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SHARQ-35 series cassette-type switchgears and controlgears for 35 kV

SHARQ-35 series switchgears and controlgears are intended to receive and distribute three-phase AC electric power of 35 kV voltage and 50/60 Hz frequency in grids with insulated neutral or neutral earthed through an arcing ground suppressor.

SHARQ-35 series cassette-type switchgears and controlgears for 35 kV

SHARQ-35 series switchgears and controlgears are used as 35 kV switchgear of 220(110)/35 kV and 35/6(10) kV transformer substations as well as in power distribution substations.

SHARQ-35 series switchgears and controlgears are designed for indoor operation under the following conditions:

  1. relative air humidity: 98% at +25° С;
  2. atmosphere category is II according to GOST 15150-69;
  3. environment: non-explosive, containing no current-conducting dust, aggressive gases and/or vapors in concentration that may damage the insulation and metal.

These switchgears and controlgears can be installed in modular buildings equipped with heating and ventilation systems.

SHARQ-35 series switchgears and controlgears have the following distinctive features:

  1. wide spacing in the arrangement of the main circuits;
  2. high quality of assembly; 
  3. sophisticated interlock system ensuring safety of the maintenance personnel;
  4. design providing easy maintenance.

 

  Parameter name
Value
Rated voltage, kV
35
Maximum operating voltage, kV
40.5
Rated current of the main circuits, A
630; 1000; 1250; 1600
Rated current of the busbars, A
630; 1000; 1250; 1600
Rated breaking current of the in-built circuit breaker, kA
16; 20; 25; 31.5
Short-time thermal current, kA
25*
Short-time electrodynamic current of the main circuits of the switchgear and controlgear cubicles, kA
64*
Insulation level according to GOST 1516.1
Standard insulation; level “b”
Insulation type
Composite
Presence of drawout components in the switchgear and controlgear
With drawout components
Overall dimensions of the cabinets, mm:
·    width
·    height
·    depth
 
1500
2800
2500
Protection rating according to GOST 14254-96
IP20
Climatic category of the K-65 series switchgear and controlgear
Altitude above sea level, m
1000
Ambient temperature, °C
+40° C; -25° C
Weight, kg
up to 1700

* With a rated breaking current of the circuit breakers exceeding the short-time thermal current of the switchgear and controlgear, the latching and breaking current of the switchgear and controlgear may not exceed the short-time thermal current of the switchgear and controlgear cabinet.

SHARQ-35 series switchgears and controlgears meet the requirements of GOST 14693-90, GOST 12.2.007.0-75, GOST 12.2.007.4-75, and IEC 298 and IEC 694.

Made in accordance with Technical Specifications Ts 00212883-044:2013.