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Series description

helius4000 – Compact and agile for maximum comfort

When choosing a locking system for your home, comfort is paramount. The helius4000 locking system impresses as a functional and reliable solution and is ideally suited for keyed alike systems in residential areas. Whether apartment or private home – with its mechanical design, helius4000 offers a practical solution for everyday use. Another advantage is the flexible expandability of the reversible key system, including the option to upgrade to an electronic locking system.

helius4000 is individually configured by authorized partners via our MKS-System.

helius4000 locking system key and cylinder helius4000 double cylinder BKS half cylinder profile cylinder door lock helius4000 key BKS key with metal head
Features
Advantages
Technical data & standards

Features

  • More comfort: Especially for tall and heavy doors – the generous grip surface of the reversible key enables easy opening and closing
  • The yellow ball delivers a distinctive design and stands for proven BKS brand quality
  • Optimal for security fittings with cylinder cover thanks to extended key shank
  • Reversible key technology: comfortable handling of the key even in poor lighting conditions
  • Standard protection against bumping
  • Emergency function prevents blocking by inserted keys
  • Individual key design – Make your key unique – Learn more
  • Different cylinder colors for locking systems – Security meets design: Choose the perfect cylinder color for your door – Learn more
  • BKS customer profiles – Security tailored to your standards: Discover customized locking systems – Learn more
Key advantages in detail

helius4000 locking cylinder: The right choice – not only in terms of security

The helius4000 locking cylinders are based on the proven single-row pin arrangement and are conveniently operated via the reversible key mechanism.

copy protection pictogram

Operating comfort

The cylinder core features a reversible key profile and a key guide, enabling easier key insertion.

pictogram anti-drill plate

Security package

Thanks to specially developed housing pin shapes, the system offers high protection against manipulation with bumping and  picking tools.

pictogram modular cylinder construction

Emergency and hazard function

Various coupling types enable important features such as the emergency and hazard function. This allows the locking cylinder to be operated even if a matching key is already inserted on the opposite side.

Specifications at a glance

Technical data & standards

Technical data
Order length (BL) 27, 31, 40 + 5 mm increments up to BL 95 mm
Locking type Standard locking, registered locking, master key system*
Cam Standard
Emergency and hazard function optional, double-sided from BL 31/31, single-sided from BL 27/31
* Central master key systems and grand master key systems

Design and function of the helius4000 cylinder

Reversible key system helius4000 – Cylinder cross-section

case

core

The authorized key is inserted into the core and can be turned there.

drive pin, mushroom head, hardened steel

By inserting an authorized key, a shear line is created between the housing pins and the core pins. This enables the key to be turned.

drive pin; mushroom head, brass

By inserting an authorized key, a shear line is created between the housing pins and core pins. This enables the key to be turned.

drive pin, stepped cylindrical

By inserting an authorized key, a shear line is created between the housing pins and the core pins. This enables the key to be turned.

core pins, bronze

Unterschiedlich geformte Kernstifte verhindert das Manipulieren des Zylinders durch Picking- oder Bumpingmethoden.

drive pin, cylindrical

By inserting an authorized key, a shear line is created between the housing pins and the core pins. This enables the key to be turned.

pin springs

A pin spring in the cylinder is a component designed to keep the plug pins and housing pins in position and to ensure that they move correctly to enable the locking mechanism when the correct key is inserted.

cylinder locking cam

The necessary movement is transmitted via the cam in order to open or close the lock.

core retaining rings

The core retaining rings secure the core in the cylinder housing.

coupling

By selecting the coupling, cylinders receive different functions, e.g. Emergency and danger function – even if a key is inserted on the inside, the door can be opened from the outside with an authorized key. Standard function – a key inserted on one side prevents the door from being opened with a key on the other side.

case

core

The authorized key is inserted into the core and can be turned there.

drive pin, mushroom head, hardened steel

By inserting an authorized key, a shear line is created between the housing pins and the core pins. This enables the key to be turned.

drive pin; mushroom head, brass

By inserting an authorized key, a shear line is created between the housing pins and core pins. This enables the key to be turned.

drive pin, stepped cylindrical

By inserting an authorized key, a shear line is created between the housing pins and the core pins. This enables the key to be turned.

core pins, bronze

Unterschiedlich geformte Kernstifte verhindert das Manipulieren des Zylinders durch Picking- oder Bumpingmethoden.

drive pin, cylindrical

By inserting an authorized key, a shear line is created between the housing pins and the core pins. This enables the key to be turned.

pin springs

A pin spring in the cylinder is a component designed to keep the plug pins and housing pins in position and to ensure that they move correctly to enable the locking mechanism when the correct key is inserted.

cylinder locking cam

The necessary movement is transmitted via the cam in order to open or close the lock.

core retaining rings

The core retaining rings secure the core in the cylinder housing.

coupling

By selecting the coupling, cylinders receive different functions, e.g. Emergency and danger function – even if a key is inserted on the inside, the door can be opened from the outside with an authorized key. Standard function – a key inserted on one side prevents the door from being opened with a key on the other side.

helius4000 product range – one key for all applications

helius4000 double cylinder BKS half cylinder profile cylinder door lock

Double cylinder

Available as standard cylinder, with special profiles or additional functions.
BKS half cylinder locking cylinder, chrome-plated, with emergency function

Half cylinder

Universally applicable, e.g. in auxiliary locks and special applications.
helius4000 padlock BKS brass padlock with steel shackle

Padlock

Also available with particularly thin or extra high shackle.
helius4000 cam lock cylinder BKS cylinder lock with locking bolt and brass nut

Cam lock

With various locking levers – ideal for mailboxes and furniture.
helius4000 knob cylinder BKS door cylinder with chrome-plated knob

Thumbturn cylinder

Cylinder with rotatable thumbturn – freely selectable, easy to change and replace.
helius4000 key with transponder BKS key with security profile and plastic head

Key with SE transponder

Maximum operating comfort through the combination of mechanics and electronics.
helius4000 key BKS key with metal head

Key

Striking and unmistakable – the yellow ball is the characteristic trademark of this locking system.

Standards and security requirements

The helius4000 reversible key system combines high-quality standard features with numerous special functions and meets strict standards such as EN 1303 and DIN 18252. It provides protection against bumping and drilling attempts, making it ideal for apartment buildings.

Pictogram for bumping protection
pictogram grand master key system
Picto_Patent_2038_web

Configure products of the helius4000 series

Exclusive for authorized partners.

Help/information about our MKS-System.

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