SIST EN 15685:2025

SLOVENSKI STANDARD
01-februar-2025
Stavbno okovje - Zahteve in preskusne metode - Večtočkovne ključavnice, zapahi
in varovalne podložke - Značilnosti in preskusne metode
Building hardware - Requirements and test methods - Multipoint locks, latches and
locking plates - Characteristics and test methods
Schlösser und Baubeschläge - Mehrfachverriegelungs-Schlösser und Schließbleche -
Anforderungen und Prüfverfahren
Quincaillerie pour le batiment - Serrures multipoints et leurs gaches - Prescriptions et
méthodes d'essais
Ta slovenski standard je istoveten z: EN 15685:2024
ICS:
91.190 Stavbna oprema Building accessories
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 15685
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2024
EUROPÄISCHE NORM
ICS 91.190
English Version
Building hardware - Requirements and test methods -
Multipoint locks, latches and locking plates -
Characteristics and test methods
Quincaillerie pour le bâtiment - Serrures multipoints et Schlösser und Baubeschläge - Mehrfachverriegelungs-
leurs gâches - Prescriptions et méthodes d'essais Schlösser und Schließbleche - Anforderungen und
Prüfverfahren
This European Standard was approved by CEN on 27 February 2024.

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 CEN-CENELEC Management Centre 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 CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 15685:2024 E
worldwide for CEN national Members.

