EMG8305 Series

5-Port EN 50155 Certified Railway IP67 Waterproof Unmanaged Gigabit Switch

  • 5 x 10/100/1000 BASE-T(X) ports, M12 connector (A or X coding)
  • EN50155, EN50121-4 Railway Track-side and on-board certified
  • UL 61010-2-201 certified
  • Redundant power input 12~48 VDC
  • Ruggedized IP67 aluminum case design
  • Works from -40°C~75°C
  • Prioritizes Profinet packets according to 802.1p
EMG8305 Series
EMG8305 Series
EMG8305 Series
EMG8305 Series
EMG8305 Series
EMG8305 Series

EMG8305 is a rugged 5 port IP67-rated Unmanaged Ethernet switch with five 10/100/1000BASE-T(X) M12 ports, suitable and certified for railway applications. Its modern, slim and flat design makes the device installation possible on virtually any surface without requiring large areas.

It provides resistance towards dust, dirt, liquid, and vibration making it suitable for the toughest industrial applications even without the need of additional housing. Its operating temperature ranges from -40°C to 75°C.

EMG8305 Unmanaged Switch is compliant with the essential sections of EN 50155, covering operating temperature, power input voltage, EMC and vibration. Its UL61010-2-101 certification confirms the device’s reliability, safety and performance.

Switch Properties 
Processing SchemeStore-and-Forward
MAC Address Table8096
Packet Buffer Size1Mbits
Jumbo Frame10k Bytes
StandardsIEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X)
IEEE 802.3ab for 1000BaseT
IEEE 802.3x for Flow Control, back pressure flow control
Transmission Rate10/100/1000 Mbps
Flow ControlBack pressure and pause frame - based flow control schemes
Input Voltage12-48 VDC
Input Current 0.42A @ 12 V
Max Power Consumption5W
Connector5-Pin A-Code Male M12
Physical Characteristics 
HousingIP67 protection according to EN 60529, Aluminum Housing
Dimension (W x H x D)105.7 x 196 x 48.3 mm
InstallationWall mount (optional kit)
Environmental Limits 
Operating Temperature-40°C~75°C (-40°F~167°F)
Storage Temperature-40°C~85°C (-40°F~185°F)
Ambient Relative Humidity5%~95%, 55°C (Non-condensing)
SafetyUL/IEC/EN 61010-1, UL/IEC(CB) 61010-2-201
Rail TrafficEN50155; EN50121-4
EMCFCC Part 15, Subpart B, Class A
EN 55032, EN 55024, EN 61000-3-2, EN 61000-3-3, 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 61000-4-3RS80-1000MHz20 V/m3
IEC 61000-4-3RS1.4-2.1GHz10 V/m3
IEC 61000-4-3RS2.1-2.7GHz5 V/m3
IEC 61000-4-4EFTDC Power Port±4.0KV3
IEC 61000-4-4EFTSignal Port±2.0KV3
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)±2.0KV3
IEC 61000-4-6CS0.15-80MHz10 V rms3
IEC 61000-4-8PFMFEnclosure300A/m3
Warranty5 Years
MTBF32.70 Years (according to MIL-HDBK-217F)
EMG8305-M12-A1P1EMG8305A001G5A coding
EMG8305-M12-X1P1EMG8305X001G5X coding
DIN-Rail Kit 70100000000062G DIN Rail accessories with screw
M12 Sealing Cap Plastic3990079G Plastic sealing cap for unoccupied M12 plugs (1560251)
M12 Sealing Cap Metal59908571GMetal sealing cap for unoccupied M12 plugs (1430488)
M12 screw plug Plastic3990078GPlastic Screw Locking for unoccupied M12 sockets (1553129)
M12 screw plug Metal59908561GMetal Screw Locking for unoccupied M12 sockets (1503302)


Version Name Time Size Download
v1.0 Datasheet EN 2023-09-26 393.24 KB
v0.9 Datasheet EN 2018-05-21 476.39 KB
v0.8 Datasheet EN 2017-09-25 481.17 KB

Hardware Installation Guide

Version Name Time Size Download
v1.0 EMG8305 Hardware Installation Guide 2017-01-06 4.79 MB

Test reports

Version Name Time Size Download
EMG8305 Declarations of Conformity 2023-03-20 287.45 KB

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