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Negative busbar switchgears technical parameters

Name of Parameter Unit Value   
Rated voltage of power circuit V 600 750, 825 1500, 1650  3000, 3300
Negative switchgear type - line modular - 
Rated current of power circuit A 1000 2000 up to 8000* 
Electrodynamic resistance kА 80 100 80 55
Test voltage kV 10   
Control - microprocessor  
Rated voltage of control circuits V 110, 220   
Rated voltage of lighting AC circuits V 220   
Rated voltage of signaling DC circuits V 24   
Cycling per
hour		 40   
Mechanical strength, minimum cycles 20000 30000 20000 (30000)**
Protection degree - IP 43   
Cooling - natural air  

*- manufacturing of switchgears with parameters different from those stated above is made by special order
**- the value depends on disconnector type