Energy meters that are active (KWH meters) from COUNTIS:

• With a direct connection or with the use of a current transformer, energy meters are digital instruments used to measure the amount of electrical energy consumed in single and three phase systems (CT).

3-phase kilowatt-hour meters:

Features:

• Backlit LCD panel.
• Output of pulse: 100Wh.
• Repeatability of measurement: 1%.
• Finding and fixing connectivity issues.
• Safeguarding against phase/neutral inversion.
• Voltage range for the rated supply: 230–400 VAC.
• Type 1 (IEC/EN 62053-21) and class B (EN 50470) of active energy.
• E27, E33, and E45 only are bidirectional (in terms of energy intake and output).