Schneider MCSESM123F2LG0 Modicon Managed Industrial Ethernet Switch

The Schneider Electric MCSESM123F2LG0 is a high-performance managed industrial Ethernet switch from the Modicon Networking product range, designed to provide flexible, secure, and highly available network connectivity for industrial automation systems. It features 8 copper ports (10/100BASE-TX) and 4 Gigabit SFP ports (100/1000 Mbps), allowing users to mix copper and fiber connections based on distance and environmental requirements .

As part of the Transparent Ready concept, this switch delivers enterprise-grade network management and cybersecurity features in a compact DIN-rail mountable package. It supports a comprehensive suite of redundancy protocols including HiPER Ring, RSTP, MRP, and MSTP, ensuring network availability for critical control applications .

  • Item No :

    MCSESM123F2LG0
  • Order(MOQ) :

    1
  • Payment :

    EXW
  • Product Origin :

    Germany
  • Shipping Port :

    Wuhan, Hubei, China
  • Lead Time :

    3-5 days
  • Weight :

    0.57kg
  • Key Features

    • Flexible Port Configuration – 8 × 10/100BASE-TX shielded RJ45 copper ports plus 4 × 100/1000 Mbps SFP fiber optic ports for mixing copper and fiber media

    • Comprehensive Cybersecurity Suite – Port hardening, IP/MAC-based port security, role-based access control, RADIUS assignment, HTTPS, DoS prevention, VLAN-based ACL, audit trail, SNMP logging, and TACACS+

    • Advanced Redundancy Protocols – Supports HiPER Ring, RSTP, MRP, MSTP, Link Aggregation, Link Backup, and Redundant Network Coupling; up to 50 switches in a ring

    • Dual Redundant Power Inputs – Accepts 12–24 V DC (9.6–32 V DC SELV) via removable 6-way connector, with P1/P2 power supply redundancy

    • Web-Based Configuration – HTML5 web server interface for easy setup and monitoring; supports VLAN, IGMP Snooping, QoS, port mirroring, and SNMP Traps/SYSLOG

    • Comprehensive Diagnostics – Signal contact, self-test, MAC notification, RSPAN, and sFLOW for network troubleshooting

    Technical Parameters

     
     
    Parameter Specification
    Model MCSESM123F2LG0
    Manufacturer Schneider Electric
    Product Range Modicon Networking
    Product Type Ethernet TCP/IP Managed Switch
    Concept Transparent Ready
    Copper Ports 8 × 10/100BASE-TX, shielded RJ45
    Fiber Ports 4 × 100/1000 Mbps SFP
    Max Cable Distance (Copper) 100 m (CAT 5E shielded twisted pair)
    Max Switches in Cascade Unlimited
    Max Switches in Ring 50
    Supply Voltage 12…24 V DC nominal
    Supply Voltage Limits 9.6…32 V DC SELV
    Power Consumption 9 W
    Electrical Connection Removable 6-way power supply connector
    Mounting 35 mm symmetrical DIN rail
    Dimensions (W × H × D) 73 × 142.8 × 117.6 mm
    Net Weight 0.57 kg
    Operating Temperature 0…60 °C
    Relative Humidity 1% to 95% (non-condensing)
    Protection Class IP30
    Alarm Output 1 volt-free contact, 1 A
    Certifications CE, cULus, RCM, DNV, ATEX
    Standards UL 61010-2-201, EN/IEC 61131-2, EN/IEC 62368-1, IEC 61850-3

    Core Advantages

    1. Flexible Media and Port Configuration

    The MCSESM123F2LG0 combines 8 copper ports with 4 Gigabit SFP slots, giving network designers maximum flexibility. Copper ports handle standard device connections within a cabinet, while SFP slots enable fiber uplinks for long-distance connectivity to remote cabinets, buildings, or outdoor equipment. The SFP ports support both 100 Mbps and 1 Gbps speeds, allowing gradual migration to higher-bandwidth backbones .

    2. High-Availability Network Redundancy

    The switch supports a wide range of redundancy protocols including HiPER Ring (up to 50 switches), RSTP, MRP, and MSTP. Combined with dual redundant power inputs (P1/P2) and Link Backup, this ensures the network remains operational even if a cable or power source fails, minimizing downtime in critical applications .

