Multi-pin vacuum switch arrangement

A multi-pole vacuum switch arrangement, in particular for medium-high voltage, said multi-pole vacuum switch arrangement comprising:

• a box-shaped base part,
• an insulating supporting part arranged on the box-shaped base part, the insulating supporting part being substantially hollow and open downwardly towards the box-shaped base part,
• vacuum switch tubes of the switch arrangement at least partially enclosed by said insulating support part,
• a spring-force drive arranged on the box-shaped base part, said spring-force drive including drive means having a spring force for opening and closing movable contacts of the vacuum switch tubes, said drive means being connected via linkages to the movable contacts of the vacuum switch tubes,
• at least one bearing part for mounting of the spring force drive,
• the insulating supporting part, the at least one bearing part for mounting parts of the spring-force drive and the box-shaped base part forming a one-piece insulating supporting frame and at least said drive means being mounted on the at least one bearing part of the insulating supporting frame,
• said insulating supporting part having a substantially flat, upright wall part at least partially enclosing with insulating housings, formed on one side of said substantially flat, upright wall part, the vacuum switch tubes.