SIST EN 1303:2005
(Main)Building hardware - Cylinders for locks - Requirements and test methods
Building hardware - Cylinders for locks - Requirements and test methods
This document applies to cylinders for locks normally used in buildings, which are designed to be used with cylinders.
This document specifies performance and other requirements for the strength, security, durability, performance and corrosion resistance of cylinders and their original keys. It establishes one category of use, three categories of durability, two categories each for fire and corrosion resistance all based on performance tests as well as six grades of key related security based on design requirements and three grades on performance tests that simulate attack.
This document includes tests of satisfactory operation at temperatures between - 20 °C and + 80 °C. It specifies test methods to be used on cylinders and their protective measures linked with these cylinders and recommended by the manufacturer.
Corrosion resistance is specified by reference to the requirements of the European Standard EN 1670 on the protection of corrosion for locks and building hardware, see annex B.
The suitability of cylinders for use on fire or smoke-door assemblies is determined by fire performance tests conducted in addition to the performance testing required by this standard. Since suitability for use on fire doors is not essential in every situation, the manufacturer has the option to state if the cylinder conforms to these additional requirements or not. Unless otherwise specified cylinders shall conform to the requirements specified in the relevant European Standard EN 1634-1 or prEN 1634-2, see annex A.
Assessment of fire resistance of grade 1 doors is beyond the scope of this document.
On occasions there may be a need for additional functions within the design of the cylinder. Purchasers should satisfy themselves that the products are suitable for their intended use. Normative references
Baubeschläge - Schließzylinder für Schlösser - Anforderungen und Prüfverfahren
Dieses Dokument gilt für Schließzylinder für solche Schlösser, die üblicherweise in Gebäuden verwendet
werden, und die für den Einbau von Schließzylindern vorgerichtet sind.
Dieses Dokument enthält Festlegungen für die Leistungsfähigkeit sowie weitere Anforderungen an Festigkeit,
Verschlusssicherheit, Dauerhaftigkeit und Korrosionsbeständigkeit von Schließzylindern und ihren
Originalschlüsseln. Sie legt eine Gebrauchsklasse fest, drei Klassen für Dauerhaftigkeit, jeweils zwei Klassen
für Feuerwiderstand und Korrosionsbeständigkeit unter Zugrundelegung von Funktionsprüfungen, außerdem
sechs Klassen für Verschlusssicherheit unter Zugrundelegung von Konstruktionsanforderungen und drei
Klassen von Prüfungen der Funktionsfähigkeit, die mechanischen Angriff simulieren.
Dieses Dokument beinhaltet Prüfungen über die befriedigende Funktionsfähigkeit bei Temperaturen zwischen
20 °C und + 80 °C. Sie enthält Festlegungen der Prüfverfahren von Schließzylindern und der von den
Herstellern empfohlenen Schutzeinrichtungen für solche Schließzylinder.
Die Korrosionsbeständigkeit wird durch Verweisung auf die Anforderungen der Europäischen Norm EN 1670
über den Korrosionsschutz von Schlössern und Baubeschlägen, siehe Anhang B, festgelegt.
Die Eignung von Schließzylindern für die Verwendung in Feuer- oder Rauchschutztüren wird durch die
Prüfung der Feuerwiderstandsfähigkeit bestimmt, die zusätzlich zu der Prüfung der Funktionsfähigkeit nach
diesem Dokument gefordert wird. Da die Gebrauchseignung an Feuerschutztüren nicht in jeder Situation
erforderlich ist, hat der Hersteller die Wahl, anzugeben, ob der Schließzylinder diese zusätzlichen
Anforderungen erfüllt oder nicht. Wenn dies verlangt wird, gelten für Schließzylinder die in EN 1634-1 oder
prEN 1634-2 angegebenen Anforderungen, siehe Anhang A.
Quincaillerie pour le bâtiment - Cylindres de serrures - Exigences et méthodes d'essai
La présente Norme européenne s'applique aux cylindres pour les serrures normalement utilisées dans le bâtiment et qui sont conçues pour fonctionner avec des cylindres.
