Learn more about ABUS home security products in our glossary © ABUS

Home security Security from A to Z

Technical terms on the subject of mechanical security and security in the home are presented here for you clearly and concisely.


Impact strength

long and stable steel cams as well as hardened and tempered screws are effective against brutal (e.g. chisel) attacks, especially with door fittings

Scan protection

mechanical measure against picking


Abbreviation for August Bremicker und Söhne KG

Alarm system

electronic monitoring with acoustic and visual alarm, alternatively silent alarm via telephone

Drill protection

Protection and inhibition of the door cylinder by hard metal pins against drilling out

Presence protection

special products such as door deadlocks in combination with a door guard against unauthorised entry

Prying open

most common break-in method in Germany by means of a screwdriver for windows/French doors

Clearance rate

Proportion of break-ins solved, in Germany approx. 18 percent

Automatic lock

self-locking lock, e.g. with window security locks ABUS FTS 99.

Automatic locking

Clamping unit with self-locking mechanism

Outdoor siren

acoustic and optical alarm transmitter for alarm systems


Hinge side

in the case of a door or window, the side to which the hinges are fastened

Basic protection

basic mechanical protection against simple break-in methods

Service key

Gauge for door cylinder

Fixing anchor

Additional fastening according to DIN 18104-1 for window security locks

Fastening technology

important component for mechanical protection, see also DIN 18104-1

Information Centre

Police information centres provide regional information on safeguarding measures, local appointments also possible


Functional parts of windows or doors

Motion detectors

Detection module for alarm systems, registers movements

Bending stiffness

special hollow deadbolt technology on reinforced door bar locks that prevent permanent deformation


Federal Criminal Police Office


Window frame

Drill recesses

spherical recesses for reversible keys in different depths, no serrations

Drilling template

Aids for the ideal fixing of window and door locks

Fire alarm

acoustic alarm in case of smoke (see also smoke sensor)

Fire door

DIN-tested construction element, this door type must not be changed


Heavy crowbar, used in the "prying open" break-in method (see also cow's foot)

Warded lock

classic room door mortice lock, operation with simple cast key

Shackle protection

Coating of the shackle, e.g. on padlocks against the most brutal attacks (bolt cutters)


Classification system

Division of the ABUS security programme into three security classes: Maximum, Extra, Standard

Code card

A code card is used to identify a key


Roof window security lock

special security for roof windows (Velux, Braas), e.g. ABUS DF 88


German Industry Standard

DIN 18104-1

Standard for screw-on retrofit fuses

DIN left/right

visible stop side or hinge side of the door in opening direction


well-known and classic shape of the ABUS padlocks "Diskus" series

Double-bit key

Bearded key with prongs on both sides, thus higher number of different closures, e.g. safes

Double casement window security lock

special security for double casement windows with middle bar, e.g. ABUS DFS 95

Double ball locking

special protective measure for U-shackle locks against twisting and pulling out of the shackle on both shackle sides


Distance measurement for door mortice locks. The backset is determined by the front edge of the mortice lock to the centre of the follower or keyhole

Push button cylinder

Locking by pressing the cylinder, e.g. with lockable window handles

Straight-through fitting

special fastening according to DIN 18104-1 for unstable walls or stones from the inside to the outside



the security portal by Eduard Zimmermann

Installation instructions

The effectiveness of the product depends on the fastenng, the location and the positioning. Please note: the current assembly instructions

Mortice lock

recessed lock for doors. Basic lock to accommodate door handles and cylinders. Different variants for door cylinders (PZ), bath and warded (BB)

Ice spray

Override method for U-locks. Look for ice spray tested products!


Abbreviation for intrusion alarm systems. This includes all types of alarm systems

Distance measure

denotes the distance from the centre of the profile cylinder to the centre of the door knob. In Germany, 72 mm for corridor doors and 92 mm for front doors


Installation companies with special technical training

Shock sensor

Component from intrusion alarm technology, registers massive vibrations, e.g. in glass



designates a part of the mortice lock that engages the striking plate when the door is closed


Designation on doors and windows for the area that is offset on the door leaf or window wing

Rebate space

Gap between frame and sash on doors and windows

Window hinge security lock

designates the additional protection of the hinge side of a window against prying open

Window wing

movable part of the window. Usually with turn-tilt function

Window handle

Closing element of the window

Window profile

Profile contour

Window frame

Connection between wall and window wing

Window security lock

additional mechanical screw-on locks as protection against prying open

Door fitting for fire doors

tested door fitting for fire doors according to DIN 18273 (fire test) and DIN 18257 (break-in test)

Fire door

DIN-approved construction element, this door type may not be changed (see also fire door)

Wireless alarm system

Wireless-based alarm system, no wiring



German Insurance Association (in Berlin)


Society for Gerontology (examines and supports offers for the 50+ generation) in Iserlohn

Cellar grate lock

Metal tension rods or chains prevent cellar shaft grates from being lifted up

Glass break detector

break-in method strongly reduced, in Germany in the private sector only approx. 2 percent

