KX-ZKA 1 buffer features a shock absorber made of solid elastomer which meets the requirements of category A and the Crash module which principle of operation is based on the plastic strain of metal stream sheared by the external surface of the buffer body. The main advantages of the solution include a low level of forces during collision, their stable dissipation and the possibility to establish when the crash module should be activated. Moreover, by increasing the section being sheared out, it is possible to increase the amount of energy absorbed depending on the customer’s needs. The buffer weight is comparable to a typical category C buffer. The buffer has good working parameters and operational reliability within the temperature range from -40°C to +50°C. The buffer meets the requirements of the EN 15551 standard, the UIC 526-1, UIC 573 leaflets and the RID regulations concerning transport of hazardous materials. The product has the TSI certificate.