Staggered step surfaces in an HVDC relay block arc spatter from clearance gaps, raising creepage distance and insulation resistance.
A flexible conductive link keeps current flowing when switch contacts separate under vibration, preventing arcs and circuit damage.
Non-rectangular blade cross sections raise rigidity without added connectors, preserving contact pressure and limiting arc risk under high current.
A connection restriction unit blocks conflicting series and parallel contact states to prevent short circuits from deformation or misalignment.
Complementary protrusions and depressions stabilize switch contacts during high current surges, reducing noise, vibration, and surface wear.
A soft and hard projection pair enables overtravel and tactile feedback while reducing projection wear in a pressing switch unit.