Cette Norme européenne spécifie la performance et autres exigences relatives a la résistance, la sécurité, l'endurance, la performance et la résistance a la corrosion des cylindres et de leurs clés d'origine. Elle établit une catégorie d'utilisation, trois catégories d'endurance, deux catégories, chacune pour la résistance au feu et a la corrosion, toutes basées sur des essais de performance ainsi que six grades de sécurité des biens relative a la clé basés sur des exigences de conception et trois grades basés sur des essais de performance simulant une attaque.
Cette Norme européenne inclut des essais de bon fonctionnement a des températures comprises entre - 20 °C et + 80 °C. Elle spécifie les méthodes d'essai pour les cylindres et les dispositifs de protection correspondants recommandés par le fabricant.
La résistance a la corrosion est spécifiée par référence aux exigences de la Norme européenne EN 1670 relative a la protection contre la corrosion des serrures et de la quincaillerie pour le bâtiment, voir Annexe B.
L'aptitude des cylindres pour une utilisation sur des blocs-portes coupe-feu et/ou étanches aux fumées est déterminée par des essais de performance au feu qui s'ajoutent aux essais de performance requis dans la présente norme. Lorsque l'aptitude a une utilisation sur des portes coupe-feu n'est pas primordiale dans chaque situation, le fabricant a le choix de définir si le cylindre doit etre conforme a ces exigences additionnelles ou non. Sauf indications contraires, les cylindres doivent etre conformes aux exigences spécifiées dans la Norme européenne appropriées, EN 1634-1 ou prEN 1634-2, voir Annexe A.
Stavbno okovje - Profilni cilindri za ključavnice – Zahteve in preskusne metode
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 1303:2005
01-september-2005
1DGRPHãþD
SIST EN 1303:2000
6WDYEQRRNRYMH3URILOQLFLOLQGUL]DNOMXþDYQLFH±=DKWHYHLQSUHVNXVQHPHWRGH
Building hardware - Cylinders for locks - Requirements and test methods
Baubeschläge - Schließzylinder für Schlösser - Anforderungen und Prüfverfahren
Quincaillerie pour le bâtiment - Cylindres de serrures - Exigences et méthodes d'essai
Ta slovenski standard je istoveten z: EN 1303:2005
ICS:
91.190 Stavbna oprema Building accessories
SIST EN 1303:2005 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 1303:2005
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SIST EN 1303:2005
EUROPEAN STANDARD
EN 1303
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2005
ICS 91.190 Supersedes EN 1303:1998
English version
Building hardware - Cylinders for locks - Requirements and test
methods
Quincaillerie pour le bâtiment - Cylindres de serrures - Baubeschläge - Schließzylinder für Schlösser -
Exigences et méthodes d'essai Anforderungen und Prüfverfahren
This European Standard was approved by CEN on 10 January 2005.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the Central Secretariat or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1303:2005: E
worldwide for CEN national Members.
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SIST EN 1303:2005
EN 1303:2005 (E)
Contents
Page
Foreword. 4
1 Scope. 6
2 Normative references . 6
3 Terms and definitions. 7
4 Requirements . 7
4.1 General. 7
4.2 Key strength . 7
4.3 Durability. 7
4.4 Door mass. 8
4.5 Fire resistance. 8
4.6 Safety. 8
4.7 Corrosion resistance . 8
4.7.1 General. 8
4.7.2 Operation at extremes of temperature. 8
4.8 Key related security. 8
4.8.1 General. 8
4.8.2 Minimum number of effective differs. 9
4.8.3 Minimum number of movable detainers.9
4.8.4 Maximum number of identical steps. 9
4.8.5 Direct coding on key. 10
4.8.6 Operation of security mechanism . 10
4.8.7 Torque resistance of plug/cylinder relevant to key related security. 10
4.9 Attack resistance . 10
4.9.1 Resistance to attack by drilling . 10
4.9.2 Resistance to attack by chisel. 11
4.9.3 Resistance to attack by twisting . 11
4.9.4 Resistance to attack by plug / cylinder extraction . 11
4.9.5 Torque resistance of plug/cylinder relevant to attack resistance . 11
5 Test methods. 13
5.1 General. 13
5.2 Key strength . 13
5.3 Durability tests . 14
5.4 Door mass. 15
5.5 Fire resistance. 15
