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mbNETFIX - Industrial Firewall


MPN: NFH 100

Delivery: Ships in 1 to 2 weeks

Availability: in stock

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Warranty: 1 year Comprehensive support for all products

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The mbNETFIX is a self-learning, easy-to-configure, industrial firewall suited for automation applications. It can be operated in either bridge mode or gateway mode.

Bridge Mode is used for retrofitting existing networks; it protects the network and any data transfers between the WAN and LAN ports.

Gateway mode separates selected areas of a network and gives WAN and LAN interfaces separate IP addresses; this can be used to route data traffic to secondary networks.

The firewall is configured using the configuration software via the USB port, which helps keep attack vectors as small as possible.

Key benefits include:

  • Avoiding address conflicts when installing new machines
  • Easily accessing devices in an isolated network segment
  • Isolating network segments with heavy traffic

The integrated learning function monitors the traffic, and the user can then explicitly block or release connections among the IP devices directly from a learned packet table. The integrated packet filler protects the network by blocking or releasing traffic between the WAN and LAN, which can be used to determine which communications to allow or prohibit. Additionally, the configuration tool generates an RSA key pair, which replaces the classic password method and secures mbNETFIX from brute force attacks.

Learn more about mbNETFIX - Industrial Firewall

Product Ordering Summary:


Part #
Manufacturer Part # (mb Connect Line)


  • 1x WAN, 3x LAN
  • Two operation modes: Bridge mode and Gateway mode
  • Integrated learning fuction
  • RSA key authentication
  • User role management
  • Integrated packet filler
  • NAT functionalities
DIMENSIONS 69 mm x 33,5 mm x 92,5 mm (W x D x H)
INPUTS 2 digital inputs, 10 – 30 V DC (low 0 – 3,2 V DC, high 8 – 30 V DC)
INTERFACES 3x LAN interface, 1x WAN interface
MOUNTING DIN rail mounting (based on DIN EN 50022)
POWER CONSUMPTION max. 250 mA @ 24 V
    Operating Temperature: -40ºC to 75ºC (-40ºF to 167ºF)
    Storage Temperature: -40ºC to 85ºC (-40ºF to 185ºF)
VOLTAGE 10 - 30 V DC (SELV and Limited Energy circuit)


mbNETFIX Datasheet (PDF)

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