Alpha 20 measures important electrical parameters in 3 phase 4 Wire, 1 phase 2 wire, 1 phase 3 wire (Split Phase) and 3 phase 3 Wire Network & replaces the multiple analog panel meters..It measures electrical parameters like AC voltage, AC Current, Frequency, Active, Reactive, Apparent Power, Import & Export Energy & many more.

Special Features:

• MODBUS (RS-485) Communication (optional)
• True RMS measurement
  
• Pulse/Limit Switch output (optional)
• 3 Line 4 Digits ultra bright LED Display (up to 9999)
• On-site Programmable CT/PT Ratios
• User selectable 3ph3wire/ 3ph4wire/ 1ph3wire (split Phase)/ single phase Network.
  
• User selectable CT Secondary 1A/5A
• User selectable PT Secondary from 100 VLL to 500 VLL
• Wide auxillary Power Supply which can accept any input between 40V – 300V AC/DC