The RS20-0400M2M2SDAP switch is a Hirschmann and Belden managed industrial Ethernet switch from the OpenRail series. This switch component has 4 ports, including two 100BASE-FX ports and two standard 10/100 BASE TX ports. The unit comes with a USB interface, a V.24 interface, and a power supply/signaling contact with a plug-in terminal block with 6-pin. The unit has a power output rating of 26.3 BTU per hour and a current consumption rating of 161 milliamps (48 Volts DC) to 321 milliamps (24 Volts DC). The rated voltage of the unit is 12/24/48 Volts DC and 24 Volts AC.

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Warranty: 1 year Networking-Hardware Warranty Included
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Repairs: We offer repair service for the RS20-0400M2M2SDAP.
Exchange: Exchange credit for your defective unit available.

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About RS20-0400M2M2SDAP

The product code RS20-0400M2M2SDAP is used for an industrial switching component that is made for the management of an industrial Ethernet network. The managed Fast Ethernet switch is designed and manufactured by Hirschmann and it is part of the Compact OpenRail series. The unit mounts on a DIN rail and it has a protection class of IP 20. The RS20-0400M2M2SDAP switch has the following dimensions (WxHxD): 47 x 131 x 111 millimeters (1.8 x 5.1 x 4.3 inches). Additionally, the switch has a weight of 400 grams or 0.8 pounds. The RS20-0400M2M2SDAP managed Ethernet switch features an operating voltage of 2/24/48 Volts DC or 24 Volts AC. The nominal operating voltage ranges are 9.6 to 60 Volts DC and 18 to 30 Volts AC (redundant). The redundant power supply reduces the risks of power failures. The unit consumes 321 milliamps of current at 24 Volts DC and 161 milliamps of current at 48 Volts DC.


The Hirschmann RS20-0400M2M2SDAP managed switch has a power output rating of 26.3 BTU per hour and it complies with the industrial standards for mechanical stability, EMC interference immunity, and EMC emitted immunity. The package of the switch includes a terminal block and an operating manual. The RS20-0400M2M2SDAP managed switch includes an operating manual and a terminal block. Additionally, this switch model can be used in hazardous locations and it meets all the requirements for proper equipment use within a safety environment. The RS20-0400M2M2SDAP managed Ethernet switch has various features for diagnostics including port monitoring with an auto-disable function, overload detection, copper cable test, system information, configuration check dialog, link speed and duplex monitoring, and signal contact diagnostics. Additionally, the RS20-0400M2M2SDAP managed switch has multiple features for time synchronization, redundancy, security, and configuration.


Technical specifications


Managed Switches



1x 100BASE-FX/MM-SC (1. uplink), 1x 100BASE-FX/MM-SC (2. uplink), 2x Standard 10/100 BASE TX/RJ45

0 to 5000 meters or 0 to 4000 meters

12/24/48 Volts DC and 24 Volts AC

321 milliamps

161 milliamps

26.3 BTU per Hour

IP 20

400 grams (0.8 pounds)

47 x 131 x 111 millimeters (1.8 x 5.1 x 4.3 inches)

0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit)

-40 to 70 degrees Celsius (-40 to 158 degrees Fahrenheit)


Common misspellings:

Common misspellings: