NTI's e-aclm-p12 is a high-performance 12A Rated Load/15A
Maximum/110V AC Power Monitor with Relay. It can report AC
Voltage, Frequency, Power, and Current. It monitors swell and
sag duration of 0.1 seconds to 1 minute. It is designed
uniquely for measuring current surges from 300 mA to 20A.
This unit is capable of detecting user-selected spike events
with a peak higher than 50V, 250V, 500V, or 1KV.