The Husky series HUG-418S Industrial 5-port Slim Unmanaged Gigabit Ethernet Switch features 10/100/1000T Ethernet ports and one small form pluggable (SFP) port that supports Gigabit SX or LX.. HUG-418S is equipped with a relay output for an event alarm for easy troubleshooting. It offers a 12~ 48 VDC redundant powers input design and is secured with Power Polarity Reverse protection and an Overload Current Reset-table Fuse. The IP-30 housing protection, wide operating temperature of -10 to 70 and DIN rail mounting makes HUG-418S suitable for an industrial environment. The E version extends the temperature rating to -40 to 80 deg C.