The Siemens 3NE3 227 SITOR fuse link is an NH1 blade-contact, fast-acting fuse rated In 250 A with Un AC 1,000 V, and it includes a front-indicator for at-a-glance status. In Siemens catalogs it appears as 3NE3227, the 3NE3 227 variant of the SITOR fuse family used in SITOR fuse blocks and motor-control assemblies. Typical applications include protection of high-current motors, drives, and power-electronic circuits in industrial settings, where rapid interruption helps minimize damage during fault events.
