Siemens 6AV6372-2DF07-4CX4

SIMATIC Energy Manager upgrade V7.x -> V7.4 for systems with up to 50 tags; engineering/runtime software; single license; license key on USB flash drive; software and documentation on DVD; please observe product release: support.industry.siemens.com entry ID: 109815309 - - content: set (1x DVD + 1x USB)