
The Siemens 6GK7177-1MA20-0AA0 is a LOGO! CSM12/24 compact unmanaged switch designed for connecting a LOGO! controller and additional nodes to Industrial Ethernet. Siemens specifies 10/100 Mbit/s transmission, four RJ45 interfaces and a front diagnostic port.
| Manufacturer | Siemens |
| Article Number | 6GK7177-1MA20-0AA0 |
| Product Type | LOGO! CSM12/24 Compact Switch Module |
| Product Family | LOGO! CSM unmanaged |
| Transmission Rate | 10 Mbit/s / 100 Mbit/s |
| RJ45 Interfaces | 4 electrical connections for network components or terminal equipment |
| Switch Type | Unmanaged |
| Rated Supply Voltage | 24 V DC |
| Supply Voltage Range | 10.2 ... 30.2 V DC |
| Maximum Current Consumption | 0.15 A |
| Rated Power Loss | 1.5 W |
| Power Connection | 3-pole terminal block |
| Operating Temperature | 0 ... 55 °C |
| Storage / Transport Temperature | -40 ... +70 °C |
| Relative Humidity | Maximum 90% at 25 °C, without condensation |
| Protection Rating | IP20 |
| Dimensions W × H × D | 71.5 × 90 × 58.2 mm |
| Net Weight | 0.15 kg |
| Mounting | 35 mm DIN-rail mounting; wall mounting |
| Multiport Mirroring | No |
| Switch-Managed | No |
The module is intended for compact Industrial Ethernet arrangements involving a Siemens LOGO! controller and additional network nodes. Siemens identifies connection of LOGO! versions 0BA7 / 0BA8 and up to three further nodes.
Maintenance teams may identify this exact article when an existing LOGO! Ethernet connection becomes unavailable, a switch module requires replacement, or the original network topology must be restored without changing the established panel arrangement.
A failed network connection can interrupt communication between connected automation nodes. In a running machine or control panel, loss of Ethernet communication can therefore increase troubleshooting time and may contribute to process interruption when network communication is required for the application.
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For a quotation, please send the complete part number together with quantity, destination, required date and machine/system information. This helps us understand your replacement requirement more accurately.



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