Contents Page
European foreword . 6
Introduction . 7
1 Scope . 8
2 Normative references . 8
3 Terms, definitions, symbols and abbreviated terms . 8
3.1 Terms and definitions . 8
3.2 Symbols and abbreviated terms . 12
4 Product characteristics . 13
4.1 General. 13
4.1.1 Dangerous substances. 13
4.1.2 Return force of latch bolt . 13
4.1.3 Strength of lever lock key . 14
4.1.4 Strength of bolt action . 14
4.1.5 Minimum follower restoring torque . 14
4.2 Category of use (first digit) . 14
4.2.1 Resistance to side force on latch bolt . 14
4.2.2 Torque to operate the multipoint lock. 15
4.2.3 Strength of follower stops . 19
4.2.4 Torque resistance of lockable deadbolt operation by handle/knob . 20
4.3 Durability characteristics (second digit) . 22
4.3.1 Durability of latch action. 22
4.3.2 Durability of locking action . 22
4.3.3 Durability of locking snib mechanism . 22
4.3.4 Durability of clenching . 22
4.4 Door mass and closing force (third digit) . 23
4.4.1 Door mass . 23
4.4.2 Door closing force . 23
4.5 Suitability for use on fire resistance and/or smoke control door set (forth digit) . 23
4.5.1 General. 23
4.5.2 Grade 0 . 23
4.5.3 Grade A . 24
4.5.4 Grade B . 24
4.5.5 Grade N . 24
4.6 Safety (fifth digit) . 24
4.7 Corrosion resistance and temperature (sixth digit) . 24
4.7.1 Corrosion resistance . 24
4.7.2 Operation at extreme temperatures . 25
4.8 Security of locking point (seventh digit) . 25
4.8.1 General. 25
4.8.2 Locking. 25
4.8.3 Deadlocking . 25
4.8.4 Characteristics to side force . 26
4.8.5 Locking point projection . 27
4.8.6 Resistance to disengaging force on locking point . 28
4.8.7 Resistance to drilling and disengaging force on locking point . 29
4.8.8 Strong key attack on lever locks . 30
4.8.9 Torque resistance of lockable follower . 31
4.8.10 Resistance to force on a box protected locking plate . 32
4.8.11 Resistance to side force on locking plate . 33
4.8.12 Protection against removal from door . 33
4.9 Key identification of lever locks (eight digit) . 34
4.9.1 Minimum number of detaining elements . 34
4.9.2 Effective differs . 34
4.9.3 Differing steps heights on key . 35
4.9.4 Non-interpassing of key with just one interval differ . 35
4.9.5 Coding protection . 35
4.10 Security of anti-separation point (nine digit) . 35
4.10.1 General . 35
4.10.2 Anti-separation point bolt projection . 35
4.10.3 Resistance to disengaging force of anti-separation point . 36
4.10.4 Resistance to drilling and disengaging force of anti-separation point . 37
4.10.5 Resistance to pulling force of anti-separation point . 38
4.10.6 Resistance to drilling and pulling force of anti-separation point . 39
4.10.7 Resistance to forcing of anti-lifting device for sliding door . 40
4.10.8 Resistance to forcing of anti-lifting device with drill protection for sliding door . 40
4.10.9 Resistance to pulling force on locking plate for anti-separation point . 41
4.10.10 Resistance to anti-lifting force on locking plate . 41
4.11 Clenching (tenth digit) . 43
5 Testing, assessment and sampling methods . 43
5.1 General . 43
5.2 Test apparatus . 44
5.2.1 Test door . 44
5.2.2 Drilling machine. 44
5.2.3 Test fixtures . 45
5.3 Test procedure – Drilling procedure . 45
5.4 Test methods – General . 45
5.4.1 Dangerous substances . 45
5.4.2 Return force of latch bolt . 45
5.4.3 Strength of lever lock key . 46
5.4.4 Strength of bolt action . 46
5.4.5 Minimum follower restoring torque. 49
5.4.6 Protection against removal from door . 49
5.5 Test methods - Category of use . 49
5.5.1 Resistance to side force on latch bolt . 49
5.5.2 Torque to operate the multipoint lock . 52
5.5.3 Strength of follower stops . 52
5.5.4 Torque resistance of lockable follower . 52
5.5.5 Torque resistance of rim lock with integral lockable handle/knob . 53
5.6 Test methods - Durability . 53
5.6.1 Durability of latch action without force applied . 53
5.6.2 Durability of latch action with force applied . 54
5.6.3 Durability of locking action . 56
5.6.4 Durability of locking snib mechanism . 58
5.6.5 Durability of clenching . 58
5.7 Test methods - Door mass and closing force . 60
5.7.1 Door mass . 60
5.7.2 Door closing force . 60
5.8 Suitability for use on fire resistance and smoke control doors . 61
5.8.1 Grade A . 61
5.8.2 Grade B . 61
5.8.3 Grade N . 61
5.9 Safety . 61
5.10 Corrosion resistance and temperature . 62
5.10.1 Corrosion resistance . 62
5.10.2 Operation at extremes of temperature . 62
5.11 Security of locking point . 62
5.11.1 Locking. 62
5.11.2 Torque resistance of lockable follower . 63
5.11.3 Resistance to side force . 64
5.11.4 Locking point bolt projection . 67
5.11.5 Resistance to disengaging force on locking point . 67
5.11.6 Resistance to drilling and disengaging force on locking point . 68
5.11.7 Strong key attack on lever locks . 69
5.11.8 Resistance to force on a box protected locking plate . 69
5.11.9 Resistance to side force on locking plate . 72
5.11.10 Protection against removal from door . 73
5.12 Key identification of lever locks . 73
5.12.1 Detaining elements verification . 73
5.12.2 Effective differs verification . 74
5.12.3 Differing steps heights on key . 74
5.12.4 Non interpassing of key with just one interval differ . 74
5.12.5 Coding protection . 74
5.13 Security of anti-separation point . 74
5.13.1 Anti-separation point bolt projection . 74
5.13.2 Resistance to disengaging force of anti-separation point . 74
5.13.3 Resistance to drilling and disengaging force of anti-separation point . 74
5.13.4 Resistance to pulling force of anti-separation point . 76
5.13.5 Resistance to drilling and pulling force of anti-separation point . 76
5.13.6 Resistance to forcing of anti-lifting device for sliding door . 77
5.13.7 Resistance to forcing of anti-lifting device with drill protection for sliding door . 77
5.13.8 Resistance to pulling force on locking plate for anti-separation point . 78
5.13.9 Resistance to lifting force on locking plate . 78
5.14 Test methods - Clenching . 80
6 Classification. 80
6.1 Coding system . 80
6.2 Classification. 80
6.2.1 Category of use (first digit) . 80
6.2.2 Durability (second digit) . 81
6.2.3 Door mass and closing force (third digit) . 81
6.2.4 Suitability for use on fire resistance and/or smoke control door set (fourth digit) . 82
6.2.5 Safety (fifth digit) . 82
6.2.6 Corrosion resistance and temperature (sixth digit) . 82
6.2.7 Security for locking points (seventh digit) . 83
6.2.8 Key identification of lever locks (eight digit) . 83
6.2.9 Security for anti-separation points (nine digit). 83
6.2.10 Clenching points (tenth digit) . 84
6.3 Example of classification for multipoint locks and their locking plates . 84
7 Marking . 84
7.1 On the product . 84
7.2 On the packaging. 85
Annex A (informative) Test sampling and sequencing . 86
Annex B (informative) Product information. 90
Bibliography . 93

