High Round Head 22mm Metal Button Switch Black Body Latching Mechanism IP67 Protection for Machine Tools Industrial Controls Product Parameters Product Name 8301 Series Metal Button Switch Material Options Stainless steel/Brass clad nickel/Alumina/Custom Rated Specifications 2A 250V T105 Contact Resistance ≤50mΩ Insulation Resistance ≥1000MΩ Dielectric Strength Contact-Panel ≥2000V Contact-Contact 1500V Mechanical Life 200,000 cycles Electrical Life 50,000 cycles Operating