Contact for Pricing
Overview
- 20 x 100 Mbit/s Ethernet TX ports with M12 connectors
- Fully EN 50155 compliant for railway applications
- Wide operating voltage range: 24-110 VDC (±30%)
- Extended operating temperature: -40°C to +70°C
- IP67 rated enclosure with GORE-TEX® membrane for condensation prevention
Specifications
Voltage Rating | 16.8-143 VDC |
Package Weight (Imperial) | 3.53 lbs |

UTP6AL1MBU
The TX6A™ 10Gig Cat 6A UTP Patch Cord is a 1-Meter, Blue cord constructed of 24 AWG, unshielded, twisted pair stranded, LSZH (60332-1) cable with high-performance modular plugs. Its MaTriX Tape Technology limits alien crosstalk, ensuring 10 Gb/s transmission. The tangle-free latch prevents snags and ensures a fast release, streamlining moves, adds, and changes. Enabled with RapidID, the product has pre-installed barcodes for simple port mapping using RapidID software.
CPP24FMWBLY
The Mini-Com Flush Mount Modular Patch Panel accepts up to 24 Mini-Com Modules for unshielded applications in 1 RU, and mounts to 19 inch and 23 inch racks and cabinets. The panel mounts flush with the rack and can be identified with adhesive labels and is black.
3085
Super-Safeway® Multiple Outlet Box, Extended Depth, 2-Sided, F2 (1/2") Cord Grip Body, with Flip Lids for (2) Duplex Not Included
ST4803PDGM
Surge-Trap® Surge Protective Device is a no-fuse surge suppressor. The Surge-Trap is a UL 1449 Third Edition compliant modular style surge protective device that is DIN-rail mountable featuring a fail-safe self-protected design, visual indicator and a small foot print. A remote indicator option provides status to critical control circuit. The Surge-Trap provides advanced overvoltage protection utilizing Mersen's patented TPMOV® technology without additional protection devices. 480 Volts 3P Delta system type without N-G mode, with microswitch .
CUSTOMDIN
DIN rail is a universal mounting option for electrical and industrial control products such as circuit breakers electrical supplies terminal blocks and more. The rail system is used to stabilize a wide variety of devices and products. Ordering pre-cut DIN rail helps increase productivity and decrease jobsite clutter. On-site Flexibility Streamline custom cuts DIN rail to any length so it is ready to use when it arrives on the jobsite. Additionally DIN rail can be easily removed if relocation is necessary. Features of Custom DIN Rail from Streamline - All cut DIN rail from Streamline is galvanized steel made to eliminate rusting. Streamline ensures that all custom DIN rail orders are: De-burred Custom Length Any quantity 1-1000+ Quick turnaround (typically 2 weeks or less from receipt of order) This mechanical support structure is a must for all electrical parts solutions big or small. DIN rail allows for mounting hardware easily and quickly. These durable and versatile rails make the perfect solution for all mounting applications. Save space time and money with these cost-effective mounting solutions. Order your custom cut DIN rail today!
F62ERLNSNSNM002
OM1 2 fiber, 16mm jacket, patchcord, Riser (OFNR) rated, LC duplex to SC duplex, Std IL
CESUM3-C15
Membrane plate cable entry system offers a good strain relief while maintaining IP/NEMA ingress sealing rating. The CESUM3-C15 is a Rectangular Un-Terminated Cable Entry System, 4.1" (103 mm) Long, with 8 Openings 0.12" (3.0 mm) to 0.31" (8 mm), 3 Openings 0.20" (5.1 mm) to 0.35" (9.0 mm), 4 Openings 0.3" (7.5 mm) to 0.47" (12.0 mm). Color is Black. Standard Package Quantity is 1 PC.Frequently Asked Questions
What is the operating voltage range for the Viper-120A?
The Viper-120A operates on a single model 24-110 VDC (±30%) power range.
What is the operating temperature range for the Viper-120A?
The Viper-120A is designed for extreme operational environments with an ambient temperature range of -40°C (-40°F) to +70°C (+158°F).
What is the ingress protection rating of the Viper-120A?
The Viper-120A has an IP67 protection rating, preventing ingress of water and dust.
Does the Viper-120A support managed features?
Yes, the Viper-120A is a managed routing switch powered by Westermo's WeOS, offering features like Layer 3 routing, DHCP, and VRRP.
What type of Ethernet connectors does the Viper-120A use?
The Viper-120A features 20 x 100 Mbit/s Ethernet TX ports with integrated M12 threading for ruggedized connectivity.
Installing the Westermo Viper-120A Managed Switch
Step-by-step guide for installing the Viper-120A managed switch.
