The product code RS20-0400M4M4SDAE is used for a managed industrial Ethernet switch made by Hirschmann. The switch is designed for installation on a DIN Rail and it has a compact housing with the following dimensions (W x H x D): 47 x 131 x 111 millimeters (1.5 x 5.2 x 4.6 inches). The device has a total of 4 ports, including two 100BASE-FX/MM-ST ports for uplink 1 and uplink 2, along with 2 standard 10/100 BASE TX/RJ45 ports.

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Repairs: We offer repair service for the RS20-0400M4M4SDAE.
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About RS20-0400M4M4SDAE

The catalog number RS20-0400M4M4SDAE represents a Hirschmann Ethernet managed switch from the RS20 product series. The switch has numerous protective features and it is approved according to cUL 508 standards for the safety of industrial control equipment. The RS20-0400M4M4SDAE managed switch comes with a 6-pin terminal block for the power supply and signaling contact. The featured terminal block for this switch has a convenient plug-in design. The RS20-0400M4M4SDAE managed switch has an RJ11 socket for the V.24 interface and a USB interface for the adapter that is used for automatic configuration. The RS20-0400M4M4SDAE managed switch is rated for 26.3 BTU per hour of power output as heat and it has a current consumption rating of 321 milliamps at 24 Volts DC and 161 milliamps at 48 Volts DC. 


The operating voltage of the RS20-0400M4M4SDAE managed switch is 12/24/48 Volts DC with a maximum nominal voltage range of 9.6 to 60 Volts DC. Additionally, the unit can operate on an AC power source with a voltage rating of 24 Volts AC. The nominal AC voltage range is 18 to 30 Volts AC. This module can have a maximum operating temperature rating of 60 degrees Celsius (140 degrees Fahrenheit) and a minimum operating temperature rating of 0 degrees Celsius (32 degrees Fahrenheit). In addition to that, the environment where the switch is installed should have a relative humidity range of 10 to 95% (non-condensing). The unit has a weight of 400 grams or 0.8 pounds and it has an environmental protection rating of IP 20. The RS20-0400M4M4SDAE managed switch includes 4 ports for Ethernet communication. These 4 ports include 2 uplink ports of the 100BASE-FX/MM-ST type and 2 standard ports of the 10/100 BASE TX/RJ45 type. This managed switch comes with Layer 2 Enhanced software but it does not have a cooling fan.


Technical specifications


Managed Switches



1x 100BASE-FX/MM-ST (Uplink 1), 1x 100BASE-FX/MM-ST (Uplink 2), 2 x standard 10/100 BASE TX/RJ45 Ports

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: