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Frequently asked questions
What is the power supply for in an access control system?
The power supply delivers stable voltage to devices such as electric locks, electromagnetic holders, access controllers and RFID readers. It's responsible for the correct operation of the whole system.
Can one power supply handle more than one device?
Yes, e.g. 5A models can power several devices at once, or even two access control systems – depending on their current requirements.
What do the NO and NC outputs mean?
NO (Normally Open) – the circuit closes when activated. NC (Normally Closed) – the circuit opens when activated. This lets you match the power supply to different types of locks – both fail-safe (the lock unlocks on failure) and fail-secure (the lock stays locked when there's no power).
Do the power supplies have protections?
Yes, they have protection against: short circuits, overload, overvoltage and overheating. This ensures safe and stable operation of the installation.
Is installing a power supply complicated?
No – many models combine the functions of a power supply, a relay and a timer, which simplifies installation and reduces the number of components needed.
Does the power supply affect the system's stability?
Yes – a high-quality power supply minimises the risk of failures, voltage drops and problems with the locks' operation.
Power supplies
Power supplies for access control – stable and secure power for 12V systems
In our offer, you will find a wide selection of power supplies for access control systems – from compact modules to advanced controllers and power boxes, which ensure reliable operation of the entire installation.
12V modular power supplies are an ideal solution for simple systems where compact size and voltage stability are important. They are perfect for powering electric strikes, electromagnetic locks, and access controllers, offering high energy efficiency and full protection against overload and short circuits.
For more demanding installations, we offer power controllers with built-in relays and timers, which combine the functions of a power supply, control, and door opening time regulation. Support for NO/NC outputs and the ability to set a delay in the range of 0–15 seconds allows for precise adjustment of the system's operation to individual needs.
For extensive systems, power boxes are an excellent choice, serving as the central point of the installation. They enable simultaneous powering of multiple devices, as well as the connection of a battery or emergency power supply, ensuring continuous operation even in the event of a power outage.
All offered devices are made of high-quality components, ensuring stable voltage, resistance to interference, and long-term, trouble-free operation.
Choose power supplies tailored to your system and ensure reliability, security, and full control over access.
Which power supply should you choose for an electronic lock?
The best choice is a 12V DC power supply with an appropriate current rating (e.g. 2A, 3A or 5A) matched to the number and type of devices.
Can an access control power supply have battery backup?
Yes, selected models (e.g. power boxes) let you connect a 12V battery, which keeps the system running during a power outage.
Is one power supply enough for a whole access control system?
Yes, if its current rating is sufficient – in many cases one power supply handles all the elements of the installation.
Does a lock power supply require an additional relay?
Not always – many models have a built-in relay, so you don't need any additional modules.
Does the power supply affect the lifespan of an electromagnetic lock?
Yes – stable voltage and safeguards extend the lifespan of both the lock and the whole system.
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