5.6 Safety. 15
5.7 Corrosion resistance (Test of operation at extremes of temperatures). 15
5.8 Key related Security. 15
5.8.1 Minimum numbers of effective differs. 15
5.8.2 Minimum number of movable detainer. 15
5.8.3 Maximum number of identical steps. 15
5.8.4 Direct coding on key. 15
5.8.5 Operation of the security mechanism. 15
5.8.6 Torque resistance of plug and/or cylinder .16
5.9 Attack resistance . 16
5.9.1 Resistance to drilling. 16
5.9.2 Resistance to attack by chisel. 16
5.9.3 Resistance to attack by twisting . 17
5.9.4 Resistance to attack by plug/cylinder extraction . 17
6 Classification. 18
2
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EN 1303:2005 (E)
6.1 General. 18
st
6.2 Category of use (1 digit). 18
nd
6.3 Durability (2 digit). 18
rd
6.4 Door mass (3 digit) . 18
th
6.5 Fire resistance (4 digit) . 18
th
6.6 Safety (5 digit) . 18
th
6.7 Corrosion resistance and temperature (6 digit) . 18
th
6.8 Key related security (7 digit). 19
th
6.9 Attack resistance (8 digit) . 19
7 Marking . 19
Annex A (normative) Cylinders for use on fire/smoke resistant doors. 20
Annex B (normative) Corrosion resistance and temperature . 21
Annex C (normative) Test apparatus illustrations. 22
Annex D (informative) Test sequence to minimise the number of samples to be tested
some samples can be reused for several tests. . 27
Annex E (informative) Standard test cycle. 28
Bibliography . 29
3
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SIST EN 1303:2005
EN 1303:2005 (E)
Foreword
This document (EN 1303:2005) has been prepared by Technical Committee CEN/TC 33 “Doors,
windows, shutters, building hardware and curtain walling”, the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by August 2005, and conflicting national standards shall
be withdrawn at the latest by August 2005.
This document supersedes EN 1303:1998.
The European Federation of Associations of Lock and Builders Hardware Manufacturers, ARGE,
collaborated in the drafting of this European Standard.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia,
Spain, Sweden, Switzerland and United Kingdom.
4
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EN 1303:2005 (E)
Introduction
The aim of the test methods described in this document is to keep human influence on the test results
to a minimum, thus improving reproducibility.
5
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SIST EN 1303:2005
EN 1303:2005 (E)
1 Scope
This document applies to cylinders for locks normally used in buildings, which are designed to be
used with cylinders.
This document specifies performance and other requirements for the strength, security, durability,
performance and corrosion resistance of cylinders and their original keys. It establishes one category
of use, three categories of durability, two categories each for fire and corrosion resistance all based
on performance tests as well as six grades of key related security based on design requirements and
three grades on performance tests that simulate attack.
This document includes tests of satisfactory operation at temperatures between - 20 °C and + 80 °C.
It specifies test methods to be used on cylinders and their protective measures linked with these
cylinders and recommended by the manufacturer.
Corrosion resistance is specified by reference to the requirements of the European Standard EN 1670
on the protection of corrosion for locks and building hardware, see annex B.
The suitability of cylinders for use on fire or smoke-door assemblies is determined by fire performance
tests conducted in addition to the performance testing required by this standard. Since suitability for
use on fire doors is not essential in every situation, the manufacturer has the option to state if the
cylinder conforms to these additional requirements or not. Unless otherwise specified cylinders shall
conform to the requirements specified in the relevant European Standard EN 1634-1 or prEN 1634-2,
see annex A.
Assessment of fire resistance of grade 1 doors is beyond the scope of this document.
On occasions there may be a need for additional functions within the design of the cylinder.
