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How accurately can the circuit breakers and Current Transformers measure energy consumption?

The Leviton Load Center is designed for residential energy management and control, the Smart Breakers and Current Transformers (CTs) should not be used for billing applications.

Breaker Reading Accuracy:

  • ±5% from 1A-5A
  • ±3% from 5A-60A
  • Current is reported as whole Amps
    • Readings below 1 Amp will show as 0
  • Power is set to 0 below 6 watts

LWHEM CT Reading Accuracy:

  • ±5% from 1A-5A
  • ±3% from 5A-200A
  • Current is reported as whole Amps
    • Readings below 1 Amp will show as 0
  • Power is set to 0 below 60 watts

LSBMA CT Accessory Reading Accuracy:

  • ±5% from 1A-5A
  • ±3% from 5A-125A
  • Current is reported as whole Amps
    • Readings below 1 Amp will show as 0
  • Power is set to 0 below 6 watts

The LWHEM is designed for use with LSMMA CTs, using other manufacturer's CTs may result in incorrect readings or damage to the LWHEM.