Overview

The WESTERMO L205-S1-EX is a managed industrial Ethernet switch with routing functionality, designed for hazardous environments. It is EX-approved and built for high-reliability communication in critical industrial automation and networking systems.

Key Features

✔ EX-approved for global hazardous area use (IECEx, ATEX, Class I Div 2)
✔ Managed Layer 3 industrial Ethernet switch
✔ Compact rugged design with no moving parts
✔ Low power consumption for industrial efficiency
✔ Advanced WeOS routing functionality
✔ Fast network recovery (20 ms ring recovery)
✔ Industrial-grade EMC, shock, and vibration resistance

Applications

• Industrial automation networks
• Oil & gas communication systems
• Hazardous area networking (Zone 1/2 environments)
• Factory Ethernet infrastructure
• Process control communication systems

Technical Specifications

• Model: L205-S1-EX
• Manufacturer: WESTERMO
• Ports: 4 x RJ-45 Ethernet (10/100 Mbit/s)
• Serial Port: 1 x RJ-45 RS-232 (50 bit/s – 115.2 kbit/s)
• Management: Managed Layer 3 switch
• Routing: Yes (WeOS platform)
• Protection Class: IP40
• Operating Temperature: -40°C to +70°C
• Mounting: DIN rail industrial mount
• Dimensions: 52 x 100 x 101 mm
• Weight: 0.7 kg
• Certifications: IECEx, ATEX, Class I Div 2
• MTBF: 677,000 hours (MIL-HDBK-217K)