A medium or high voltage switch comprising a moveable contact element and a stationary contact element (20, 30), the moveable contact element being moveable along an axis for opening and closing the switch, the moveable contact element having - a moveable-contact contacting portion (12, 12'), and - a moveable-contact guiding portion (14, 14'), and the stationary contact element (20, 30) having - a stationary-contact contacting portion (22, 32) configured to make an electrical connection with the moveable-contact contacting portion (12, 12') when the switch is closed, and - a stationary-contact guiding portion (24, 34), the stationary-contact guiding portion (24, 34) being configured to engage with the moveable-contact guiding portion (14, 14') when the switch is closed, wherein at least one of the stationary-contact guiding portion (24, 34) and the moveable-contact guiding portion (14, 14') is electrically insulating, characterized in that the moveable-contact guiding portion (14, 14') and the stationary-contact guiding portion (24, 34) are shaped for establishing, when the moveable-contact guiding portion (14, 14') and stationary-contact guiding portions (24, 34) are engaged with each other, a spherical-bearing-type mechanical connection between the moveable-contact guiding portion (14, 14') with the stationary-contact guiding portion (24, 34), thereby aligning a center of the moveable-contact guiding portion (14, 14') with a center of the stationary-contact guiding portion (24, 34) while allowing an angular flexion between the moveable and stationary contact elements (10, 20, 30). the moveable contact element having - a moveable-contact contacting portion (12, 12'), and - a moveable-contact guiding portion (14, 14'), and - a moveable-contact contacting portion (12, 12'), and - a moveable-contact guiding portion (14, 14'), and the stationary contact element (20, 30) having - a stationary-contact contacting portion (22, 32) configured to make an electrical connection with the moveable-contact contacting portion (12, 12') when the switch is closed, and - a stationary-contact guiding portion (24, 34), the stationary-contact guiding portion (24, 34) being configured to engage with the moveable-contact guiding portion (14, 14') when the switch is closed, wherein - a stationary-contact contacting portion (22, 32) configured to make an electrical connection with the moveable-contact contacting portion (12, 12') when the switch is closed, and - a stationary-contact guiding portion (24, 34), the stationary-contact guiding portion (24, 34) being configured to engage with the moveable-contact guiding portion (14, 14') when the switch is closed, wherein at least one of the stationary-contact guiding portion (24, 34) and the moveable-contact guiding portion (14, 14') is electrically insulating, characterized in that the moveable-contact guiding portion (14, 14') and the stationary-contact guiding portion (24, 34) are shaped for establishing, when the moveable-contact guiding portion (14, 14') and stationary-contact guiding portions (24, 34) are engaged with each other, a spherical-bearing-type mechanical connection between the moveable-contact guiding portion (14, 14') with the stationary-contact guiding portion (24, 34), thereby aligning a center of the moveable-contact guiding portion (14, 14') with a center of the stationary-contact guiding portion (24, 34) while allowing an angular flexion between the moveable and stationary contact elements (10, 20, 30).