Accurate RMS measurement of AC input. 4-20mAdc 2-wire loop powered. UL94V-0 Polyamide DIN-mount case. Slim profile allows maximum use of available space. Recessed terminals provide increased safety. Designed for use with current transformers. Use with any CT with 0.1A, 1A, 5A, or 0.333V output. True RMS transducer for accurately sensing current in single and 3-phase installations.