Product Highlights
  • 8 x 10/100/1000 PoE+ ports - 30 Watts max. output power/port
  • 2 x GbE SFP uplink ports for long-distance connectivity to control center and cascading
  • It prioritizes transmission for industrial applications using EIP (EtherNet/IP), PROFINET, and GOOSE packets
  • Wide input power range (24V to 57V) suits different environments
  • EEE 1613 and IEC 61850-3 certifications, communication standards for safe and reliable substation operations
  • Operating temperatures -40℃~75℃ (-40°F~167°F) and IP30 Aluminum housing
  • -40°C-75°C
  • 30W
  • DIN Rail
  • IP Code30
  • PoE+
  • Redundant Power
  • Substation

SEN-9428-24V-SS is an 8-port 10/100/1000 PoE+ downlink and 2-port GbE SFP uplink unmanaged industrial grade switch designed to meet the thermal requirements and environmental conditions of surveillance and WAP Substation applications. This PoE+ switch features up to 8-port PSE (power sourcing equipment) ports with plug and play features to provide power to all the powered devices (PDs) as soon as they are connected. The fiber ports allow noise-free Gigabit Ethernet transmission for fast recovery, reliable and long-distance to other switches or the control center.

To keep a stable transmission of video and data the device uses rate limitation and QoS (Quality of Service) and prioritizes industrial applications using protocols like EIP, PROFINET, and GOOSE. The device allows users to change data priority and speed settings pushing the DIP switch.

This switch is built with industrial grade components, enclosed in an IP30 aluminum case with high thermal conductivity to protect the device from tools and hazards. The wide input power range from 24V to 57V enables the device to operate in many substation applications without extra power outlet installation needed. To ensure reliability the redundant power supply and alarm relay contact on the terminal block ensures non-stop operations and issues alerts if power fails. Designed to withstand vibration, shock, free fall, and temperatures ranging from -40℃~75℃ (-40°F~167°F) it suits demanding environments.


Redundant Power System
Powered simultaneously with two different power sources, e.g. SDR-480P-48 power supply and IRA-120/IRA-160 DIN-rail mountable AC to DC power adapter, with power failure alarm.

Innovative Power Boost Technology
24V to 57V DC power-boosting with DC-to-DC converter for high-power requiring PoE/PoE+ devices.

High-Power Budget for PoE Devices
Up to 30W per port (IEEE 802.3af/at) powering to PoE+ devices.



IEEE 802.3


IEEE 802.3u


IEEE 802.3ab


IEEE 802.3z


IEEE 802.3

Nway Auto-negotiation

IEEE 802.3x

Flow Control

IEEE 802.3af

Power over Ethernet

IEEE 802.3at

Power over Ethernet Plus

IEEE 802.1p

Class of Service



8 x 10/100/1000BASE-T (PoE RJ45)

2 x FX/GbE SFP Slots

DIP Switch

Power voltage drop alarm setting (PWR & RPS),

Broadcast strom control setting (STORM),

Port-based QoS setting (QoS on P1 & P2),

Fiber port speed setting (100FX on P9 & P10)

LED Panel



Input Voltage

Primary input: 24~57V DC

Redundant: 24~57V DC


Teminal Block

Power Consumption

System: 15W

PoE Power Budget: 124W @ 24V DC

240W @ 48V DC

Alarm Relay

One relay output with current carrying capacity of 1A @ 24V DC

Mechanical and Environment


Aluminum Case (IP30 protection)


DIN-Rail, Wall Mount/Rack-mount

Operating Temperature

-40°C~75°C (-40°F~167°F)

Storage Temperature

-40°C~85°C (-40°F~185°F)

Operating Humidity

5 to 95% RH (non-condensing)

Storage Humidity

5 to 95% RH (non-condensing)


930 g (2.1 lb)

Dimension (WxHxD)

50 x 160 x 120 mm (1.97 x 6.3 x 4.72 in)


Ordering Information

Model Description
SEN-9428P-24V-SS Umanaged 8 x 10/100/1000 PoE+ & 2 x FX/GbE SFP Switch, Substation Approval


*Specifications subject to change without prior notice.

File Name Release Date Download
SEN-9428P-24V-SS Datasheet 2022-09-05
SEN-9428P-24V-SS Photo 2021-08-27




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