852-103 Wago Industrial-Switch;8-port 100Base-TX;2 Slots 100Base-FX;black

Why Choose the WAGO 852-103 Industrial Switch?

The WAGO 852-103 is a rugged industrial unmanaged Ethernet switch designed for reliable communications in demanding industrial automation environments. As part of the robust WAGO 852 Industrial Switch series, it combines eight Fast Ethernet copper ports with two fibre optic expansion slots, making it ideal for machine builders, system integrators and industrial facilities requiring dependable network connectivity.

Featuring a durable industrial housing, redundant power supply capability and advanced diagnostic monitoring, the switch provides exceptional network reliability. Automatic transmission rate detection and Auto-MDI/MDIX functionality allow plug-and-play installation, reducing commissioning time and simplifying network deployment.

With 8 × 10/100Base-TX Ethernet ports and 2 × 100Base-FX fibre optic SFP slots, the 852-103 enables long-distance industrial communications while maintaining stable network performance in harsh environments.

Key Advantages

• Industrial unmanaged Ethernet switch.
• 8 × 10/100Base-TX RJ45 ports.
• 2 × 100Base-FX fibre optic SFP slots.
• Redundant DC power supply support.
• Plug-and-play operation with no configuration required.
• Auto-negotiation and Auto-MDI/MDIX support.
• DIP-switch configurable alarm functions.
• Industrial-grade housing for harsh environments.

Key Features

• WAGO 852 Industrial Switch series.
• 8 Fast Ethernet copper ports.
• 2 fibre optic SFP slots.
• 10/100 Mbps auto-negotiation.
• Store-and-forward switching architecture.
• Non-blocking switching performance.
• Auto-MDI/MDIX functionality.
• IEEE 802.3, IEEE 802.3u and IEEE 802.3x compliant.
• Redundant power supply inputs.
• Signal contact diagnostics.
• DIP-switch configurable alarm functions.
• DIN rail mounting.

Technical Specifications

• Manufacturer: WAGO
• Series: 852 Industrial Switches
• Model: 852-103
• Product type: Industrial unmanaged Ethernet switch
• Number of copper ports: 8 × 10/100Base-TX RJ45
• Number of fibre ports: 2 × SFP 100Base-FX slots
• Network speed: 10/100 Mbps
• Switching method: Store-and-forward, non-blocking
• Communication standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x
• MAC address table: 2000 addresses
• Jumbo frame size: 1536 bytes
• Supply voltage: 9-48 V DC
• Power consumption: 5.76 W typical, 6.08 W maximum
• Redundancy: Redundant DC power supply
• Diagnostics: Alarm relay and signal contact
• Protection rating: IP30
• Mounting type: DIN rail mounting
• Operating temperature: -40°C to +70°C
• Storage temperature: -40°C to +85°C
• Dimensions (W × H × D): Approx. 50 × 120 × 162 mm

Industrial Ethernet and Fibre Connectivity

The WAGO 852-103 combines copper Ethernet connectivity with fibre optic expansion capability, allowing industrial networks to extend over significantly greater distances than traditional copper-only installations. This makes the switch particularly suitable for large production facilities, utility infrastructure and distributed automation systems.

Its redundant power inputs, configurable alarm functions and relay-based diagnostics help improve system uptime while providing rapid fault indication. These capabilities make the 852-103 well suited to mission-critical industrial networking applications.

Typical Applications

• Industrial automation systems.
• Machine building and OEM equipment.
• Factory-wide Ethernet networks.
• PLC and HMI networking.
• Long-distance fibre optic communications.
• Infrastructure and utility applications.
• Process control systems.
• Remote I/O communications.

Trusted by Industrial Networking Professionals

WAGO industrial switches are widely deployed throughout manufacturing, infrastructure and process industries where reliable Ethernet communications, fibre optic connectivity and long-term operational stability are critical requirements.