EHG9508 Series
EHG9508 Series
EHG9508 Series
EHG9508 Series
EHG9508 Series
EHG9508 Series

EHG9508 Series

8-Port IEC 61850-3 certified Managed Gigabit switch with 2 SFP slots, IEEE1588v2 End-to-End Transparent clock, DIN-Rail mount

  • IEC61850-3 and IEEE1613 Certified, DNV.GL (former KEMA) tested
  • 6 x 10/100/1000 Mbps BASE-T(X) ports and 2 x 1000 Mbps BASE-X SFP slots
  • IEEE1588v2 Precision Time Protocol support, with nanosecond-accurate Hardware-based E2E Transparent clock and Software Boundary Clock
  • ERPS and Compatible Ring (recovery time < 20ms @ 40 switches), STP/RSTP/MSTP/MRP (Client) for network redundancy
  • Remote management over Web browser, Telnet, Serial console, Utility
  • PROFINET v2 Class B compatible
  • Provides Generic Station Descr. file for integration with SIMATIC Step 7

The EHG9508 Series is a highly reliable Gigabit Managed Ethernet Switch. Its IEC61850-3 compliance allows it to be core part in the IEC 61850 network in power substations and control centers.

The IEEE1588 Precision Time Protocol capabilities allow the deployment of EHG9508 Series in networks with stringent time Synchronization requirements. It can act as hw-assisted transparent clock providing nanosecond-accurate correction-field
packet-update and as a sw-assisted boundary clock, achieving a µs-level accuracy

The device equips up to 6 x 10/100/1000BASE-T(X) RJ-45 ports and  2 x 1000BASE-X SFP ports. With its high performance, it provides network redundancy self-recovery mechanisms is less than 20ms on full load that enables the user to build a reliable
network through a redundant ring topology. ERPS/STP/MSTP/RSTP/MRP (Client) and many other compatible rings are supported. With a Multifunctional web dashboard, its offers intelligent features such as Quality of service (QoS), Virtual LAN (VLAN), IGMP, IGMP Snooping, Port mirroring and security.

The EHG9508 Series is designed to be used in core power utilities. It provides dual redundant power inputs with Reverse Polarity Protection and two sets of relay that allow the user build up a stand-alone fault alarm system. Its wide operating temperature of -40 to 85°C and DIN-Rail mounting capacities make it suitable to be used in remote substations where harsh environment and reliability is an issue.

