The HMIYBFKT21 is a fan kit from the Schneider Electric Harmony iPC range, designed as an adaptation accessory and replacement part for Box PC units equipped with 2 slots PCI/PCIe.
For BOM lines that require this exact order code, sourcing is through independent distribution channels.
This fan kit is specific to Harmony iPC Box PC units that have a 2-slot PCI/PCIe expansion configuration. It serves as both a replacement for a failed fan and an adaptation accessory for a unit that may not have originally shipped with one.