KRNZ-10 series complete aisle-less switchgears for outdoor installation are intensively used in today’s advanced medium voltage secondary distribution systems.

Prefabricated panels, connected to each other by bus bars allow minimizing time for installation and commissioning.

Aisle-less construction decreases occupied space.

Metal-clad enclosure of KRNZ  is subdivided by grounded partitions into four compartments:

  • Cable compartment;
  • Low voltage compartment;
  • Bus bar compartment;
  • Circuit breaker compartment (for switchgears with circuit breakers, mounted on withdrawable mechanism).

Front and rear parts of SG are equipped by four doors: two upper and two bottom ones, for maintenance purposes.

Main parameters of KRZ*

Name of parameter Value
Rated voltage, kV 7.2; 12
Rated current, А 630; 1000; 1600
Frequency, Hz 50; 60
Rated breaking current, kA 20; 31,5
Maintenance Front, rear
Type of terminals Overhead;
Safety class of housing according to IEC 60529 IP34
Thermal insulation of hosing Yes; No
Aisle presence Aisle-less
Type of maintenance Front-rear
Control type Local;

* By Customer’s demand parameters may be changed.     

Our company offers retrofit implementation of obsolete substations by modern apparatuses.



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г. Запорожье, Украина
ул. Независимой Украины, 41. Офис 317

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