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.
Key Features & Benefits
✔ 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.
Technical Specifications
| 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 |
Ideal Applications
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.
Why Choose This Switch?
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.
