The Siemens 6AV6372-2DF77-1AX0 is the SIMATIC Energy Manager PRO Consumer Package 1, just like the -1AH0 version—but this one delivers the license key on a USB flash drive instead of via download.

Function: Adds 1 consumer to your Energy Manager PRO system

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

Country of Origin: Germany

Classification: eClass 27-24-25-01, ETIM EC000809