8300 Series Metal Button Switch Illuminated LED 22mm metal button switch with momentary function and low contact resistance for CNC machine interfaces panels. Product Parameters Product Name 8300 Series Metal Button Switch Material Options Stainless steel/Brass clad nickel/Alumina/Custom Rated Specifications 10A 250V T105 Contact Resistance ≤50mΩ Insulation Resistance ≥1000MΩ Dielectric Strength Contact-Panel ≥2000VContact-Contact 1500V Mechanical Life 200,000 cycles