SIMATIC S7-400 Terminating Connector for IM 461-3
$217.71 – $241.90
Terminating connector for IM 461-3 receiver interface module — must be installed at the end of the C-bus expansion chain to maintain signal stability, used with the IM 460-3 transmitter (up to 102m distance). [VERIFIED via Siemens official datasheet — note: standard Siemens terminology is ‘C-bus’, not ‘K-Bus’ as sometimes listed]
Technical Specifications
| Product Type | Terminating Connector |
| Compatible Module | IM 461-3 (receiver) |
| Weight | Approx. 80g |
| Required For | End-of-chain termination in IM 460-3/461-3 C-bus expansion setups |
Typical Applications
Required accessory installed at the final receiver module (IM 461-3) in a non-centralized expansion configuration to prevent signal reflection on the C-bus connection — not optional for proper bus operation.





