PT Series With LED Indicator. Cadmium-free contacts LED and mechanical indicator Manual/ lockable test facility Isolation coil to contact; 2.5kV Contact material: AgNi Mechanical life; AC; 20 x 10 ;sup>6 ;/sup>, DC; 30 x 10 ;sup>6 ;/sup> Plug-in type Dimensions: W22.5 x D28 x H29 mm