European foreword
This document (EN 15685:2024) 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 June 2025, and conflicting national standards shall be
withdrawn at the latest by September 2026.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
No existing standard is superseded.
The performance tests incorporated in this document are considered to be reproducible and as such will
provide a consistent and objective assessment of the performance of these products throughout CEN
Members.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,
Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the United
Kingdom.
Introduction
The intended use for products according to this document is:
a) for use in doors in buildings;
b) for use on fire and smoke compartmentation doors fitted with door closing devices, to enable such
doors to close reliably and thus achieve self-closing in the event of fire;
c) for use on closed fire doors to maintain the fire integrity of the door assembly.
This document is one of a series of European standards dedicated to building hardware products.
European standards for mechanically operated locks and latches (EN 12209) and for electromechanically
operated locks and locking plates (EN 14846) are also available.

1 Scope
This document specifies product characteristics and test methods of mechanically operated multipoint
locks and their locking plates.
This document covers multipoint locks their locking plates which are either manufactured and placed on
the market in their entirety by one producer or assembled from sub-assemblies produced by more than
one producer and designed to be used in combination.
This document does not cover assessment of the contribution of the product to the fire resistance of
specific fire resistance and/or smoke control door set assemblies.
This document is not applicable to mechanically/electromechanically cylinders, handles, locks for
windows, padlocks, locks for safes, furniture locks or prison locks.
This document does not specify mechanically operated locks or their locking plates which are specified
by EN 12209.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 1303, Building hardware — Cylinders for locks — Requirements and test methods
EN 1634-1, Fire resistance and smoke control tests for door and shutter assemblies, openable windows and
elements of building hardware — Part 1: Fire resistance test for door and shutter assemblies and openable
windows
EN 1634-2, Fire resistance and smoke control tests for door, shutter and openable window assemblies and
elements of building hardware — Part 2: Fire resistance characterisation test for elements of building
hardware
EN 1634-3, Fire resistance and smoke control tests for door and shutter assemblies, open able windows and
elements of building hardware — Part 3: Smoke control test for door and shutter assemblies
EN 1670:2007, Building hardware — Corrosion resistance — Requirements and test methods
EN 16035, Hardware performance sheet (HPS) — Identification and summary of test evidence to facilitate
the inter-changeability of building hardware for application to fire resisting and/or smoke control doorsets
and/or openable windows
ISO 10899, High-speed steel two-flute twist drills
3 Terms, definitions, symbols and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at https://www.electropedia.org/
— ISO Online browsing platform: available at https://www.iso.org/obp
3.1.1
anti-separation point
locking point designed to prevent the separation of a door leaf from its frame or adjacent door leaf in the
plane of the door
Note 1 to entry: Examples of anti-separation points are hook and mushroom types.
3.1.2
automatic deadlocking
deadlocking where deadbolt or deadlocked latch movement is self-propelled, and is triggered when the
closed position of the door leaf has been reached
3.1.3
centrally controlled
having release the bolts of all of its locking and/or clenching and/or anti-separation points, from a single
lock case
3.1.4
clenching point
arrangement of components to draw together a door and its frame in the door closing direction to reduce
distortion of the door and/or compress seal (can also be a locking point and/or anti-separation point)
3.1.5
cylinder
device, usually separate from, but engaging with, its associated lock or latch, that contains the parts
operated by the key
3.1.6
cylinder lock
lock in which the lock mechanism is operated by one or more cylinders
3.1.7
deadbolt
movable part of a lock that usually engages a locking plate and withdraws into a lock case that is operated
at least in one direction by a key, handle or thumb turn
3.1.8
deadlocking
action of moving a deadbolt to a thrown position where pushing back of the bolt is positively prevented
3.1.9
detaining element
component which is moved by a key into a pre-determined position to allow the bolt to be operated
3.1.10
differ
variation between lock mechanisms of similar design, achieved by the detaining elements, which enables
each lock to be operated only by its own key
3.1.11
effective differ
difference between lock or key recognition systems of similar design achieved only by the detaining
elements which allows each lock or key recognition system to be operated only by its own key
Note 1 to entry: 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.
3.1.12
follower
part of a lock that operates the latch bolt and/or deadbolt(s) and/or clenching and/or anti-separation
points when turned by a spindle
3.1.13
forend
part of a case through which the lock is fixed to the door leaf and through which the latch bolt and/or
deadbolt pass
3.1.14
interlinked
connected for the purpose of operation
3.1.15
key
device that is removable and portable and is used to operate the lock
3.1.16
latch
self-engaging fastener which keeps the door leaf in a closed position, and which can be released
3.1.17
latch action
arrangement and performance of the constituent parts that operate a latch bolt
3.1.18
latch bolt
spring-loaded movable part of a lock that usually engages a component fixed to a frame, and withdraws
into a lock case that automatically engages a locking plate to keep the door leaf in its closed position
3.1.19
lever lock
lock with integral differs operated by a key
3.1.20
lock
fastener which secures a door leaf in its closed position, and which is operated by a key or other device
3.1.21
lockable follower
mechanism operated by a key to block the rotation of the follower inside a lock case or the rotation of a
handle/knob when it is a part of the lock
3.1.22
lock case
part of a lock in which the lock mechanism is housed
3.1.23
locking plate
component, which is usually fixed to a door frame to engage at least a locking point or, latch bolt or an
anti-separation point or a clenching point
3.1.24
locking point
arrangement of components interacting between a deadbolt or anti-separation point and locking plate
for security purpose
3.1.25
locking snib
device, usually in the form of a small lever or knob, which can be operated to prevent the locking point,
or latch bolt or an anti-separation point or clenching point from being thrown or withdrawn, or to change
the operating mode of a lock
3.1.26
lock mechanism
constituent parts of a lock that operate the deadbolt and/or latch bolt or an anti-separation point or a
clenching point and, where required, provide the differs
3.1.27
manual deadlocking
deadlocking where movement of the deadbolt is by key, handle or thumb turn
3.1.28
mortice lock
lock for fixing in a mortice, usually in the closing edge of a door leaf
3.1.29
multipoint lock
lock comprising at least two points of interaction (security, anti-separation or clenching) interlinked and
centrally controlled, where at least two points are more than 200 mm apart in locked or thrown position
3.1.30
set
all components necessary for the complete function of the product or a number of components delivered
or recommended as a part of a complete multipoint lock
3.1.31
shared latch action
latch action in which withdrawal of the latch bolt is by means of a handle or key

