CSM 1277 unmanaged Industrial Ethernet switch
Exact Siemens model data arranged for maintenance, replacement and procurement review.
The Siemens 6GK7277-1AA10-0AA0 CSM 1277 is a compact unmanaged Industrial Ethernet switch for SIMATIC S7-1200 installations. Its four RJ45 ports connect the controller and up to three additional Ethernet nodes at 10/100 Mbit/s. An external 24 V DC supply powers the module, while LED diagnostics provide direct network and device status indication. The compact S7-1200 module format supports small machine networks, panel extensions and retrofit work without managed-switch configuration. Before ordering, verify the complete suffix, port count, network speed, 24 V DC supply, cable layout and available installation space.
| Manufacturer | Siemens |
|---|---|
| Complete Part Number | 6GK7277-1AA10-0AA0 |
| Product Type | CSM 1277 unmanaged Industrial Ethernet switch |
| Series | CSM 1277 unmanaged |
| Product Condition | NEW |
| Network Type | Industrial Ethernet |
| Transmission Rate | 10/100 Mbit/s |
| Switch Type | Unmanaged |
| RJ45 Ports | 4 |
| Network Expansion | Connects SIMATIC S7-1200 and up to three further nodes |
| Power Supply | External 24 V DC |
| Diagnostics | LED diagnostics |
| Net Weight | 0.225 kg |
| Packaging Dimensions | 25 x 210 x 290 mm |
| Country of Origin | GERMANY |
| Warranty | With 1 year warranty |
| Manufacturer Lifecycle Note | Siemens identifies this exact model as an active product. |
| Shipping | Shipping method and documents are confirmed in the written quotation. |
Connect the SIMATIC S7-1200 communication path to one RJ45 port.
Use the remaining ports for up to three compatible Industrial Ethernet participants.
Provide the specified external 24 V DC supply.
Use LED diagnostics to check power and port activity during commissioning.
Match the complete suffix, target system, electrical or interface requirements, installation space and original label before ordering.
It provides four RJ45 Industrial Ethernet ports.
No. Siemens identifies the CSM 1277 as an unmanaged switch.
The official description specifies 10/100 Mbit/s.
An external 24 V DC supply is specified.
Confirm the suffix, port count, Ethernet cable layout, supply voltage and panel space.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
Stockoems is operated by Apter Power Limited and is an independent reseller of industrial automation products. Manufacturer names and trademarks are used for identification purposes only.
Our workflow begins with model and suffix verification, condition confirmation and a technical compatibility review based on the information supplied with the inquiry.
For PLC, DCS, drive and monitoring products, the review process focuses on the exact model, revision, firmware, interfaces, field wiring and system context provided by the customer.
Packing is selected to protect sensitive industrial modules during international transport.
Available shipping methods are reviewed against destination and written quotation terms.
Shipment tracking and customs documentation are prepared for the confirmed order.
Warranty scope, return authorization and after-sales response are handled under written terms.
No unconfirmed stock quantity or dispatch date is promised. Availability, packing, shipping and documentation are defined in the written quotation.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
Each entry is an independent product listing and is not presented as a direct replacement. Confirm the manufacturer, complete part number, revision and compatibility before ordering.
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Email: sales6@apterpower.com | WhatsApp: +86 18159889985
