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Safety class for locks

Transport

CEN (Central European Norm)

This standard defines the safety class for padlocks

  • Grade 6          Maximum security
  • Grade 5          Extra high security
  • Grade 4          High security
  • Grade 3          Medium/ high security
  • Grade 2          Standard safety
  • Grade 1          Low safety

Een hangslot moet aan alle vereisten van een klasse voldoen om tot deze klasse te behoren

Requirement

Grade

Unit

 

1

2

3

4

5

6

 

Minimum number of possible key profiles

300

1000

2500

5000

10000

20000

-

Resistance to force on the locking mechanism

-

-

4

5

10

15

Kn

Resistance to torque on the locking mechanism

-

2,5

5

15

20

30

Nm

Resistance against tensile force on the shackle

3

5

15

30

70

100

Kn

Resistance against distortion of the shackle

40

100

200

450

1200

2500

Nm


Resistance to cutting / clipping the shackle

6

15

25

35

70

100

Kn

Resistance against impact on the padlock and the shackle at low temperatures

-

-

-20

-20

-40

-40

Celsius

-

-

1250

3050

6550

7150

G

-

-

800

1000

1400

1500

Mm

Resistance against drilling of the housing and shackle

-

-

-

2

4

8

Min

Resistance against sawing of the housing and shackle

-

-

-

2

4

8

Min