3.2 Symbols and abbreviated terms
For the purposes of this document, the following symbols and abbreviated terms apply.

Test parameter Definition Unit
F1 Return force on latch bolt N
F2 Side force on latch bolt kN
F3 Side force on latch bolt and locking plate (durability test) N
F4 Side force on deadbolt and locking plate kN
End load on deadbolt and locking plate / Disengaging force on
F5 kN
hook/claw bolt
F6 Pull force on hook/claw bolt or locking plate kN
F7 Force on locating device or lifting force on locking plate kN
F9 Door closing force (classification) N
F10 Door closing force (durability test) N
F11 Clenching force N
H1 Minimum projection mm
L1 Deadbolt projection mm
L2 Resulting projection mm
M1 Torque to operate the latch bolt and/or deadbolt with key Nm
Torque to operate the latch and/or deadbolt bolt with handle, spring
M2 Nm
handle or knob
M3 Torque on follower stop Nm
M4 Torque on lockable follower (relevant for category of use) Nm
M5 Torque on lockable follower (relevant for security) Nm
M6 Strong key torque on lever locks Nm
M7 Torque resistance on knob or lever handle Nm
Test parameters also illustrated in the figures

4 Product characteristics
4.1 General
4.1.1 Essential characteristics
The following characteristics have special significance because they are related to the ability to close and
keep the door in a closed position:
a) self-closing ability/ability to close and keep the door in a closed position:
i) 4.1.3, return force of latch bolt;
ii) 4.4.2, door closing force.
4.1.2 Dangerous substances
National regulations on dangerous substances can require verification and declaration on release, and
sometimes content, when construction products covered by this document are placed on those markets.
In the absence of European harmonized test methods, verification and declaration on release/content
should be done taking into account national provisions in the place of use.
Check in accordance with 5.4.1.
NOTE An informative database covering European and national provisions on dangerous substances is
available at the Construction website on EUROPA accessed through https://ec.europa.eu/growth/tools-
databases/cp-ds_en.
4.1.3 Return force of latch bolt
The return force F1 (see Figure 1) on each latch bolt shall be ≥ 2,5 N. The test result of a lock without latch
bolt shall be expressed as “NPD”. The return force shall be tested in accordance with 5.4.2.

