852-103/040-000 Wago Industrial-Switch;8-port 100Base-TX;2 Slots 100Base-FX;black

Why Choose the WAGO 852-103/040-000 Industrial Switch?

The WAGO 852-103/040-000 is a high-performance industrial unmanaged Ethernet switch designed for reliable communication in demanding automation and control environments. As part of the robust WAGO 852 Industrial Switch series, it combines eight Fast Ethernet copper ports with two fibre optic SFP slots, making it ideal for machine builders, process control systems and industrial network infrastructures requiring long-distance communication capability.

Designed specifically for harsh industrial environments, the switch features a rugged aluminium housing, redundant power supply capability and advanced diagnostic functions. Automatic transmission rate detection and Auto-MDI/MDIX functionality allow simple plug-and-play deployment while reducing installation and commissioning time.

With 8 × 10/100Base-TX Ethernet ports, 2 × 100Base-FX SFP fibre optic slots and an extended operating temperature range of -40°C to +70°C, the 852-103/040-000 delivers reliable industrial networking performance in challenging environments.

Key Advantages

• Industrial unmanaged Ethernet switch.
• 8 × 10/100Base-TX RJ45 ports.
• 2 × 100Base-FX SFP fibre optic slots.
• Extended temperature range operation.
• Redundant DC power supply inputs.
• Plug-and-play installation with no configuration required.
• Auto-negotiation and Auto-MDI/MDIX support.
• Alarm contact and diagnostic monitoring.

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 support.
• DIP-switch configurable alarm functions.
• Signal contact diagnostics.
• DIN-35 rail mounting.

Technical Specifications

• Manufacturer: WAGO
• Series: 852 Industrial Switches
• Model: 852-103/040-000
• Product type: Industrial unmanaged Ethernet switch
• Number of copper ports: 8 × 10/100Base-TX RJ45
• Number of fibre ports: 2 × 100Base-FX SFP 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
• Housing material: Aluminium
• Mounting type: DIN-35 rail mounting
• Operating temperature: -40°C to +70°C
• Storage temperature: -40°C to +85°C
• Dimensions (W × H × D): 50 × 162 × 120 mm
• Weight: Approx. 887 g

Industrial Ethernet and Fibre Optic Connectivity

The WAGO 852-103/040-000 combines copper Ethernet connectivity with fibre optic networking capability, enabling long-distance industrial communications while maintaining reliable network performance. The integrated SFP slots support both single-mode and multi-mode fibre optic modules, making the switch suitable for large-scale facilities and distributed automation systems.

Its redundant power supply architecture, configurable alarm functions and signal contact diagnostics help improve operational uptime and simplify maintenance. These features make the switch particularly well suited for mission-critical industrial applications where network reliability is essential.

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 installations.
• Process control systems.
• Remote I/O communications.

Trusted by Industrial Networking Professionals

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