Office Paper Shredders

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paper shredder cross cut micro cut

The Office paper shredder is a mechanical device used to cut paper into either strips or fine particles. Government organizations, businesses, and private individuals use shredders to destroy private, confidential, or otherwise sensitive documents.

DIN Protection Class

DIN Protection class 1

Normal security for internal data
Security level: DIN P-1, DIN P-2, DIN P-3
Low level of security

DIN Protection class 2

High security for confidential data
Security level: DIN P-3, DIN P-4, DIN P-5
High level of security

IN Protection class 3

Very high protection for confidential and secret data
Security level: DIN P-4, DIN P-5, DIN P-6, DIN P-7
Very high level of security

What is DIN 66399?

DIN standard - Deutsches Institut für Normung

When you look at a paper shredder’s specifications, you often see the security level with a DIN classification next to it. For example, P-1 or P-3. But what does it mean? The DIN P-level is part of the official German DIN 66399 standard (since 2012), the international standard for secure shredding of data media developed by the Deutsches Institut für Normung (DIN), which translates to the German Institute for Standardization.

Paper Shredder Security Level DIN 66399

Security Level DIN 66399: P-1
Strip-cut Paper Shredder

DIN Protection Class: 1
Security rating: Very low
Strip size: < 2,000 mm² / 3.1 in²
Strip width: < 12 mm / 0.47 in
Strip length: Unlimited
After shredding an A4 document: 17.5 strips
After destruction the data can be easily reproduced.

Security Level DIN 66399: P-2
Strip-cut Paper Shredder

DIN Protection Class: 1
Security rating: Very low
Strip size: < 800 mm² / 1.24 in²
Strip width: < 6 mm / 0.24 in
Strip length: Unlimited
After shredding an A4 document: 35 strips
After destruction the data can be reproduced with a certain degree of effort.

Security Level DIN 66399: P-3
Cross-cut Paper Shredder

DIN Protection Class: 1 and 2
Security rating: Medium
Particle size: < 320 mm² / 0.5 in²
Particle width: < 2 mm / 0.08 in
After shredding an A4 document: 195+ particles
After destruction the data can be reproduced with considerable effort.

Security Level DIN 66399: P-4
Cross-cut / Micro-cut Paper Shredder

DIN Protection Class: 2 and 3
Security rating: Medium
Particle size: < 160 mm² / 0.25 in²
Particle width: < 6 mm / 0.24 in
After shredding an A4 document: 390+ particles
After destruction the data can be reproduced with the use of special recovery devices.