Purchasers should satisfy themselves that the products are suitable for their intended use.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
EN 1634-1, Fire resistance tests for door and shutter assemblies - Part 1: Fire doors and shutters
prEN 1634-2, Fire resistance tests for door and shutter assemblies - Part 2: Fire door hardware -
Building hardware for fire resisting doorsets and openable windows
EN 1670:1998, Building hardware - Corrosion resistance - Requirements and test methods
EN 1906, Building hardware - Lever handles and knob furniture - Requirements and test methods
6
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EN 1303:2005 (E)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply:
3.1
cylinder
device, usually distinct from its associated lock or latch, operated by a key
3.2
effective differ
difference between cylinders of similar design, achieved only by the movable detainer, which allows
each cylinder to be operated only by its own key. The number of effective differs is equal to the
number of theoretical differs after deduction of the differs suppressed by the manufacturer due to
technical constraints and those differs suppressed in accordance with the restraints of 4.8.4
3.3
key
separate device corresponding to the cylinder, which can mechanically operate the cylinder
3.4
keyway
aperture extending along the whole or part of the length of the plug into which the key is inserted
3.5
moveable detainer
part of the mechanism of a cylinder, which should first be moved by the key into a pre-determined
position before the key and/or plug can move
3.6
plug
part of a cylinder that can be moved when the proper key is used
3.7
steps
cuts in the surface of a bit or blade which operates movable detainers
4 Requirements
4.1 General
NOTE The structure of this clause reflects the classification in accordance with clause 6.
4.2 Key strength
When tested in accordance with 5.2, the key shall not break under the applied maximum torque of 2,5
Nm.
After the test, the key shall be capable of being removed from the cylinder and re-used to operate the
same cylinder with a torque not exceeding 1.5 Nm.
4.3 Durability
When tested in accordance with 5.3, it shall be possible to operate the cylinders with a new original
key with a torque not exceeding 1.5 Nm after the number of test cycles specified in Table 1.
7
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EN 1303:2005 (E)
Table 1 — Number of cycles
Durability Number of cycles
Grade 4 25 000
Grade 5 50 000
Grade 6 100 000
4.4 Door mass
No requirement.
4.5 Fire resistance
Fire resistance shall be in accordance with annex A.
4.6 Safety
No requirement.
4.7 Corrosion resistance
4.7.1 General
Cylinders for corrosion resistance grade A or C (high) shall conform to the corrosion resistance
requirements of grade 3 of EN 1670 as a minimum (see annex B).
This corrosion test shall apply to functionality only.
No distinction is made between the inside and the outside of cylinder and/or door.
After the corrosion test, the cylinder shall operate, using a maximum torque on the key of 1,5 Nm.
4.7.2 Operation at extremes of temperature
During testing in accordance with 5.7, it shall be possible to operate a cylinder with the proper key
using a maximum torque of 1,5 Nm at both - 20 °C and + 80 °C.
Grade 0 means no corrosion requirement and no temperature requirement
Grade A means (high) corrosion resistance and no temperature requirement
Grade B means no corrosion requirement but with temperature requirement
Grade C means (high) corrosion resistance and temperature requirement
4.8 Key related security
4.8.1 General
The security of a cylinder is determined by 2 security categories, which can be specified
independently of each other:
key related security;
attack resistance ( 4.9).
8
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EN 1303:2005 (E)
In case of a double cylinder, it is assumed that the grades for both categories apply to the attack side
/ outside of the cylinder. This side shall have a proper indication/marking, either on the product or on
the documents with the product.
4.8.2 Minimum number of effective differs
The minimum number of effective differs shall be as specified in Table 2.
Table 2 — Minimum Number of effective differs
Key related security grade Minimum number of effective differs
1 100
2 300
3 15 000
4 30 000
5 30 000
6 100 000
4.8.3 Minimum number of movable detainers
The minimum number of movable detainers shall be as specified in Table 3.
Table 3 — Minimum number of movable detainers
Key related security grade Minimum number of movable detainers
1 2
2 3
3 5
4 5
5 6
6 6
4.8.4 Maximum number of identical steps
The choice of key steps for movable detainer operation, which have the same operating level, shall be
restricted as specified in Table 4.
Table 4 — Maximum number of identical steps
Key related security grade Maximum number of identical steps
1 100 %
2 70 % , max. 2 adjacent
3 60 % , max. 2 adjacent
4 60 % , max. 2 adjacent
5 60 % , max. 2 adjacent
6 50 % , max. 2 adjacent
NOTE The requirements as specified in table 4 relate to one row only of movable detainers.
