Hybird breakers collect detailed electrical measurements for each monitored circuit. This article explains what each measurement means and how to interpret the data in Hybird OS.

The electrical potential difference at the breaker. For single-phase circuits in Denmark, normal voltage is approximately 230V. For three-phase circuits, voltage between phases is approximately 400V. Minor fluctuations (±10%) are normal. Sustained readings outside 207-253V may indicate a supply issue.

The flow of electrical charge through the circuit. Current is proportional to the load: more equipment drawing power means higher current. The breaker's rated current (e.g., 16A, 20A, 25A) is the maximum sustained current it can carry. Operating consistently near this limit may cause the breaker to trip.

The real power being consumed at this moment. For single-phase circuits, active power is approximately voltage multiplied by current (adjusted for power factor). This is the measurement most directly related to your electricity cost. Reported per phase for multi-phase breakers.

The component of power that oscillates between source and load without doing useful work. Inductive loads like motors, transformers, and fluorescent lighting produce reactive power. High reactive power relative to active power indicates a low power factor, which may result in additional charges from your electricity provider.

The cumulative energy consumed by the circuit over time. This is the quantity billed on your electricity invoice. One kWh equals 1,000 watts consumed for one hour. In Hybird OS, consumption is available as hourly, daily, and monthly totals. The system also tracks positive (consumed) and negative (generated, if applicable) active consumption separately.

The current flowing from the circuit to earth through unintended paths. Some leakage is normal in any electrical installation · typically below 5 mA. Electronic equipment (VFDs, LED drivers, switch-mode power supplies) may produce higher normal leakage. Readings approaching 30 mA will cause an RCBO trip (for 30 mA sensitivity devices). Leakage is a key safety indicator: rising leakage over time suggests deteriorating insulation.

The internal temperature of the breaker. Breaker temperature rises with load · this is normal. Typical operating temperatures range from ambient to approximately 40-50°C under moderate load. Sustained temperatures above the breaker's rated operating range may indicate overloading, poor terminal connections, or inadequate ventilation in the panel.

Whether the breaker is currently closed (on, allowing current to flow) or open (off, circuit disconnected). State changes can be triggered by: manual switching, remote switching via Hybird OS, overcurrent trip, or earth leakage trip.

For three-phase breakers (3P or 4P), voltage, current, active power, and reactive power are reported separately for each phase (Phase A, Phase B, Phase C). This allows detection of phase imbalances. Total active power and total reactive power are also reported as the sum across all phases.

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