What this part is
The 6ES7922-3BJ00-0AM0 is a Siemens SIMATIC S7-300 front connector cable, 8 meters long, used to connect the front connector of an S7-300 I/O module to field wiring or a remote junction box.

Siemens SIMATIC S7-300 front connector cable, 8 m, 6ES7922-3BJ00-0AM0, 2.178 lb.
| Parameter | Value |
|---|---|
| Weight | 2.178 lb |
| Product dimensions (W x l x h) | Package size unit of measure : Not available |
The 6ES7922-3BJ00-0AM0 is a Siemens SIMATIC S7-300 front connector cable, 8 meters long, used to connect the front connector of an S7-300 I/O module to field wiring or a remote junction box.
The 6ES7138-4DB030 is a different product class: it is an ET 200S electronics module, not an S7-300 front connector cable. It will not drop into a panel specified for 6ES7922-3BJ00-0AM0 without rewiring and a different base unit.
The listed title is SIMATIC S7300 CONN. FRONT CAVO 8M, which describes an S7-300 front connector cable, 8 meters long.
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