Figure 1 — Return force of latch bolts

4.1.4 Strength of lever lock key
The key for lever lock shall have the strength so it can resist a torque of 2,5 Nm and still be able to operate
its lock with the torque M1 appropriate with its grade in 4.2.2.
This requirement is not applicable to cylinder keys which shall conform to EN 1303. The key strength
shall be tested in accordance with 5.4.3.
4.1.5 Strength of bolt action
The locking point, anti-separation and clenching point components shall resist a torque of 30 Nm and the
latch bolt components shall resist a torque of 20 Nm operated through the follower and the lock shall still
be able to operate with the torque M1 and M2 appropriate with its grade in 4.2.2.
The strength of bolt actions shall be tested in accordance with 5.4.4.
4.1.6 Minimum follower restoring torque
The lock shall have a minimum restoring torque on the follower of 0,8 Nm, unless the manufacturer has
declared that the product is intended for use with spring supported furniture.
The restoring torque shall be tested in accordance with 5.4.5.
NOTE Product information sheet, see Annex B.
4.2 Category of use (first digit)
4.2.1 Resistance to side force on latch bolt
The latch bolt shall resist a side force F2 (see Figure 2) as specified in Table 1 after which operating
torque shall not exceed that specified in 4.2.2, return force on latch shall still not be less than 2,5 N, and
closing force shall not exceed as specified in 4.4.2.
The resistance to side force shall be tested in accordance with 5.5.1.
Figure 2 — Resistance to side force on latch bolt

4.2.2 Torque to operate the multipoint lock
4.2.2.1 The multipoint lock shall conform to torque on key 4.2.2.2 or 4.2.2.4 and torque on follower
4.2.2.3 or 4.2.2.5.
4.2.2.2 The torque on the key to operate the latch bolt, locking point(s) or anti-separation point(s)
shall not exceed M1 without any force applied (see Figure 3 and Table 1).
The torque on the key shall be tested in accordance to 5.5.2.2.

Figure 3 — Torque to operate the multi-point lock with the key

4.2.2.3 The torque on the follower to operate the latch bolt, locking point(s) or anti-separation
point(s) without side force shall not exceed M2 without any force applied (see Figure 4 and Table 1).
The torque on the follower shall be tested in accordance to 5.5.2.3.
Figure 4 — Torque to operate the multi-point lock with the follower
4.2.2.4 The torque on the key to operate the clenching point shall not exceed M1 with the clenching
force F11 applied, (see 6.2.10, Figure 5 and Table 1).
The torque on the key shall be tested in accordance to 5.5.2.4.

Figure 5 — Torque to operate the clenching with the key
4.2.2.5 The torque on the follower to operate the clenching point shall not exceed M2 with the
clenching force F11 applied, (see 6.2.10, Figure 6 and Table 1).
The torque on the follower shall be tested in accordance to 5.5.2.5.

Figure 6 — Torque to operate the clenching with the follower

4.2.3 Strength of follower stops
The latch components and travel limit stops shall resist a torque M3, (see Figure 7) as specified in Table 1,
and the multi-point lock shall still be able to operate with the torque appropriate with its grade in 4.2.2.
The strength of follower stops shall be tested in accordance with 5.5.3.
Figure 7 — Strength of follower stops

4.2.4 Torque resistance of lockable deadbolt operation by handle/knob
4.2.4.1 Torque resistance of lockable followers
A lock with a lockable follower shall resist a torque of M4 (see Figure 8) as specified in Table 1, and the
lock and its lockable follower shall still be able to operate with the torque M1 and M2 appropriate with
its grade in 6.2.1. If, due to component failure, it is not possible to apply a torque of M4 the test shall also
be considered as passed.
The resistance of lockable followers shall be tested in accordance with 5.5.4.
4.2.4.2 Torque resistance of rim lock with integral lockable handle/knob
A rim lock with an integral lockable handle or knob shall resist a torque of M4 (see Figure 8.), where M4
(Nm) = 400 (N) × maximum radius in m of the handle/knob after which the lock and its lockable
handle/knob shall still be able to operate with the torque appropriate with its grade in 4.2.2.
The torque resistance shall be tested in accordance with 5.5.4.

Figure 8 — Torque resistance of lockable follower
Table 1 — Category of use
Sub- Test Test
Requirement Grade 1 Grade 2 Grade 3 Unit
clause method parameter
4.2.1 Resistance to side force
...