The NTI's e-aclm-3p480 is a durable 3-Phase AC Voltage and
Current Monitor. This high-quality unit monitor and reports
the true RMS Voltage, RMS Current, Frequency, Active Power
and Reactive Power for any 3-phase circuit, such as the power
a building consumes. Current and power measurements require
current transformers. This unit offers an Environment
Monitoring System (SYSTEM), and the user can configure the
System to alert users of changing conditions.