It switches both line and neutral, so it's the right choice for single-phase final subcircuits where isolating the neutral is required by code or practice.
Metering built in — what the instruments tell you
This MCB carries an ammeter, voltmeter, wattmeter, reactive power meter, and frequency meter — all integrated into the 1-module-wide body. Accuracy is 0.5 % for both current and voltage measurements, referenced to IEC61557-12 and IEC62053-22/23. That means you get revenue-grade submetering on the branch without adding a separate panel meter or current transformer. For a site electrical engineer coordinating selectivity, the energy limitation class 3 rating tells you the let-through energy is low enough to preserve downstream coordination with standard MCBs.