Glass breakage detector

Component from break-in alarm technology, registers glass breakage


one key for different products, e.g. door cylinders and padlocks


Designation for high-quality product series, e.g. padlocks

Basic protection

basic mechanical protection against simple break-in methods (see also basic protection)



Door cylinder for garages or key switch

Home emergency call system

Emergency call alarm at the push of a button or per time window by means of motion detector (automatic emergency call)

Lifting door safety device

Fuse with housing for the lifting door handle on the hinge side

Home protection

traditional term for home security

Rear hooks

additional mechanical locks as protection against prying open on the hinge side of the door

Hollow crossbar

high-quality bolt technology for reinforced door bar locks

Frequency count

known theft offences converted to 100,000 inhabitants


Rim lock

Door deadlock for house or flat entrance doors, e.g. ABUS Series 9000 with external cylinder

Cellar shaft protection

Metal tension rods or chains prevent cellar shaft grates from being lifted up (see also cellar grate lock)

Core pin

Locking element for door cylinders

Cylinder guard

special cylinder cover for escutcheon plates and door fittings. Protects the profile cylinder from violent attacks

Knob cylinder

Door cylinder with internal turning knob. Locking from inside without key. Not for doors with glass inserts!

Pinch test

Test method, simulation of a bolt cutter

Contact transmitter

Component from the intrusion alarm technology, transmitting unit with message to the alarm panel

Corrosion protection

Protective measures against rusting

Ball valve lockout

Locking elements for high-quality bike or padlocks, e.g. ABUS Granit

Cow's foot

Heavy crowbar, used in the "prying open" break-in method

Cold test

Test method at extreme temperatures, see also ice spray

Cologne study

Study by the Cologne police, systematic recording of break-ins


Receiving centre

emergency call centre always available


State Office of Criminal Investigation


Wall anchor

Fasteners for high-strength connections, e.g. for reinforced door bar locks

Multiple locking systems

Door latch with multiple locking points

Metal insert

Reinforcement for certain products, use mandatory

Assembly instructions

Instructions for use with detailed installation instructions

Mounting clip

Fastening aids for precise adjustment with the ABUS FTS 99 automatic window lock

Mounting position

Fastening point, what is important is the distribution of the products. Recommendation according to DIN 18104-1: one securing point per running metre of height

Mounting template

Aids for the ideal fastening of window and door locks (see also drilling template)


Retrofit fuse

Fuse for universal retrofitting to windows or doors

Spare key

Spare key means the copy of a key

Obligation to provide evidence

Break-in damage must be proven to the insurance company

Emergency function

The door can be unlocked from the outside even if the key is inserted inside

Emergency buttons

Component from intrusion alarm and emergency call technology, triggered at the push of a button



Olive is the technical term for window handle


Armoured plate

External security of the door cylinder for additional locks, e.g. reinforced door bar lock

Security door bars

effective protective measure for doors. Both the opening and hinge sides of the door are heavily protected. Reinforced door bars have a high deterrent effect. Models are available for front doors as well as basement doors


special key profile in which the keyway is off-centre rather than centred


designates the "intelligent opening" of locking mechanisms with special tools

Mushroom head pin

Locking elements for security windows

Plus cylinder

special disc cylinders against "picking". Mainly used for high-quality two-wheel locks and padlocks

Police crime statistics

annual survey of all criminal offences in Germany

Profile cylinder

Operating element of the door, usually with key (see also door cylinder)

Test laboratory

Brutal and intelligent break-in situations are re-enacted here



Also called a reinforced door bar lock. Effective protective measure for doors. Both the opening and hinge sides of the door are heavily protected. Crossbars have a high deterrent effect. Models are available for front doors as well as basement doors


Smoke sensors

acoustic alarm in the event of smoke formation


Amplifier e.g. for wireless


Closing element

External window blind lock

Safety element against pushing up the roller shutter

Rolling pin

widely used hardware mechanism on windows and French doors

Escutcheon plate

smaller protective casing for the door cylinder (round or square) if a door fitting cannot be fitted (see also escutcheon plate)


Sandwich design

Several layers provide the highest possible protection for certain products, e.g. door fittings (see also layered construction)

Hinge side

the side of a window or door to which it is attached by means of hinges

Security hinge lock

Hinge security for windows and/or doors

Disc cylinder

high-quality lock cylinder, especially against picking

Shear bolt

serves to stabilise the lock case on the window frame for special fuses

Layered construction

Several layers give the highest possible protection for certain products, e.g. door fittings

Sliding door lock

Security measure against pushing away and lifting of sliding doors, e.g. ABUS FTS 96/106

Impact test

Test method, simulation of a heavy hammer

Locking system

Allocation and organisation of different access authorisations for door cylinders

Strike plate

The strike plate is the element for holding the latch and bolt of the mortice lock

