KONČAR - Medium Voltage Apparatus Inc. last update 10.01.2010.
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DBe Series

MEDIUM VOLTAGE BUSHING TYPE INSULATORS

for indoor installation

Bushing-type insulators series DBe for indoor installation are manufactured for rated voltages 12, 24 and 38 kV, and comply with IEC 60137. Bushing-type insulators can be built in apparatus or switchgear. They are suitable for busbar conduction through walls (thickness up to 15 mm). They are made of high-quality epoxy cast resin compound. Internal surface is made of conducting material, in galvanic contact with conducting bolt inside the insulator. The conducting bolt and internal surface are connected by adapting nuts which are also used for conducting bolt fixing.

The insulators are equipped with two nuts at at the ends (bushings for rated currents 400 and 630 A) or special connection for flat busbar (bushings for rated current 1250 A). The bushing-type insulators can be fixed at site by fixing tubes and steel nuts. Dimensional drawings of the insulators indicate fixing and overall dimensions.



BASIC TECHNICAL SPECIFICATIONS



Type designationRated voltage
(kV)
Rated current
(A)
Creepage distance
(mm)
Weight
(kg)
Power freq. withstand voltage 50Hz/1 min. (kV)Peak withstand voltage 1,2/50 μs (kV)Failing load bending (N)
DBe 12/400
DBe 12/630
DBe 12/1250
12400
630
1250
2002,9
3,3
7,1
28757500
DBe 24/400
DBe 24/630
DBe 24/1250
24400
630
1250
2605,3
5,9
10,1
501257500
DBe 38/400
DBe 38/630
DBe 38/1250
38400
630
1250
32013,7
14,5
15,4
701707500



 
2005-10-21


 
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