28G-port full Gigabit modular managed Ethernet switches

 ● Developed according to the industrial cybersecurity standards

 ● Modular interfaces for flexible connector type combinations

 ● Support for IEEE 802.3bt PoE for up to 90 W output per port

 ● High EMC immunity compliant with IEC 61850-3 and IEEE 1613

 ● Hardware-based IEEE 1588 PTP for high-precision time synchronization

 ● Turbo Ring and Turbo Chain and STP/RSTP/MSTP for network redundancy

 ● Supports MXstudio for easy, visualized industrial network management


  • Ethernet Port

SKU: RKS-G4028-PoE-4GS-2LV-T Category:
Switch Type Layer 2 Managed
PoE Switches
Ethernet Interface 4100/1000
BaseSFP Slots
Fiber Port
PoE Ports Combo Ports Input Voltage 48 VDC
(for the PoE system)
Operating Voltage 46 to 57 VDC
(for the PoE system)
Mounting Rack mounting Dimensions 440 x 44 x 300 mm
(17.32 x 1.37 x 11.81 in)
Weight 5300 g (11.68 lb) Housing Operating Temperature -40 to 75°C (-40 to 167°F)
Warranty Period 5 years        

The RKS-G4028 Series is designed to meet the rigorous demands of mission-critical applications for industry and business, such as power substation automation systems (IEC 61850-3, IEEE 1613), railway applications (EN 50121-4), and factory automation systems. The RKS-G4028 Series’ Gigabit and Fast Ethernet backbone, redundant ring, and 24 VDC, 48 VDC, or 110/220 VDC/VAC dual isolated redundant power supplies increase the reliability of your communications and save on wiring costs

The modular design of the RKS-G4028 Series also makes network planning easy, and allows greater flexibility by letting you install up to 28 Gigabit ports with various connector types

● Meets a wide range of demands from Fast Ethernet to full Gigabit industrial networks (up to 28 Gigabit ports)

● Developed according to the IEC 62443-4-1 and compliant with the IEC 62443-4-2 industrial cybersecurity standards

● -40 to 75°C operating temperature range

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20+ Years of Industrial Experience
Lubi Electronics