Part J8168A is compatible in the following Models:

Aruba 2620 Switch Series

HPE 2620-24 Switch - J9623A

HPE E2620-24 PPoe+ Switch - J9624A

HPE 2620-48 Switch - J9626A

HPE Networking Switch Redundant Power Supplies

ProCurve 600 Redundant / External Power Supply - J8168A