Description
ABB AFS670 Modular 19-inch Industrial Ethernet Switch
Technical Specifications
- Product Model: AFS670
- Brand: ABB
- Warranty: One Year
- Input Voltage: 90–265 VAC / 18–60 VDC / 77–300 VDC, redundant power supply support
- Operating Temperature: -40°C ~ +70°C
- Storage Temperature: -40°C ~ +85°C
- Response Time: <5 μs switching latency
- Protection Class: IP30 metal 19-inch rack chassis
- Accuracy Class: Not applicable (Network Switch)
- Output Frequency: N/A
- Rated Current Range: 10–40 W typical power consumption (without PoE)
- Communication Interface: Modular slot design, maximum 12 slots; 2 ports per module, RJ45 / SFP optical combo ports
- Supported Protocols: IEEE 802.3, RSTP, MSTP, VLAN, QoS, PRP/HSR
- Overload Capacity: ESD, surge and transient protection compliant with IEEE 1613; short-circuit protection on port circuits
- Dimensions: 482 mm × 88 mm × 260 mm (19-inch 2U rackmount)

Product Overview
The AFS670 is a modular managed industrial Ethernet switch within ABB AFS FOX switch family, purpose-built for substation automation and utility communication networks. It adopts a flexible hot-pluggable port module architecture, allowing engineers to mix electrical copper and fiber optical ports to match site communication topology. This network hardware mitigates data packet loss and communication interruptions caused by electromagnetic interference in high-voltage power facilities. Substation automation engineers, system integrators and power plant maintenance teams deploy this switch to build resilient redundant communication backbones for IEDs, SCADA servers and control systems. Support for PRP and HSR protocols eliminates single points of failure, meeting strict reliability requirements for mission-critical power grid infrastructure.
Application Scenarios
- HV/MV Power Substation Automation: Forms redundant communication networks for protection relays, bay controllers and measurement IEDs. Rugged EMC performance complies with IEEE 1613 and IEC 61850-3 standards for substation environments.
- Renewable Energy Power Plants (Wind & Solar): Aggregates data from inverters, weather monitoring units and site controllers. Fiber port expansion enables long-distance communication between distributed generation equipment and central control rooms.
- Industrial In-Plant Process Communication: Builds reliable control network backbones for large chemical, pulp and paper facilities. Modular port layout supports staged network expansion during plant upgrades without full system shutdown.
- District Distribution Automation Systems: Connects remote feeder terminals and distribution grid monitoring devices. Wide-range power input supports deployment alongside diverse local power supply configurations.







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