9
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4.8.5 Direct coding on key
Direct key coding shall not be permitted on keys for key related security grades 3, 4, 5 and 6.
4.8.6 Operation of security mechanism
When tested in accordance with 5.8.5, the following requirements shall apply.
For key related security grades 1, 2 and 3, before the durability test is commenced the new cylinder,
+0,2
with the next closest key to its own key using a torque of 1,5 Nm Nm, shall not be operable.
−0
For key related security grades 4, 5 and 6, after the durability test has been completed, the cylinder
+0,2
with the next closest key to its own key using a torque of 1,5 Nm Nm, shall not be operable.
−0
The tests for operating the security mechanism shall be performed before or after the durability test,
as specified in 5.8.5.
The next closest keys, one up and one down being different in one position only by one step, defined
by the manufacturer in accordance with its key coding system as specified in 4.8.2.
4.8.7 Torque resistance of plug/cylinder relevant to key related security
The maximum torque to be applied to the plug/cylinder shall be in accordance with Table 5.
Table 5 — Maximum torque requirements
Key related security grade maximum torque Tolerance
Nm Nm
1 2,5 -0 + 0,25
2 5 0 + 0,5
3 15 -0 + 1,5
4 15 -0 + 1,5
5 15 -0 + 1,5
6 15 -0 + 1,5
When tested in accordance with 5.8.6, the plug and/or cylinder in key related security grades 1 to 6,
shall not rotate using the specified applied torque.
4.9 Attack resistance
4.9.1 Resistance to attack by drilling
The lock shall be tested in accordance with 5.9.1 while applying the drilling times specified in table 6.
10
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EN 1303:2005 (E)
Table 6 — Drilling time
Attack resistance grade Max. net drilling time/ Total test time/
min. min.
0 - -
1 3 5
2 5 10
After testing in accordance with 5.9.1, the lock driving element of the cylinders shall not rotate without
the correct key, using a maximum torque of 5 Nm. It is not necessary for the correct key to operate
the cylinder after testing.
4.9.2 Resistance to attack by chisel
After testing in accordance with 5.9.2, the lock driving element of the cylinders shall not rotate without
the correct key, using a maximum torque of 5 Nm. It is not necessary for the correct key to operate
the cylinder after testing.
4.9.3 Resistance to attack by twisting
After testing in accordance with 5.9.3, the lock driving element of the cylinders shall not rotate without
the correct key, using a maximum torque of 5 Nm. It is not necessary for the correct key to operate
the cylinder after testing.
4.9.4 Resistance to attack by plug / cylinder extraction
When tested in accordance with 5.9.4, the requirements of Table 7 shall apply.
Table 7 — Resistance to plug/cylinder extraction
Attack resistance Maximum force applied Net time allowed
grade Kn min
0 - -
1 15 3
2 15 5
After testing in accordance with 5.9.4, the lock driving element of the cylinders shall not rotate
manually with 5 Nm through 360°, or in the case of cylinders with restricted plug movement, to the
maximum permitted by the design.
It is not necessary for the correct key to operate the cylinder after testing.
4.9.5 Torque resistance of plug/cylinder relevant to attack resistance
Maximum torque shall be applied in accordance with Table 8.
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EN 1303:2005 (E)
Table 8 — Maximum torque requirements
Attack resistance grade maximum torque Tolerance
Nm Nm
1)
0
1 20 -0 + 2,0
2 30 -0 + 3,0
1)
See requirement for key related security
When tested in accordance with 5.8.6, the plug and/or cylinder in attack resistance grades 0, 1 and 2,
shall not rotate using the specified applied torque.
It is not necessary for the correct key to operate the cylinder after testing.
