Industrial-Grade Gigabit Ethernet Switch - 28-Port , Wide Temp &
Redundant Power For Harsh Environments
The H3C LS-IE4320-28S is a rugged 28-port Gigabit Ethernet switch
designed for industrial applications requiring high reliability,
wide temperature tolerance, and secure connectivity. Ideal for
smart manufacturing, power utilities, transportation, and oil &
gas, this switch ensures stable performance in extreme conditions
with -40°C to 75°C operating range and dual power redundancy
(optional) for uninterrupted operation.
Key Features & Benefits
✔ Industrial Durability – Fanless design, IP40 protection, and high
EMC resistance for harsh environments.
✔ High-Speed Connectivity – 24x 10/100/1000BASE-T ports + 4x SFP
fiber slots for flexible copper/fiber uplinks.
✔ Network Reliability – Supports STP/RSTP/MSTP, LACP, VLAN, QoS,
and IEEE 1588v2 for precise timing in industrial automation.
✔ Enhanced Security – ACLs, port security, and storm control to
prevent unauthorized access and network attacks.
✔ Easy Deployment – DIN rail or wall mounting for space-saving
installation in control cabinets.
Technical Specifications
| Category | Details |
|---|
| Ports | 24x Gigabit RJ45 + 4x SFP |
| Power Supply | 100-240V AC or 12-48V DC (dual redundant optional) |
| Operating Temp | -40°C to 75°C |
| Switching Capacity | 56 Gbps |
| Protocols | VLAN, STP/RSTP/MSTP, LACP, QoS, IGMP Snooping |
| Security | ACL, Port Security, DoS Protection |
| Certifications | CE, FCC, Industrial EMC |
Why Choose the H3C LS-IE4320-28S?
This industrial Ethernet switch delivers enterprise-grade
performance in extreme conditions, making it perfect for OT
(Operational Technology) networks. Its wide temperature resistance,
redundant power options, and robust security ensure minimal
downtime in mission-critical applications.
Ideal for:
Factory automation (PROFINET/EtherNet/IP support)
Smart grid & substation communications
Rail signaling & roadside networks
Outdoor & dusty industrial sites
Upgrade to a future-proof industrial networking solution with the
H3C LS-IE4320-28S—where reliability meets high-speed connectivity.