Lock case

the lock case usually holds the bolts of the lock

Locking side

Closing side, used to hold locking elements, e.g. mortice locks


Cylinders have different numbers of closures, more details are regulated by standards, e.g. DIN

Lock case

Main lock, counterpart of the lock case

Lock nut

serves to accommodate the door handle square for mortice locks

Keyhole cover

Protection against the ingress of dirt into the locking mechanism

Key profile

Key contour

Narrow frame fitting

narrow fitting, usually for metal doors

Protective set

Door fitting according to DIN 18257 against violent attacks, usually with core pulling protection


kleinere Schutzummantelung des Türzylinders (rund oder eckig), falls ein Schutzbeschlag nicht montiert werden kann

Schwarze Schlüssel

unerlaubt kopierte Schlüssel


spezielles Schließblech, in der Regel mit 3 mm Stärke und drei Mauerankern


komplettes Sicherheitselement nach ENV 1627-1630


Informationsbroschüre zum Thema „Haussicherheit"


durchwurfhemmende Möglichkeit der Nachrüstung, s. Links „Haverkamp.de"


komplettes Sicherheitselement nach ENV 1627-1630


Eine Sicherungskarte schützt vor unbefugtem Kopieren von Schlüsseln. Nur in Kombination mit der Sicherungskarte ist es möglich, direkt beim Hersteller oder autorisierten Händlern einen Schlüssel anfertigen zu lassen


Befestigungselement bei der Klebetechnik in Hohlprofilen


Anwesenheitsschutz, Sperrelement, z. B. bei Tür-Zusatzschlössern gegen unbefugten Zutritt


Abschlagschutz bei Schutzbeschlägen


Vertikalverriegelung für Fenster und/oder Türen


sichtbarer Teil des Einsteckschlosses beim Öffnen der Türe


Prüfmethode bei Bügelschlössern



sichtbare Schutzmaßnahme für Fenster- und Fenstertüren, Verriegelung im Mauerwerk


Brutale und intelligente Einbruchssituationen werden nachgestellt (s. a. Prüflabor)


Türzusatzschloss für Hauseingangs- oder Wohnungsabschlusstüren, z. B. ABUS Serie 9000 mit Außenzylinder (s. a. Kastenschloss)


Türscharnier (Drehfunktion)


Bändersicherung für Fenster und/oder Türen (s. a. Scharnierseitensicherung)


größtes Bauteil der Tür (Platte)


Damit ist das Maß des Türblattes gemeint. Hierzu zählt nicht die Zarge (Rahmen)


anderes Wort für Türgriff


mechanischer Anwesenheitsschutz bei Türen


automatische Verschlusshilfe


Weitwinkellinse im Türblatt, in der Regel 200 Grad Blickwinkel


Damit ist die Dicke des Türblattes gemeint


Die Türzarge ist der Rahmen, in dem eine Tür eingefasst ist und an der das Schließblech montiert wird


Bedienelement der Türe, in der Regel mit Schlüssel


elektromechanisches Sperrelement



gewaltsamer Einstieg in Haus oder Wohnung mit vorsätzlicher Zerstörung oder Beschädigung


steht für VdS Schadenverhütung GmbH im Gesamtverband der Deutschen Versicherungswirtschaft. Ziel dieser Gesellschaft ist die Schaffung von einheitlichen Zertifizierungen von Produkten aus dem Bereich Sicherheitstechnik.


Befestigungsmittel für hochfeste Verbindungen (Klebetechnik) nach DIN 18104-1, z. B. bei Panzerriegeln


Fachbegriff von wirksamen Verriegelungen, insbesondere bei Fenstersicherungen


Aufzeichnung und Überwachung per Kamera aller Bewegungsabläufe



Beschlag mit Türgriff und Türknauf


für Türspione; ermöglicht (200-Grad-) Rundumsicht. Verstecken nicht möglich

Weißer Ring

bundesweite Hilfsorganisation für Opfer von Straftaten


Bohrmuldenschlüssel, Schlüssel mit kugelförmigen Ausnehmungen, keine Zacken



Spezialscheibenzylinder für hochwertige Zweiradsicherungen und Vorhangschlösser



Die Zarge ist der Rahmen, in dem eine Tür eingefasst ist und an der das Schließblech montiert wird


Wirksamkeit der Produkte in Abhängigkeit mit der Einbruchsmethode


Hauptbegriff für Alarmzentralen


besondere Vorrichtung für Profilzylinder ohne Schutzbeschlag


Prüfmethode, z. B. bei Schutzbeschlägen in der DIN-Klasse 3 sind dies sechs Tonnen!


Verschlusselement bei diversen Schlössern. Sperren den Verschluss, so dass er sich nicht eigenständig öffnen kann


Unter Zusatzschloss versteht man jegliche Art von nachrüstbaren Sicherheitsschlössern für Fenster, Fenstertüren und Türen


Je nach Türstärke und Beschlagsdicke sind Türzylinder unterschiedlich lang, siehe Kapitel Haussicherheit/Türsicherungen/Türzylinder

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