Industrial-Grade 28-Port PoE+ Switch With 370W Power & Gigabit
Ports H3C SMB-IE4300
The H3C SMB-IE4300-28P is a rugged, industrial-grade Layer 2
managed switch designed for harsh environments, offering 24×
Gigabit PoE+ ports (30W per port) and 4× SFP fiber uplinks. With a
total PoE budget of 370W, it delivers reliable power to IP cameras,
wireless APs, and IoT devices while ensuring high-speed data
transfer. Ideal for industrial IoT, smart security, and enterprise
Wi-Fi deployments, this switch combines PoE efficiency, robust
build quality, and advanced management features.
Key Features & Benefits
✅ High-Power PoE+ Support – 24× 10/100/1000Mbps RJ45 ports with
IEEE 802.3at/af PoE+ (30W per port, 370W total) for IP phones, APs,
and cameras.
✅ Industrial Durability – Operates in -40°C to 75°C temperatures,
EMC Level 4 protection, and IP30 metal housing for factories,
warehouses, and outdoor use.
✅ Flexible Connectivity – 4× Gigabit SFP slots (Combo ports) for
fiber uplinks (up to 40km) or copper backup.
✅ Layer 2 Management – Supports VLAN, QoS, LACP, STP/RSTP, and ACLs
for secure, optimized traffic control.
✅ Silent & Energy-Efficient – Fanless design with IEEE 802.3az
(EEE) for reduced power consumption.
Technical Specifications
| Category | Details |
|---|
| Ports | 24× 10/100/1000BASE-T PoE+, 4× 1000BASE-X SFP (Combo) |
| PoE Budget | 370W total (max 30W per port) |
| Switching Capacity | 56Gbps |
| Operating Temp. | -40°C to 75°C |
| Power Input | 100-240V AC, optional redundant PSU |
| Management | Web, CLI, SNMP, H3C iMC |
| Certifications | CE, FCC, RoHS, Industrial EMC Level 4 |
Ideal Applications
Industrial IoT – Reliable connectivity for harsh factory/warehouse
environments.
Surveillance Systems – Powers IP cameras + fiber backhaul for
long-distance video.
Enterprise Wi-Fi – Supports high-density wireless APs with PoE+ and
VLAN segmentation.