3 phase current meter icon
  wireless 20 Amp three-phase current meter

Wireless Three-Phase Current Meters

Powerful prevention, significant savings

Building owners and machine operators count on Monnit’s ALTA® Wireless 3-Phase AC Current Meters to identify irregularities with equipment and power supplies, preventing minor issues from becoming costly problems.

Available in 20A, 150A, and 500A industrial-grade devices, these current meters track incoming power. Get an instant sensor alert via text, email, or call if any of the following deviate from your preset thresholds in any of the three phases:

  • Amp hours
  • RMS current (min, max, and avg)
  • Duty cycle for each phase
  • Combined amp hours of all phases

Monnit benefits

  • Simple, safe install: Wrap the meters’ current transformers around your three-phase power system's wires—no direct power connections needed.
  • In-depth data: Comprehensive sensor data is delivered in easy-to-share formats for analysis and budgeting.
  • Machine health & performance insight: Know if a machine is operating more than it should or if consumption spikes.
  • No more surprises: Accurately project electricity bills and use data to pinpoint ailing machinery.

Within 15 minutes, any Monnit 3-phase current meters below will help trim electrical bills and protect productivity. Learn more about incorporating remote monitoring solution into your operations today.



1200+ ft. Range
Up to 12 Years of Battery Life
Automated Data Logging


Unbeatable Range Eases Networking
Dependable, Worry-free Operation
Streamlined Compliance & Data Analysis


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