Table 9 — Summary Key related Security
No of Requirem Test- Para- Grades Unit
Subclause ent Subclause. meter
1 2 3 4 5 6
4.8.2 5.8.1
Min. - 100 300 15 000 30 000 30 000 100 000 No
number of
effective
differs
4.8.3 Min. 5.8.2 - 2 3 5 5 6 6 No
number of
moveable
detainers
4.8.4 Max. 5.8.3 - 100 70 60 60 60 50 %
number of
identical
steps
4.8.5 Direct 5.8.4 - Yes Yes No No No No -
coding on
key
1) 1) 1) 2) 2) 2)
4.8.6 Operation 5.8.5 Torque 1,5 1,5 1,5 1,5 1,5 1,5 Nm
of security
mechanis
m
4.8.7 Torque 5.8.6 Torque 2,5 5 15 15 15 15 Nm
resistance
of
plug/cylind
er
1)
Before the durability test is commenced.
2)
After the durability test has been completed.
12
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EN 1303:2005 (E)
Table 10 — Summary Attack resistance
No of Requirement Test- Para- Grades Unit
Subclau Subclause meter
se
0 1 2
4.9.1 Resistance to 5.9.1 Time - 3/5 5/10 min.
drilling
4.9.2 Resistance to 5.9.2 Blows - 30 40 No
attack by chisel
4.9.3 Resistance to 5.9.3 Twists - 20 30 No
attack by twisting
4.9.4 Resistance to 5.9.4 Force - 15 15 KN
attack by
plug/cylinder Time - 3 3 min
extraction
1)
5.8.6
4.9.5 Torque Torque 20 30 Nm
resistance of
plug/cylinder
1)
See requirement of key related security.
5 Test methods
5.1 General
Cylinders and their original keys shall be taken at random and submitted for each test.
In the event of a failure, the cylinders shall be considered to have failed the test, and a further two
cylinders shall be submitted.
In the case of double sided cylinders, where one side is of a different security grade than the other,
both sides shall be subjected to the appropriate test schedule, and the higher security side shall be
marked accordingly.
Check the cylinders and keys conform to 4.8.2 to 4.8.5 before commencing the performance tests.
The test sequence is shown in annex D.
The test methods are described as follows If additional instructions for testing are required, the
manufacturer should supply such additional instructions.
5.2 Key strength
Key strength shall conform to 4.2.
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EN 1303:2005 (E)
The cylinders shall be mounted, with the lock driving element blocked against rotation, in the metal
fixture illustrated in annex C, Figure C.5. The correct key shall be fully inserted in the cylinder and a
torque of 2,5 Nm +/- 0.1 Nm applied to the key without shock for a period of 5 s (+ 1 / - 0 s).
The key shall than be removed, reinserted and shall operate the cylinder with a torque not exceeding
1.5 Nm.
5.3 Durability tests
See also annex E “Standard test cycles”.
The cylinders shall conform to 4.3.
The endurance test shall be carried out on the two cylinders using a test apparatus as illustrated in
annex C, Figure C.1. The apparatus shall incorporate means for carrying out the following standard
test cycle:
a) insert the key;
b) rotate it clockwise to 360° or to the maximum rotation permitted by the design, while a resistive
torque of 0,15 Nm + 0,015/- 0,05 Nm is applied to the plug;
c) withdraw the key;
d) insert the key;
e) rotate it anticlockwise to 360° or to the maximum rotation permitted by the design, while a
resistive torque of 0,15 Nm + 0,015/- 0,05 Nm is applied to the plug;
f) withdraw the key.
The plug shall be free from torque during insertion and withdrawal of the key.
Repeat the sequence at a speed of five to twelve cycles per minute.
During the cycle test, the key may remain partly inserted in the cylinder but shall have cleared all
movable detainers.
The key used for the durability test can be cleaned and the cylinder shall be lubricated in accordance
with the instructions of the manufacturer at the start of the test and after each 5 000 cycles using a
lubricant recommended by the manufacturer.
After completion of the appropriate number of cycles the operation of the cylinders shall be tested
using a new original key. The rotation shall be obtained with a maximum torque of 1,5 Nm.
In cases where it is not possible to use the standard cycle sequence, the manufacturer shall, specify
an alternative sequence that conforms as closely as possible to the standard procedure. Subject to
the approval of the testing authority the modified sequence shall then be used. The test report shall
include a description of the special cycle
...
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