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Republic of Kazakhstan, Almaty Region,
Karasay District, 50 Tsentralnaya St.

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Camera KRU-KEP-1/22

Camera KRU-KEP-1/22

Low Voltage Complete Devices (LCCs)

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Low-voltage switchgear and controlgear assembly of KRU-KEP-1/22 type


Low-voltage assembly is designed for power reception, control, overload and short-circuit protection, measurement, metering, and distribution of electrical energy up to 690 V at 50, 60 Hz, for use in power supply, control, and automation systems as distribution switchboards, power distribution centers, control and automation panels and cabinets.

Main application areas of low-voltage assemblies:

  • enterprises of petrochemical, mining, metallurgical, and machine-building industries;
  • power plants and substations of energy systems;
  • communication nodes and telecommunication systems;
  • medical institutions;
  • transport infrastructure facilities.

Low-voltage assembly is manufactured with mass-produced stationary, removable, or withdrawable modules. A large number of module combinations, along with simplicity and high speed of installation and replacement, allow meeting any customer requirements.

Technical specifications and main versions

Parameter / DescriptionValue / Rating
Rated current of main busbars, A 630 - 6300
Rated current of distribution busbars, A 475 - 4100
Main circuit rated operating voltage, B ~ 220, ~ 380, ~ 690
Rated insulation voltage, B 750, 1000
Rated impulse withstand voltage, kV 8, 12
Rated frequency, Hz 50, 60
One-second thermal withstand current (short-time withstand current) at 0.4 kV voltage, kA:
 - from 250 to 400 kVA
 - from 630 to 1000 kVA
 - for 1600 kVA
 - for 2500 kVA
20
30
50
100
Electrodynamic withstand current (peak current) of busbars and branch circuits at 0.4 kV voltage, kA:
 - from 250 to 400 kVA
 - from 630 to 1000 kVA
 - for 1600 kVA
 - for 2500 kVA
40
66
110
220
Auxiliary circuit rated voltage, B ~220, ~380-24,-48, -220
Earthing system ТТ / IT / TN-S / TN-C
Cable entry / Busbar entry bottom / top
Service method double-sided / single-sided

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