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Product at a glance

Know how much you are paying, reliable and secure

Liberty 310 is a three-phase token-less smart meter for pay-as-you-go and managed credit applications. Encrypted vend codes are used to transfer credit between the online vending system and the meter. Liberty 310 maintains its own energy account, which supports multi-rate tariffs with features such as public holidays and 'friendly credit' periods. The interactive in-home display(IHD) combines convenience with flexibility by enabling key transactions such as token transfer, without the need of directly interacting with the meter. The IHD device has an inbuilt bluetooth functionality that allows it to receive the vend token from a mobile application. This information is later communicated by the IHD to the meter using a wired connection. Liberty 310 is highly resistant to magnetic fields and electro-static discharge (ESD), making it ideally suited to aggressive environments, particularly where revenue protection (RP) is a concern.


  • Domestic prepayment
  • Prepayment for small and medium enterprises (SME)
  • Landlord/tenant prepayment for residential and office complexes


  • Increased customer satisfaction and retention through provision of useful information
  • Reduced call-out costs: no disconnections overnight or at weekends
  • Reduced financial losses as consumers cannot accrue large debts
  • Minimal infrastructure cost: no need for keys or cards for vending
  • Maximum flexibility through flexible tariffs and debt recovery
  • Assists in reducing energy consumption and associated carbon dioxide emissions


  • RJ-11 connection to the in-home display, powered by the meter
  • Support for slab or time-of-use (TOD) tariffs with up to 8 rates
  • Emergency credit facility to assist consumers manage their accounts
  • Friendly credit facility to prevent disconnection during unsocial hours
  • Vending system supports debt recovery and load limiting
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