Return to Home
Ferraz Fast Track


The DIRIS A20 model provides measurement of RMS values for 3 phase current plus neutral, phase to phase and phase to neutral voltage, frequency, total active, reactive and apparent power, total power factor as well providing average and maximum values of current and power. It also measures the active and reactive engergy in 4 quadrants.

[349 KB]
[Not Available]


  • Pushbuttons provide for easier operation and allows for quick access to all data
  • Backlit screen provides superior visibility in all lighting conditions
  • ASIC chip ensures superior accuracy
  • Plug and play modules allow users to purchase only functions they need
  • Compact 96 sq. mm. design with retaining clips allows for quick installation
  • Self diagnositc menu helps identify and automatically fix incorrect connections

Installation Instructions

  • AC: Voltage inputs 50 to 500VAC
    Current inputs 5 to 10000 A
  • Auxiliary power supply 120 to 350VDC (120-250VDC UL approved)
  • AC: Auxiliary power supply 120 to 350VDC (120-250VDC UL approved)
  • UL Listed
  • CSA Certified
  • Switchboards and other applications requiring energy metering and management