Estimated time: 30m
Tools needed:
Screwdriver, Torque wrench (for M12 connectors)
Supplies needed:
Mounting hardware, Ethernet cables with M12 connectors, Power cable
- Mount the switch
Secure the Viper-120A to a suitable mounting surface or DIN rail using appropriate mounting hardware. Ensure the mounting location provides adequate ventilation and protection from direct environmental hazards not covered by the IP67 rating.
- Connect power
Connect the power cable to the DC power input terminals on the switch. Ensure the power supply is within the specified 24-110 VDC (±30%) range and that polarity is correct.
- Connect Ethernet cables
Connect your network devices to the 20 x 100 Mbit/s Ethernet ports using M12 Ethernet cables. Ensure M12 connectors are tightened to the specified torque (0.6±0.1 Nm / 0.45±0.1 lbft) to maintain the IP67 seal and vibration resistance.
- Connect management interfaces
Connect a console cable to the RS-232 console port for initial configuration or management. The USB port can be used for firmware updates or configuration backups.
- Power on and configure
Apply power to the switch. Access the switch via the console port or network interface to perform initial configuration using Westermo's WeOS.
Frequently Asked Questions about Westermo
What certifications and standards do Westermo products comply with?
Westermo products meet rigorous international standards across electromagnetic compatibility (EMC), mechanical protection, functional safety, and regulatory compliance. Key certifications include EN 61000 series for industrial immunity and emissions, EN 50121-4 for railway applications, EN 50155 for on-board rail systems, UL, CE, UKCA, EAC, and C-Tick. Our products are engineered to withstand harsh industrial environments and comply with IP protection standards, mechanical enclosure requirements, and functional safety specifications like EN 61800 and IEC 61508.
What industries and applications are Westermo products used for?
Westermo products are designed for mission-critical industrial applications across multiple demanding sectors, including transportation (railways, roads, tunnels), energy infrastructure, water treatment, and substation automation. Their robust data communication devices are engineered to operate in harsh environments where standard commercial-grade equipment would fail, providing resilient communication infrastructure for control and monitoring systems with extreme temperature tolerance and high reliability.
What are the main product lines offered by Westermo?
Westermo offers a comprehensive range of industrial data communication products across six primary product lines: Ethernet Switches, Extenders, Routers, Modems, Converters, and Accessories. These robust devices are engineered for harsh environments and mission-critical applications in industries like transport, water, and energy, with specific solutions for railways, substations, and remote network access.
What are the key features of Westermo products?
Westermo products feature robust industrial-grade data communication devices engineered for harsh environments, with key characteristics including: high electromagnetic immunity (EN 61000-6-2), industrial emission compliance (EN 61000-6-4), extensive railway and transportation approvals (EN 50121-4, EN 50155), and rigorous manufacturing quality standards. Their devices provide mission-critical communication infrastructure with advanced features like secure remote access, network resilience, and comprehensive cybersecurity protections through their proprietary WeOS operating system.
What communication protocols do Westermo products support?
Westermo products support a wide range of industrial communication protocols, including Ethernet, RS-232, RS-422, RS-485, PROFIBUS DP, M-Bus, and 20 mA current loop. Our industrial converters and communication devices are designed to provide robust connectivity across multiple communication standards, enabling seamless integration in harsh industrial environments.
What environmental ratings do Westermo products have?
Westermo products feature robust environmental ratings across multiple standards, including IP66 protection, NEMA Type 4X, and UL/CSA certifications for harsh industrial environments. Their devices are designed to withstand extreme temperatures from -40°C to 130°C, resist dust, water ingress, and provide protection against external environmental challenges in industrial settings.
What accessories are available for Westermo products?
Westermo offers a comprehensive range of accessories to complement their industrial data communication devices, including optical transceivers, power supplies, backup devices, cables, and antennas. Key accessories include SFP transceivers with transmission ranges from 2 to 120 km, industrial power supplies like PS-30 and PS-100, M12 USB backup devices, and specialized cables such as diagnostic, M12, power, and radio cables in various lengths.
How are Westermo products typically installed?
Westermo products are typically installed using WeConfig, their network configuration management tool that simplifies device setup and maintenance. The installation process involves connecting devices to the network, using WeConfig to automatically discover and configure them, and leveraging project files that store network topology information for easy replacement and reconfiguration. Devices can be mounted on DIN rails in industrial environments and are designed for robust installation in harsh conditions like transportation, energy, and water infrastructure.
What technical support does Westermo offer?
Westermo offers comprehensive technical support through multiple channels. Their engineering team provides expert guidance for selecting, configuring, and installing data communication solutions across industrial markets like transport, water, and energy. Customers can access support via their website (www.westermo.com), and for North American customers, direct support is available through Gross Automation at +1 (262) 252-1600 or [email protected].