    3. Enterprise-Grade Security for Industrial Networks

    The cybersecurity feature set is comprehensive: role-based access control, RADIUS integration, HTTPS, DoS prevention, and VLAN-based ACLs help protect the network from unauthorized access and cyber threats. The audit trail and SNMP logging provide visibility for compliance and troubleshooting .

    4. Certified for Demanding Applications

    The switch carries DNV and ATEX certifications for use in hazardous locations and marine/offshore applications. It also meets IEC 61850-3 for substation automation, making it suitable for deployment in power utility, oil and gas, and other demanding industrial environments .

    5. Simplified Configuration and Management

    The HTML5-based web server interface allows engineers to configure and monitor the switch from any standard browser, eliminating the need for proprietary software. Support for VLAN, IGMP Snooping, QoS, port mirroring, and SNMP Traps/SYSLOG provides the management capabilities required for complex industrial networks .

    Applications

    The MCSESM123F2LG0 is deployed across industrial automation and infrastructure applications:

     
     
    Application Area Description
    Industrial Automation Control cabinet networking for PLCs, HMIs, drives, and I/O devices
    Long-Distance Connectivity Fiber uplinks to remote buildings, substations, or outdoor cabinets via SFP ports
    Manufacturing & Process Plant-floor Ethernet infrastructure requiring high availability
    Hazardous Locations ATEX and DNV certified for chemical, oil & gas, and marine environments
    Substation Automation IEC 61850-3 compliant networking for power utility applications
    SCADA and Enterprise Integration Seamless connectivity from device level to enterprise network

    Recommended Models & Related Products

     
     
    Part Number Description Notes
    MCSESM123F2LG0 8TX/4SFP Gigabit Managed Switch This item
    MCSESM103F2CS0H 8TX/2FX-SM Managed Switch, Harsh Single-mode fiber variant
    MCSESM103F2CU0H 8TX/2FX-MM Managed Switch, Harsh Multimode fiber variant
    MCSESM083F23F0 8TX Managed Switch, No Fiber Copper-only variant
    TCSEAM0100 Autoconfiguration Adapter For switch configuration

    What's Included

    • 1 × Schneider Electric MCSESM123F2LG0 Managed Switch

    Note: Power supply, DIN rail, Ethernet cables, and SFP transceivers are sold separately.

    Why Buy From Us?

    • In Stock – Ready to ship immediately

    • Fully Tested – Each unit verified for functionality

    • Warranty Included – Purchase with confidence

    • Technical Support – Configuration assistance available

    Frequently Asked Questions (FAQ)

    Q1: What is the MCSESM123F2LG0?

    It is a managed industrial Ethernet switch from Schneider Electric's Modicon Networking range, featuring 8 copper ports and 4 Gigabit SFP ports for flexible copper and fiber connectivity .

    Q2: How many ports does this switch have?

    It has 12 ports total: 8 × 10/100BASE-TX copper (shielded RJ45) and 4 × 100/1000 Mbps SFP fiber optic slots .

    Q3: What is the power supply requirement?

    It operates on 12–24 V DC nominal (9.6–32 V DC SELV) via a removable 6-way connector, with redundant power inputs (P1/P2) for high availability .

    Q4: Does this switch support network redundancy?

    Yes. It supports HiPER Ring, RSTP, MRP, MSTP, Link Aggregation, Link Backup, and Redundant Network Coupling, with a maximum of 50 switches in a ring .

    Q5: What cybersecurity features are included?

    The switch includes port hardening, IP/MAC-based port security, port-based access control, role-based access control, RADIUS assignment, HTTPS, DoS prevention, VLAN-based ACL, audit trail, SNMP logging, pre-login banner, and TACACS+ .

    Q6: Is this switch suitable for hazardous locations?

    Yes. It is certified for ATEX and DNV for marine/offshore use. The switch meets IEC 61850-3 for substation automation .

    Q7: What is the operating temperature range?

    The operating range is 0°C to +60°C (32°F to +140°F) .

    Q8: What are the dimensions and weight?

    Dimensions are 73 mm × 142.8 mm × 117.6 mm (W × H × D), and the net weight is 0.57 kg .

    Q9: What management protocols are supported?

    The switch supports Ethernet TCP/IP, SSH, HTTP, HTTPS, SNMP, RS232, SFTP, SCP, LLDP, Telnet, SNTP, Modbus TCP, OPC UA, and IEC 61850 MMS Server .

    Q10: What is the power consumption?

    The switch consumes 9 W of power .

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