A unique single-phase CT-operated MID approved meter, ideal for retro-fit metering when used with a split-core CT. This A42 Series meter from ABB is a compact, MID Approved, single-phase, Class 1 (MID Cl. B), 1A/5A CT-operated kWh meter with pulse output. Its small size (4 DIN) and DIN-rail mounting makes it suitable for installation in distribution boards and small standard enclosures. This model is one of the ABB Steel range and measures active energy and instrumentation values including Voltage, Current, Power and Power Factor, which are available on its large backlit LCD pixel display. An optional Serial Communications Adapter can be fitted adjacent to the meter to provide M-Bus communications.