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Industrial-Grade Gigabit Ethernet Switch With PoE+ & Wide-Temp
Support - H3C LS-IE4120U-8E-H1
The H3C LS-IE4120U-8E-H1 is a rugged 8-port Gigabit Ethernet switch designed for harsh industrial environments. Featuring IEEE 802.3at PoE+ support, wide-temperature operation (-40°C to 75°C), and IP40 protection, this switch ensures reliable connectivity in manufacturing, transportation, and energy applications.
✔ Industrial Durability – Operates in extreme temperatures
(-40°C~75°C) with high EMC immunity (≥Level 4), vibration, and
shock resistance.
✔ Flexible Power Options – Supports PoE+ (30W per port) for IP
cameras, wireless APs, and IoT devices.
✔ Fast Redundancy – ERPS (Ethernet Ring Protection Switching)
ensures <20ms failover for mission-critical networks.
✔ Secure & Manageable – Features SSH/SSL encryption, ACLs, and
802.1X authentication for cybersecurity.
✔ Energy Efficient – Complies with IEEE 802.3az (Energy Efficient
Ethernet) to reduce power consumption.
| Parameter | Specification | 
|---|---|
| Ports | 8x 10/100/1000BASE-T (RJ45) | 
| PoE Support | IEEE 802.3at PoE+ (30W/port) | 
| Operating Temp. | -40°C to 75°C | 
| Protection | IP40, DIN-rail mounting | 
| Redundancy | ERPS, STP/RSTP/MSTP | 
| Power Input | 24V DC or 110-240V AC (varies by model) | 
| Management | Web, CLI, SNMP, H3C iMC | 
Factory Automation – Connects PLCs, HMIs, and sensors in smart manufacturing.
Transportation – Complies with EN 50155 (railway) & EN 50121-4 (EMC).
Smart Grids – Meets IEC 61850-3 & IEEE 1613 for power substations.
The H3C LS-IE4120U-8E-H1 combines military-grade durability, Gigabit speed, and PoE+ convenience, making it a top choice for industrial networking. Its fast ring network recovery (<20ms) and secure remote management ensure uninterrupted operations in mission-critical environments.
Best for: Industrial IoT (IIoT), Oil & Gas, Rail Transit, and Outdoor Deployments.