Key for single-pole switching mechanisms, 1 element, graphite, Simon K45. The Simon K45 series features the key for single-pole switching mechanisms, 1 element, with elegant graphite finishes. The dimensions of this part are 45x45x10mm, and it is made of halogen-free thermoplastic, the best way to guarantee non-flame propagation in case of fire, as well as minimal toxicity in the event of smoke emission. Therefore, we can affirm that this is one of the safest mechanisms on the market within its class. Our brand's commitment to providing safety is evident in the Simon K45 line. A line specifically created with the best materials to adapt to all needs and any type of environment.