HEST12M-VHW-SE, Din-rail Managed, 12 x 10/100BaseT Ethernet Port (M12 Connector), IP67 protection

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EN50155 Industrial Ethernet Layer 2 Switch
HEST12M switches are designed for the backbone communications for the critical onboard train communications. Bridged between multiple and complex industrial networks, HEST12M switches are designed to ensure that robust and highly efficient network communications are guaranteed for the critical tasks within a train.

Compliant with IEC61375/EN51055 and EN50121 standards, and working under extreme temperatures (-40°C to +75°C), these highly compactly-designed industrial switches can meet any hazardous environments while providing robust communication requirements for critical applications such as train traction and/or braking command requirements through these reliable devices.

Support up to 12 10/100BaseT(X) M12 Ethernet ports, and dual-powered by  9-160VDC power supplies, this line of switches provides a full set of network data management functions such as redundancy recovery, VLAN, QoS, IGMP, Trunking, SNMP, etc., in addition to the hardened M12 connector and IP67 enclosure protection. These devices have an average MTBF of 438,000 hours. They all can be wall-mounted.


IEEE Standards

IEEE802.3、IEEE802.3u、IEEE802.3z 、 IEEE802.3x、IEEE802.3ad、IEEE802.1p、 IEEE802.3ab、IEEE802.1Q、IEEE802.1d、 IEEE802.1s、IGMP Snooping

Processing Type Store and Forward
MAC Address 16k
L3 table 4k
Rated Voltage

Ethernet port 12 x 10/100M
Power supply 1 x Power Supply Port, M12 connector

Enclosure IP67,High Strength Aluminium
Installation Wall mounted
Dimension L* W * H: 177*100*59mm
Weight 1000g
Power 20W(MAX)
Cooling Fanless

Environment Limits
Storage Temperature -40~85°C
Operation Temperature -40~75°C
Relative Humidity 5~95%RH
Ingress Protection IP67
MTBF Above 30 Years

Rail Traffic EN50155, EN50121-3-2, EN50121-4
EMI FCC Part 15 Subpart B Class A
EN 55022 Class A FCC Part15
CISPR(EN55022) Class A
EMC IEC61000-4-2/EN61000-4-2 (ESD)
IEC61000-4-3/EN61000-4-3 (RS)
IEC61000-4-4/EN61000-4-4 (EFT)
IEC61000-4-5/EN61000-4-5 (Surge)
IEC61000-4-6/EN61000-4-6 (CS)
IEC61000-4-8/EN61000-4-8 (PMS)
IEC61000-6-4/EN61000-6-4 (RE, CE)
FCC Part 15 Subpart B Class A, EN55022 Class A
Enviroment IEC60068-2-1/EN60068-2-1
Freefall IEC60068-2-32/EN60068-2-32
Vibration IEC61373/EN61373, Category 1 Class A


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