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

Why Choose the WAGO 852-103 Industrial Ethernet Switch?

The WAGO 852-103 is a robust industrial unmanaged Ethernet switch designed to deliver reliable communication across automation systems, machine networks and industrial control cabinets. The switch provides eight Fast Ethernet RJ45 ports for copper connections together with two SFP slots for 100BASE-FX fibre optic communication, enabling flexible network expansion and integration within industrial Ethernet infrastructures. :contentReference

Built for demanding industrial environments, the switch supports 10/100 Mbit/s auto-negotiation and Auto-MDI/MDIX on all copper ports, allowing plug-and-play installation without special cabling or configuration. Its rugged metal housing and wide 9–48 V DC supply range ensure dependable operation in automation cabinets and machine installations. :contentReference

The device also includes redundant power supply inputs and alarm monitoring functions, providing improved network reliability for critical industrial applications. Fibre-optic SFP slots enable longer communication distances and improved noise immunity where copper Ethernet connections are not suitable. :contentReference

Key Advantages

• 8 Fast Ethernet RJ45 ports for industrial automation networking.
• 2 SFP fibre-optic slots for long-distance communication.
• Plug-and-play unmanaged switch requiring no configuration.
• Auto-negotiation and Auto-MDI/MDIX simplify network setup.
• Redundant DC power supply inputs increase system reliability.
• Compact DIN rail mounting design for industrial control cabinets.

Key Features

• Industrial unmanaged Ethernet switch.
• 8 × RJ45 10/100Base-TX ports.
• 2 × SFP slots supporting 100BASE-FX fibre.
• Store-and-forward, non-blocking switching architecture.
• DIP switches for alarm configuration.
• Status LEDs for power, alarm and port activity.
• Designed for DIN-35 rail installation.

Technical Specifications

• Manufacturer: WAGO
• Model: 852-103
• Device type: Industrial Ethernet switch
• Switch type: Unmanaged
• RJ45 ports: 8 × 10/100Base-TX
• Fibre ports: 2 × SFP (100BASE-FX)
• Transmission speed: 10 / 100 Mbit/s
• Network standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x
• Switching method: Store-and-forward
• MAC address table: approx. 2000 entries
• Supply voltage: 9 – 48 V DC
• Power consumption: approx. 5.7 W typical
• Mounting: DIN rail (EN 60715)
• Protection rating: IP30
• Operating temperature: approx. 0 °C to +60 °C
• Housing material: Aluminium

Reliable Networking for Industrial Automation

Industrial Ethernet switches provide the communication backbone for modern automation systems. By connecting PLCs, sensors, drives and operator interfaces, switches ensure efficient data exchange across machines and production equipment.

The WAGO 852 series switches are engineered specifically for industrial environments, offering robust mechanical construction, wide power supply tolerance and reliable switching performance. Fibre-optic support also enables extended communication distances and improved immunity to electromagnetic interference in demanding installations. :contentReference

Typical Applications

• Industrial automation and factory networking.
• Machine control and process automation systems.
• PLC and HMI communication networks.
• Industrial control cabinet networking.
• Distributed automation infrastructure.

Trusted by Automation Engineers

WAGO industrial networking components are trusted worldwide by automation engineers to deliver reliable communication infrastructure in demanding industrial environments.