The Siemens 6AV6372-2DF67-1CX0 is the SIMATIC Energy Manager PRO Consumer Package 25, just like the -1CH0 version—but this one delivers the license key on a USB flash drive instead of via download.
Function: Adds 25 consumers to your Energy Manager PRO system
Includes: EE-Monitor functionality
License Type: Single license key on USB stick
Software/Docs: Not included
Weight: Approx. 0.201 kg
Packaging Dimensions: 19.0 × 23.9 × 2.5 cm
Compliance: RoHS compliant, no WEEE take-back obligation