly answer all your questions.
Send a message and our engineers will promptly answer all your questions.
Send us a message and our specialists will promptly answer all your questions.
Service support
Warranty and post-warranty service, commissioning, supervision, engineering services, service centers, design and redesign
Our advantages
In-house manufacture

Our own production line allows us to ensure high quality and short production time

Social responsibility

Our main tasks in the field of social policy are creation of decent working conditions for employees as well as assistance to orphanages and homes for the elderly


Employees of the company or service centers personally carry out troubleshooting at the facility within 2–5 days (travelling time excluded)


The equipment manufactured by our company has certificates of conformity and is regularly certified

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    Main office