The Siemens 6GK7277-1AA10-0AA0 is the Compact Switch Module CSM 1277: Compact Switch Module CSM 1277 for connecting SIMATIC S7-1200 and up to 3 further nodes to Industrial Ethernet with 10/100 Mbit/s; unmanaged switch, 4 RJ45 ports, ext. 24 V DC power supply LED diagnostics, S7-1200 module incl. electronic Equipment Manual on CD-ROM..
It needs a 24 V DC supply and mounts on the DIN rail beside the controller.
See our SIMATIC S7-1200 range and the Siemens order number guide (Arabic).
Technical data
| Siemens order number | 6GK7277-1AA10-0AA0 |
|---|---|
| Product type designation | CSM 1277 |
| Ambient temperature (operation) | 0 … 60 °C |
| Dimensions (W x H x D) | 45 x 100 x 75 mm |
| Weight, approx. | 0.15 kg |
| Condition | New, original Siemens |
Features at a glance
- Compact Switch Module CSM 1277 for connecting SIMATIC S7-1200 and up to 3 further nodes to Industrial Ethernet with 10/100 Mbit/s
- Unmanaged switch
- 4 RJ45 ports
- Ext. 24 V DC power supply LED diagnostics
- S7-1200 module incl. electronic Equipment Manual on CD-ROM
Typical applications
- Connecting an S7-1200 CPU, HMI and PC
- Small machine Ethernet networks
- Replacing a failed CSM 1277
Compatibility and replacement
Unmanaged switch; no configuration needed.
What to check first
- Note the firmware version printed on the old unit; TIA Portal or LOGO! Soft Comfort must support it.
- Compare the full order number 6GK7277-1AA10-0AA0 with the label on the old unit, including the last digits (they identify the version).
- Look for signs of overvoltage, water or heat damage in the cabinet so the new part does not fail for the same reason.
Frequently asked questions
Does it need configuration?
No, it is an unmanaged switch.
Can I get a price and delivery time?
Prices are quoted on request. Send the order number, quantity and delivery country on WhatsApp and we will reply with price and delivery time; air shipping is usually 5 to 7 days once ready, with a 1-year warranty.
How to order
Message us the order number and quantity. For breakdowns, tell us the delivery address and we will offer the fastest shipping option. If the exact part is discontinued, we confirm the official successor before quoting.
Need it fast? Send the order number, quantity and delivery country on WhatsApp or through the inquiry form and we reply with a quotation the same working day. All parts are new and original, covered by a 1-year warranty, and ship worldwide by air in 5 to 7 days once ready (shipping, payment and warranty). Local agents: Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.
