Rayleigh-Instruments-RI-18-45-P-Single-Phase-MID-Certified-45A-Meter-Rayleigh-Instruments-RI-18-45-P-P-The-Rayleigh-Instruments-RI-18-45-P-is-a-MID-approved-&-certified-three-phase-network-kilowatt-hour-active-energy-meter-It-is-housed-in-an-18mm-wide-1-module-DIN-rail-mounting-case-It-can-be-directly-connected-up-to-45-amps-&-has-pulse-output-1000-impulses-k Wh-as-standard-P-P-The-use-of-MID-certified-electricity-meters-has-been-made-mandatory-on-private-electrical-network