The Hirschmann managed switch with the product code RSB20-0900MMM2TAABHH has three 100 Base ports and six 10/100 Base (RJ45) ports. The switch is used for Ethernet/Fast Ethernet communications. The unit has a housing with a protection rating of IP 20 and it allows for installation on a DIN Rail. The operating voltage of the unit is 24 Volts DC (18 to 32 Volts DC) and it has a current consumption rating of 365 milliamps, along with power output rating of 30.3 BTU per hour.

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Warranty: 1 year Networking-Hardware Warranty Included
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Repairs: We offer repair service for the RSB20-0900MMM2TAABHH.
Exchange: Exchange credit for your defective unit available.

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About RSB20-0900MMM2TAABHH

The Ethernet switch with the catalog number RSB20-0900MMM2TAABHH is designed and manufactured by Hirschmann and it is part of the RSB20 switch series. The unit has a variety of Ethernet ports available for different applications. The total number of available ports is 9. The switch specifically has two 100BASE-FX MM-SC ports on Uplink 1, one 100BASE-FX MM-SC port on Uplink 2, and 6 standard ports of the 10/100 BASE TX RJ45 type. The RSB20-0900MMM2TAABHH managed switch comes with a compact housing for protection and DIN Rail mounting hardware, and it needs to be configured before it is put into operation. Additionally, the device comes without a fan and it has the store and forward switching mode options. The RSB20-0900MMM2TAABHH managed Ethernet switch includes a terminal block and an operating manual. 


The Hirschmann RSB20-0900MMM2TAABHH managed switch is approved by the ISA 12.12.01 Class 1 Div. 2 standards for usage in hazardous locations and by the cUL 508 standard for the safety of equipment and for the control and management of industrial application processes. Additionally, the RSB20-0900MMM2TAABHH managed switch complies with the requirements of various standards for EMC emissions immunity, mechanical stability, and EMC interference immunity. The unit can withstand 15 g of shock for a duration of 11 milliseconds according to the IEC 60068-2-27 standards, and this is equivalent to 18 shocks. The switch meets the IEC 60068-2-6 standards for vibration immunity. The RSB20-0900MMM2TAABHH managed switch has an operating voltage rating of 24 Volts DC and it has an operating temperature range of -40 to 70 degrees Celsius (-40 to 158 degrees Fahrenheit). The storage temperature range is the same as the operating temperature. This switch requires a relative humidity level of 10 to 95%, (non-condensing) for both operation and storage.


Technical specifications


Managed Switches


2 x 100BASE-FX/MM-SC (Uplink 1) Ports, 1 x 100BASE-FX/MM-SC (Uplink 2) Ports, 6 x standard 10/100 BASE TX/RJ45 Ports

0 to 4000 meters

24 Volts DC (18 to 32 Volts DC)

365 milliamps

30.3 BTU per hour

IP 20

400 grams (0.88 pounds)

71 x 131 x 111 millimeters (2.8 x 5.1 x 4.3 inches)

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

-40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit)


Common misspellings:

Common misspellings: