VdS-recognised cylinders are to be protected by doorplates accord-
ing to the following table:
Cylinder without pulling
protection VdS class
A
B, B+
Cylinder with pulling
protection VdS class
AZ
BZ, BZ+
EN
Doorplate with pulling
protection VdS class
A
B or C
Doorplate without pulling
protection VdS class
A
B or C
Doorplate with pulling
protection
Class acc. to DIN 18257
ES 1-ZA
ES 2-ZA or ES 3-ZA
Doorplate without
pulling protection
Class acc. to DIN 18257
ES 1
ES 2
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