A suspension device (10) with a carrier segment (12) and with at least one extension arm (14) that can be mounted pivotably thereon for moving in space devices (16, 18) that can be mounted thereon. The carrier segment (12) has a base part (24) for mounting the suspension device (10) at a mounting site. The suspension device has one or more quick-release rod modules (26) that can be detachably connected with the base part (24). The quick-release rod module (26) or each quick-release rod module (26) has a bus module (32), which contacts either a bus module (32) of a quick-release rod module (26) already embraced by the suspension device (10) or a contact device in the base part (24) when a quick-release rod module (26) is mounted on the suspension device (10).