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Door entry systems, Installation, maintenance & repairs in Chelmsford and Essex


delta T Electrical are able to carry out Intercoms & Door Entry Systems installations in Chelmsford Essex and the surrounding areas, Our teams of fully qualified NICEIC registered Electricians, who are Part “P” certified, City & Guilds trained, work quickly and efficiently keeping your premises secure and safe.

The security of buildings has never been as vital as it is today. The right door entry system can provide you with security by being able to identify visitors through speaking to them or viewing their image on a CCTV screen. If you are happy for them to enter, a button on the handset will release the door quickly and easily, giving you full control and management of the people entering your domain.

We can offer you the very latest door entry systems in Chelmsford Essex, that provide a range of options for each door entry scenario, we can design, supply and install a system to fulfill your needs, that keeps your premises safe, secure and manageable.

We can supply and install the following types of door entry systems


Audio Door Entry systems in Chelmsford Essex

Single channel audio door phone and intercom system, Modern stylish designs incorporating a high clarity microphones and speakers for clear communication. These systems are ideal for single point access into the home or business area and for restricted areas that require security clearance.

The outdoor intercom units usually include an integral microphone and speaker, call button(s) and illuminated name plate(s).

This is coupled by means of a simple two wire connection to the indoor phone intercom handset which incorporates a door open button and an adjustable control switch for ringtone volume.

Keypad Door Entry systems in Chelmsford Essex

These can be a combined keypad / proximity tag access controller, slim line with modern aesthetics and durable construction make these units a perfect addition to any access control system. The Users approach the keypad and enter a four digit code or hold a personal proximity tag within a few inches to activate one of the on board relays.
These relays are used to carry power from a 12vdc power supply to an appropriate door release.

Video Door Entry systems in Chelmsford Essex

A video entry system or video intercom enables you to see and talk to whoever is at the door before you open it. A video door entry system comes with a door release mechanism to allow access once the visitor has been identified. Although it is a more expensive option, it provides greater security and peace of mind.

Door entry Systems in Chelmsford Essex

We are able to carry out Intercoms & Door Entry Systems installations in Chelmsford Essex and the surrounding areas, we can provide a wide range of audio entry systems for residential and commercial premises featuring two way voice communications between the outdoor entrance panels and the internal handsets with electric door lock release button to open the door from the handset.

Systems are available in many colours and finishes to suit your personal taste and complement your building decor, as well as being vandal resistant and hard wearing.

delta T Electrical your local Door entry contractor in Essex can also maintain and test your installation.

All of our local electricians hold City and Guilds 2381/2382 and 2391 electrical qualifications and are fully experienced in all aspects of door entry system design and installation.

All of our works are In line with the IEE 17th edition regulations; we are able to supply an NICEIC certificate for all electrical works carried out.

All of our works are guaranteed and insurance backed by the NICEIC for your complete peace of mind.
We offer a free estimating service, simply ring or email and we will be pleased to discuss your requirements,
We can then provide you with an accurate written estimate for the work.

We can offer business finance options and accept credit card payments from all major providers.

Call our friendly help desk team now or email us via the request a quotation page



CALL THE TELEPHONE NUMBER 0800 5877665