c-bus current measurement unit

C-Bus Current Measurement Unit, Accommodate Up to Four 2-Wire Current

Catalogue Number: 5504CMU
c-bus current measurement unit
RRP (Inc. GST)


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Product or component type
current measurement device
Device application
  • measure
  • monitoring
  • control
    • [Ue] rated operational voltage
      15...36 V DC
      Maximum load current
      80 A
      Number of modules
      Type of measurement
      0...80 A current on load
      Mounting support
      DIN rail
      Package 1 Weight
      237 g
      Package 1 Height
      80 mm
      Package 1 width
      115 mm
      Package 1 Length
      155 mm
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      Circularity Profile

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      Frequently Asked Questions

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      How many CT's can I have per unit for the CBUS current Measurement units (5504CMU & 5100CT80)

      4. However Multiple Current Measurements units (CMU's) can be added to the C-BUS network.

      How often is the information recorded in the C-Bus Current Measurement Units (5504CMU & 5100CT80)

      You can review your energy consumption by the hour, day, week or month.  You can also make comparisons with historical data.

      What is the warranty period for the C-Bus Current Measurement Units (5504CMU & 5100CT80)

      2 years from the date of installations (4 years when installed by an approved installer)

      What is the replacement for a 5500CN?

      The replacement for a 5500CN is 5500CN2.

      What are the C-Bus Channel Limitation for Current Measurement Unit?

      There will be limitations on how many CMU channels that can be utilized, depending on the device being used. This is due to memory limitations of those devices, as to how much historical data can be retained.

      Below is a list of the maximum CMU Channels that can be used. Each CMU has 4X Channels per unit.
      Each CT Coil has a selection range of either 0-40 and 0-80 AMP Range - This is software selectable.
      Description CMU Channels
      Schedule + 28
      Homegate 20
      CTC Colour 20
      PAC 4
      Wiser   4
      B&W/Spectrum 4

      5504CMU Current Measurement Unit,
      Some key features are:
      • Measures and reports over C-Bus a circuit’s instantaneous electrical power consumption
      • Current monitoring is performed via a split core CT (current transformer)
      • 4 channel unit (measure up to 4 electrical circuits per unit)
      • Display energy use on C-Bus 6.4 inch colour touch screen, Schedule Plus, HomeGate Software and Wiser Home Control
      • Raise C-Bus alerts and warning messages based on predefined thresholds
      • Control electrical devices based on predefined thresholds (load shed)
      • Can provide confirmation that electrical devices are operating as expected
      • DIN rail mounted, 4M wide

      For further information please visit https://www.clipsal.com/Trade/Products/ProductDetail?catno=5504CMU

      What is the code for Cbus PC USB Interface?

      The code is 5500PCU

      Is the 5500CN and the 550CN2 the same product

      The 5500CN2 is the replacement for a 5500CN

      Is part number L5504D2U suitable for dimming LED?

      Yes. The L5504D2U is suitable for LED dimming.

      Key Features

      • 4 channel Leading Edge/Trailing Edge
      • 12M DIN modules wide
      • 4 channels of 2.5A rating
      • Suitable for low voltage electronic transformers, incandescent lamps and low voltage lamps with iron core transformersl
      • automatic load sensing
      • software selectable network burden and C-Bus system clock
      • inbuilt 200mA C-Bus power supply
      • C-Bus Learn Enabled
      • for use with Leading Edge or Trailing Edge compatible low voltage transformers
      • 215 mm x 85 mm x 65 mm
      for more information, please visit:https://www.clipsal.com/Trade/Products/ProductDetail?catno=L5504D2U


      What is the part number for C-Bus network interface?

      5500CN2 is the part number for C-Bus network interface V2. For further information, please visit https://www.clipsal.com/Trade/Products/ProductDetail?catno=5500CN2

      What is the part number for a C-Bus to PC interface?

      The DIN rail mounted C-Bus PC Interface (or C-Bus PCI) is a C-Bus system device designed to provide a gateway between a PC and a C-Bus Network.
      Part number for a C-Bus to PC interface is 
      5500PC - Provides an RS-232 interface into a C-Bus Network.
      5500PCU -Provides a gateway between a PC and a C-Bus Network via USB connection.

      For further information, please visit


      Can I remotely scan a customer network with Toolkit and just a CNI (C-Bus Network Interface)?

      Yes, you will need to purchase and configure a CNI for the network, once you have set a static IP on the CNI you will need to setup Port Forwarding in the customers Modem/Router.

      You will need to create a Port forward Rule, to allow port 10001 from External to Port 10001 Internal at the IP address of the CNI.
      For help with Port Forwarding go to a service like https://www.portforward.com

      Once this has been configured, you will need to configure the confection in Toolkit to use either a CNI or Wiser connection type, enter the IP address that the ISP has assigned to that customers connection (Not the internal IP of the CNI), the Port should already be set to 10001 - Do not change this.

      The External IP can be either Dynamic or Static, if it's Static this will not change, but if Dynamic you will need to use a method to be able to check what the current External IP is before trying to connect.

      You can use a service like https://dyn.com/dns/ sign up for an account and enter those details into the customer Modem, to check the IP you will need to go to a Command Prompt (CMD) and Ping the URL address, it will respond with the current External IP address that the ISP has assigned to the customers Internet Connection