Carlo Gavazzi Automation Spa

Carlo Gavazzi Automation Spa

- Model EM21 - Energy Meter - Pulse Output


The Carlo Gavazzi EM21 is a revolutionary combined DIN-Rail and Panel mounting meter. An extremely versatile energy meter that can be used on all types of supply (1-2-3 phase). This meter is CT-connected and has a pulse output. A full set of instrumentation values (Voltage, Current etc.) is available on the multi-line LCD display. Class 1 accuracy. The innovative design of the EM21 with its removable front LCD display means. The same unit can be used either as a DIN-rail mounting or a 72x72 mm panel-mounting energy meter.

  • Detachable LCD display;
  • Instantaneous variables readout: 3 x 3 digits;
  • Energy metering readout: 7 digits;
  • 72x72x65mm housing for both DIN-rail and panel mounting;
  • Accuracy of ±0.5% RDG (V, A);
  • Class B according to EN50470-3 (class 1 of EN62053-21), Class 2 (kvarh) according to EN62053-23;
  • For 1-phase (2 wire), 2-phase (3 wire), 3-phase (3, 4 wire, balanced, unbalanced) systems for up to 400 V LL;
  • CT connection (5A), TRMS measurement method;
  • System variables: W, var, PF, Hz, kWh, kvarh (other variables available via RS-485);
  • Single phase variables: A, VLL, VLN, PF (other variables available via RS-485);
  • 1 pulse (opto-MOSFET) output (standard);
  • RS485 port (optional);
  • Self-powered supply voltage from 3-phase mains;
  • IP50 protection degree (from the front); and
  • CE approved.

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