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O’zelektroapparat-Electroshield \ Productions \ Apparats \ RDZ-35 series outdoor disconnectors for 35 kV

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RDZ-35 series outdoor disconnectors for 35 kV

RDZ-35/1000 NF1 series AC disconnector with two non-conducting mounting posts, with PR-NF1 type drive, is designed for closing and opening electrically dead high-voltage electric circuit sections of 35 kV and commercial frequency of 50 Hz as well as for grounding deenergized sections by using stationary grounding blades (if available).

Climatic category is UKhL according to GOST 15150 (NF according to IEC); placement category is 1 according to GOST 15543.1 for the disconnectors of IP00 protection rating according to GOST 14254-96. The disconnectors of this series are made in single-pole, two-pole, and three-pole versions. When mounting, the disconnectors can be joined into one three-pole, two-pole or single-pole apparatus controlled by one drive. The connection of the driving disconnector with the drive, driven disconnectors is performed by using component parts on the mounting site. The delivery package does not include: frame and connecting rods; shafts between the poles and between the master pole and the drive.

Disconnector design is broken down as follows:

  1. according to the number of poles controlled by a single drive;
  2. according to the availability of grounding conductors
  3. according to the insulation type;
  4. according to the drive type.

Engineering data:

Parameter name
Value
Disconnector
Rated voltage Ur, kV
35
Maximum operating voltage Ur.max, kV
40.5
Rated current Ir, A
1000
Short-time thermal current IT, kA
20
Short-time electrodynamic current, kA
50
Short-circuit time, sec.:
-   for the main loop
-   for the ground loop
 
3
1
External insulation creepage distance, no less than, mm
700
Permissible mechanical load on the lead-outs from the wires connected taking into consideration the effect of wind loads (wind speed of up to 15 m/s) and ice formation (ice sheet thickness of up to 10 mm), no less than, N
500
Rated frequency, Hz
50
Weight, no more than, kg              
85
Operating temperature range, °С
-60…+45
Overall dimensions of the disconnector, no more than, mm
- length
- width
- height
 
1090
430
743
Contact force of the main current-carrying system, kgs
15-18
Contact force of the ground loop, kgs
10-12

 

Drive  
Overall dimensions, no more than, mm
- length
- width
- height
 
490
262
414
Drive protection rating according to GOST 14254
IP63
The highest force applied to the drive, at operating arm’s length together with an extension of 1.5 m, no more than, N
250
Weight, no more than, kg              
15

Two-column disconnectors are made on the basis of design drawings and technologies of the Group of Companies “Electroschield TM-Samara” Joint-Stock Company.

Made in accordance with the Technical Specifications TSh 00212883-012:2008.

The product has been certified by the National Certification System of the Republic of Uzbekistan and Certification System of the Russian Federation (GOST-R).

 
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