Priority Queues8
VLAN Table4096
MAC-Based VLAN512
VLAN ID RangeVID 1 to 4094
Trunk Group4
Static IGMP Groups128
Dynamic IGMP Groups256
MAC Table Size16K
Packet Buffer Size1.5 MB
Jumbo Frame9216 Byte
Physical Characteristics 
HousingIP30 SPCC, Black housing
Dimension (W x H x D)77 x 145 x 113 mm
Weight1,000g (AC/HV versions) / 1,200g (other)
InstallationDIN-Rail , Wall mount (optional kit)
RJ45 PortsUp to 8 10/100/1000BASE-T(X) auto negotiation speed
Fiber Optic PortsUp to 4 1000BASE-X SFP slot
LED IndicatorsPWR1, PWR2, Alarm, Run, Ring, Ring Master, RJ-45 Link/Speed, SFP Link
ConsoleRS232 (RJ45 connector)
Relay Output2 x Relay outputs with current carrying capacity of 1A @ 24 VDC
DIP SwitchesRing Control
Reset ButtonYes
Input Voltage24-57 VDC
100~240 VAC for AC series
110~370 VDC for HV Series
Input Current (System)0.63A @ 24 VDC
0.16A @ 100 VAC for AC series
0.12A @ 110 VDC for HV series
Connector5-Pin 5.08mm Lockable Terminal Block
Reverse Polarity ProtectionYes
Physical Characteristics 
HousingIP30 SPCC, Black housing
Dimension (W x H x D)77 x 145 x 113 mm
Weight1,000g (AC/HV versions) / 1,200g (other)
InstallationDIN-Rail , Wall mount (optional kit)
Physical Characteristics 
Operating Temperature-40°C~85°C (-40°F~185°F)
Storage Temperature-40°C~85°C (-40°F~185°F)
Ambient Relative Humidity5%~95% RH, 55°C (Non-condensing)
SafetyUL/CUL/IEC(CB) 61010-2-201
Industry SpecificIEC61850-3 (Including 6.10.3 Seismic test), IEEE 1613
IEC61850 DNV.GL (former KEMA) functional test
EMCFCC Part 15, Subpart B, Class A
EN 55032, EN 55024, EN 61000-3-2, EN 61000-3-3, EN 61000-6-2, EN 61000-6-4
RoHS 2Yes
IEC 61000-4-2ESDContact Discharge±8kV4
IEC 61000-4-2ESDAir Discharge±15kV4
IEC 61000-4-3RS80-1000MHz
10 V/m
IEC 61000-4-3RS1.0-3.0GHz80% AM3
IEC 61000-4-4EFTAC Power Port±4.0kV @2.5kHz4
IEC 61000-4-4EFTDC Power Port±4.0kV @2.5kHz4
IEC 61000-4-4EFTSignal Port±2.0KV4
IEC 61000-4-5SurgeAC Power Port (L-2-L)±2.0KV4
IEC 61000-4-5SurgeAC Power Port (L-2-E)±4.0KV4
IEC 61000-4-5SurgeDC Power Port (L-2-L)±1.0KV3
IEC 61000-4-5SurgeDC Power Port (L-2-E)±2.0KV3
IEC 61000-4-5SurgeSignal Port (L-2-E)±4.0KV4
IEC 61000-4-6CSAC Power Port10V, 150kHz~80MHz, 80% AM3
IEC 61000-4-6CSDC Power Port
10V, 150kHz~80MHz, 80% AM3
IEC 61000-4-6CSSignal Port10V, 150kHz~80MHz, 80% AM3
IEC 61000-4-8PFMFEnclosure100A/m continuous
1000A/m for 3S
IEC 61000-4-10Damped Oscillatory
Magnetic Field
Enclosure100A/m, 100KHz, 1MHz5
IEC 61000-4-11DIPPower Port-Drop 70% 3 times/S (1 Period)
Drop 40% 3 times/1mS (50 Period)
Drop 100% 3 times/50mS (5&50
ShockMIL-STD-810G Method 516.5
DropMIL-STD-810F Method 516.5
VibrationMIL-STD-810F Method 514.5 C-1 & C-2
Warranty5 Years
MTBF20 Years
PART NUMBERDescription 
Wall Mount Set70100000000056G45.4 x 22.8 x 1.5 mm Aluminum wall mount Kit with screw
CBL-RJ45(8P)-DB9(F)-90-C50891971GRJ45 to DB9 Female Cross Over Console Cable, 90cm
SDR-75-2450500752240001G75W/3.2A DIN-Rail 24VDC power supply 88~264VAC / 124~370VDC input
LM28-C3S-TI-N50708031GSFP Transceiver, 1250Mbps, 850nmVCSEL, Multi-mode, 550m, 3.3V, -20~85°C
LM38-C3S-TI-N50709411GSFP Transceiver, 1250Mbps, 1310nmFP, Multi-mode, 2km, 3.3V, -40~85°C
LS38-C3S-TI-N50709391GSFP Transceiver, 1250Mbps, 1310nmFP, Single-mode, 10km, 3.3V, -40~85°C
LS38-C3L-TI-N50709441GSFP Transceiver, 1250Mbps, 1310nmDFB, Single-mode, 30km, 3.3V, -40~85°C


v5.20Management Utility for Windows2016-10-2816.21 MB


v2.20EHG75XX Firmware2017-12-1413.55 MB


v1.1Datasheet EN2019-01-22486.71 KB
v1.0Datasheet EN2017-09-25499.23 KB


v1.4EHG75XX/ EMG85XX/ RHG75XX/ RHG95XX/ EHG95XX User Manual2017-09-285.41 MB

Hardware Installation Guide

v0.1EHG9508-EHG9512 Hardware Installation Guide2016-09-068.53 MB