The DIRIS A-20 is a panel-mounted, energy (kWh) and power (kW) meter that communicates on a EIA RS-485 network. It measures 1, 2, or 3 phases, 50 to 600 Vac (phase/phase) and 28 to 300 Vac (phase/neutral).
The A-20 uses 5A output CTs with rated currents from 5 to 6,000A. It features a backlit LCD display and optional plug-in modules, which can provide up to 3 pulse inputs and 1 pulse output. The A-30 is can detects incorrect wiring and automatically correct CT installation errors. Instrument powered from 110 – 400 Vac, and certified to ANSI C12.20 Class 0.5, IEC 61557-12, and UL 61010. Meter details page.