EDS-309-3M-SC-T – MOXA Unmanaged Switches

USD $ 1,204.77


Manufacturer Part Number: MOXA EDS-309-3M-SC-T
OEM Spec Ref 

The MOXA EDS-309-3M-SC-T Unmanaged Ethernet Switch is an industrial-grade networking solution designed to enhance the reliability and efficiency of your network infrastructure. Ideal for applications requiring robust performance without management complexity, this switch provides dependable connectivity for industrial environments.

Key Features:

  • Robust Industrial Design: Built to endure harsh industrial conditions, the EDS-309-3M-SC-T offers exceptional durability and reliability, ensuring continuous operation in environments with extreme temperatures ranging from -40 to 75°C.
  • Multiple Fiber Connectivity: Equipped with three multi-mode fiber ports with SC connectors, this switch supports long-distance data transmission, making it suitable for expansive industrial areas where extended coverage is required.
  • Plug-and-Play Simplicity: With no configuration needed, this unmanaged switch allows for hassle-free installation, immediately integrating into your network to provide instant connectivity and bandwidth.
  • Redundant Power Inputs: Dual 12/24/48 VDC power inputs enhance the reliability of your network by providing power redundancy, minimizing downtime and maintaining operations during power fluctuations.
  • Broadcast Storm Protection: Incorporates features to prevent network disruptions and ensure smooth operation, protecting your network from data surges and traffic bottlenecks.


  • Increased Network Uptime: The robust design and redundant power inputs reduce the risk of system failures, significantly enhancing network uptime and reliability.
  • Expanded Network Coverage: The integration of multi-mode fiber ports allows for network expansion over greater distances, ideal for large industrial settings.
  • Effortless Installation and Maintenance: As an unmanaged switch, it requires minimal setup and maintenance, saving time and reducing operational costs.
  • High Compatibility: Compatible with a wide range of industrial network devices, ensuring seamless integration into existing systems without compatibility issues.


  • Industrial Automation: Provides a stable and reliable network backbone for automated production lines, ensuring continuous communication between devices.
  • Traffic Monitoring Systems: Ideal for deployment in traffic control cabinets to manage and transmit data from traffic surveillance equipment over long distances.
  • Renewable Energy Systems: Supports the connectivity needs of wind turbines and solar panels, facilitating the collection and transmission of operational data.
  • Maritime and Offshore Platforms: Offers dependable network performance in maritime environments, supporting the operations of ships and offshore oil rigs.

The MOXA EDS-309-3M-SC-T Unmanaged Ethernet Switch stands as a testament to MOXA’s commitment to delivering reliable and efficient networking solutions tailored for the demanding needs of industrial applications.


Input/Output Interface Alarm Contact Channels 1 relay output with current carrying capacity of 1 A @ 24 VDC
Ethernet Interface 10/100BaseT(X) Ports (RJ45 connector) 6
Auto negotiation speed
Full/Half duplex mode
Auto MDI/MDI-X connection
100BaseFX Ports (multi-mode SC connector) 3
Standards IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X) and 100BaseFX
IEEE 802.3x for flow control
Switch Properties MAC Table Size 1 K
Packet Buffer Size 512 kbits
Processing Type Store and Forward
DIP Switch Configuration Ethernet Interface Port break alarm
Power Parameters Input Current 0.26 A @ 24 VDC
Connection 1 removable 6-contact terminal block(s)
Operating Voltage 9.6 to 60 VDC
Input Voltage Redundant dual inputs
12/24/48 VDC
Reverse Polarity Protection Supported
Overload Current Protection Supported
Physical Characteristics Housing Metal
IP Rating IP30
Dimensions 53.6 x 135 x 105 mm (2.11 x 5.31 x 4.13 in)
Weight 790 g (1.75 lb)
Installation DIN-rail mounting
Wall mounting (with optional kit)
Environmental Limits Operating Temperature -40 to 75°C (-40 to 167°F)
Storage Temperature -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
Standards and Certifications Safety UL 60950
UL 508
CSA C22.2 No. 60950,
EN 62368-1 (LVD)
EMC EN 55032/35
EMI CISPR 32, FCC Part 15B Class A
EMS IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 MHz: 20 V/m
IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV
IEC 61000-4-5 Surge: Power: 2 kV; Signal: 2 kV
IEC 61000-4-6 CS: 10 V
IEC 61000-4-8 PFMF
Hazardous Locations ATEX
Class I Division 2
Vibration IEC 60068-2-6
Shock IEC 60068-2-27
Freefall IEC 60068-2-32
Maritime DNV
MTBF Time 2,388,799 hrs
Standards MIL-HDBK-217F
Warranty Warranty Period 5 years
Details See www.moxa.com/warranty
Weight 0.79 kg
Dimensions 5.36 × 13.5 × 10.5 cm