Push button switch, single pole single throw, CQC ,UL, C-UL & VDE approved. Push button switch, single pole single throw, lead soldering type for the terminals connecting. Rated Value: CQC, VDE approved: 5A/80A, 8A/128A, 250Vac, UL & C-UL approved: TV-5, 120Vac. different mounting holes: M3x20 for KDC-A10-1, Φ3.2x20 for KDC-A10-3.