Description
Power frequency withstand voltage
· against earth -140; 275; 460; 520
· across isolating distance – 160; 315; 530; 610
Lightning impulse withstand voltage
· against earth – 325; 650; 1050; 1425
· across isolating distance – 375; 750; 1200; 1425 (+240)
Applications
The horizontal double break disconnector is suitable for
substations with limited phase space and installation with low vertical clearance.