ABB range of motorized switch-fuses OSM (IEC) is suitable for remote control, offering a reliable performance under any circumstance. A compact design combined with an easy wiring and a maintenance free motor make OSM the optimal solution for installations that require remote operation. The motor is protected against overcurrent by a fuse. In addition to remote operation, the switch can be also operated manually. The switch contact design, in combination with the fuse link enables rapid fault clearance and maintains protection level even after fault occurs.