TeSys Vario, switch disconnector, 175A, on door. range: TeSys – product name: TeSys VARIO – device short name: VBF – device application: preventive maintenance – product or component type: emergency stop switch disconnector – performance level: high performance – contacts type and composition: 3 NO – network type: AC, DC – rotary handle mounting style: direct – handle colour: black – handle front plate colour: yellow – suitability for isolation: yes.