The powershred 63cb cross cut shredder features jam blocker technology jam blocker blocks jams before they start the safe sense technology stops shredding when hands touch the paper opening the energy savings system provides optimal energy efficiency 100 of the time in use and out of use the 63cb shreds 10 sheets per pass into 4mm x 50mm cross cut particles security level 3 shreds for up to 8 minutes before a 20 minute cool down period is needed features a 19 litre pull out bin 460 x