74271251S, Wurth Elektronik Openable Ferrite Sleeve with key, 62 x 60 x 55mm, For EMI Suppression, Apertures: 1, Diameter 25mm, Ферритовый сердечник

Prefixing cable system facilitates the cable assembling process
Cable clamping protection
Internal security locking system with patented key technology (STAR-TEC key) prevents unauthorized removing from the cable
One key in each packaging unit
Operating temperature: -25 °C to +105 °C
Core material: NiZn
EMC ferrite for the additional EMI suppression in the frequency area from 1 MHz to 1 GHz
Fastening for round cables with diameter 3.5 mm to 25.0 mm or if winded more turns through the ferrite
Reusable because of the key technology therefore perfect for test and measuring purposes in EMC labs

Datasheet

Flammability / Burning Test / UL-File / YellowCard