MCCB with integrated earth-leakage protection
The Schneider Electric C16F47E160 is a ComPacT NSX160F moulded-case circuit breaker with a MicroLogic 7.2 E electronic trip unit, rated 160 A at 40 °C. This 4-pole unit combines overload (L), short-time short-circuit (S), instantaneous short-circuit (I), and earth-leakage (R) protection in one device — the R function eliminates the need for a separate earth-leakage relay and toroid, saving panel space and wiring. Breaking capacity is 85 kA Icu at 240 V AC and 36 kA Icu at 415 V AC per IEC 60947-2, which covers most industrial distribution boards and motor control centres. The LCD display on the trip unit shows metered values, alarm logs, and maintenance indicators, so you can read load current and event history without opening the door.
Selectivity and coordination
The 36 kA Icu at 415 V AC puts this breaker in the F breaking-capacity class, which coordinates downstream with standard NSX100/160 feeders and upstream with a Compact NS630b or Masterpact NT. The MicroLogic 7.2 E trip unit offers adjustable L, S, I, and R curves, so you can set the short-time delay (S) to achieve full selectivity with downstream devices rated up to 160 A.
Panel integration
The 140 mm width and 161 mm height fit standard ComPacT NSX cutouts; the 86 mm depth leaves clearance for rear-mounted accessories. The toggle control and LCD display are accessible from the front.