Fixing screw set consists of 4 screws and nuts, metric thread Accessories for: 2-/3-/4-pole circuit breakers 3VA1/2 1000 and for plug-in units 3VA1/2 1000 The different connection variants meet all requirements for convenient connection in the control cabinet. The connection technology of the 3VA molded case circuit breakers enables an uncomplicated and convenient way of putting the 3VA molded case circuit breakers into operation in accordance with all installation requirements. In order to make this possible, an extensive portfolio on the subject of connection technology is offered. www.siemens.de/3VA Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, installation distributors as well as switches and sockets for safe, efficient electrical infrastructure in buildings and industry.