断路器的限流技术是当短路发生时，依靠限流型保护装置的快速分断从而使实际故障电流大大低于预期短路电流。
OSM系列小型断路器具有优良的限流能力。例如，对于额定值6A的断路器当出口处预期短路电流为5000A时，其实际通过断路器的电流将限制到不大于350A。即只有预期短路电流的7%。断路器的限流特性将大大减小短路时产生的热效应，减小了故障对系统和设备的影响，保护了电缆和断路器本身。
3P 1 6 OSMC32N3B1 OSMC32N3C1 OSMC32N3D1
2 6 OSMC32N3B2 OSMC32N3C2 OSMC32N3D2
3 6 OSMC32N3B3 OSMC32N3C3 OSMC32N3D3
4 6 OSMC32N3B4 OSMC32N3C4 OSMC32N3D4
6 6 OSMC32N3B6 OSMC32N3C6 OSMC32N3D6
10 6 OSMC32N3B10 OSMC32N3C10 OSMC32N3D10
16 6 OSMC32N3B16 OSMC32N3C16 OSMC32N3D16
20 6 OSMC32N3B20 OSMC32N3C20 OSMC32N3D20
25 6 OSMC32N3B25 OSMC32N3C25 OSMC32N3D25
32 6 OSMC32N3B32 OSMC32N3C32 OSMC32N3D32
40 6 OSMC32N3B40 OSMC32N3C40 OSMC32N3D40
50 6 OSMC32N3B50 OSMC32N3C50 OSMC32N3D50
63 6 OSMC32N3B63 OSMC32N3C63 OSMC32N3D63