A 24 V DC receiver interface for connecting S7-300 expansion racks to an IM 360 central rack.
Siemens 6ES7361-3CA01-0AA0 is the IM 361 receiver interface installed in an S7-300 expansion rack. It connects the expansion rack to the central rack through an IM 360 and carries the S7-300 backplane and C-bus connection.
The module supports multi-rack S7-300 layouts. Rack numbering, slot position, interface cable length, power supply and the accumulated backplane-bus load must be verified before replacement.
| Manufacturer | Siemens |
| Complete Part Number | 6ES7361-3CA01-0AA0 |
| Product Description | SIMATIC S7-300 IM 361 receiver interface for expansion racks, 24 V DC, with C-bus |
| Product Lifecycle (PLM) | PM400: Announcement of product phase-out |
| PLM Effective Date | Product phase-out since 01.10.2023 |
| Country of Origin | Germany |
| Module family | SIMATIC S7-300 IM 360/361/365 interface modules |
| Module role | IM 361 receiver in expansion rack |
| Central-rack partner | IM 360 |
| Rated supply voltage | 24 V DC |
| Supply current L+, maximum | 500 mA |
| Typical power loss | 5 W |
| C-bus support | Yes |
| Expansion interfaces per CPU | Maximum 3 |
| Permitted expansion racks | Racks 1 to 3 in an IM 360/IM 361 layout |
| Module position | Slot 3, before the first signal module |
| Modules per rack | Maximum 8 SM, FM or CP modules |
| Documented connecting cables | 1 m, 2.5 m, 5 m and 10 m |
| Dimensions | 80 × 125 × 120 mm |
| Weight | Approximately 505 g |
Extend a verified central rack with additional S7-300 expansion racks.
Carry the backplane and C-bus connection to compatible expansion modules.
Replace an IM 361 only after rack numbering, cable and partner module are confirmed.
It receives the S7-300 bus connection in an expansion rack connected to a central-rack IM 360.
The rated supply is 24 V DC.
Siemens documents a maximum of three interfaces per CPU for the IM 360/IM 361 layout.
The interface module occupies slot 3 and is placed before the first signal module.
The S7-300 manual lists 1 m, 2.5 m, 5 m and 10 m interface cables.
Siemens states PM400: Announcement of product phase-out; product phase-out since 01.10.2023.
Send the complete part number, required quantity, destination and installed-system configuration.
Independent checks for identification, configuration fit and international spare-parts logistics.
We check the full 6ES7361-3CA01-0AA0 marking, label condition and exact suffix.
System family, companion hardware, wiring and engineering details are reviewed before quotation.
Condition, warranty scope, protective packing and worldwide delivery details are confirmed.
Send the complete part number, required quantity, destination and installed-system configuration.
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