Energy Meter Block DM5230

LED Indicators:
The energy meter has the following three LEDs.
ON LED: Lit, when auxiliary supply (control power) is present
INTEG LED: Indicates the energy counter update. Normally the indicator blinks 8 or 10 times based on the full scale or CT/PT ratio set.

REV LED: For cross checking connections, low current (<5% load of CTR), and low power factor (PF) (<0.5 Lag or >0.8 Lead)