The additional sensors will be needed for two or three phase power supplies.
This is an add-on to the Efergy Meter and cannot be used without the original Efergy Meter or Efergy Elite.
For 3 phase supply you will need 2 additional clips
Price : £9.95
UK Standard delivery cost is £2.99.
For other European countries the shipping price wil be calculated at checkout.
For advice or to call us over the phone call us on +44 (0)1637 854717.
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