How many watts does a magnetic lock use?

Author: Karl Runte  |  Last update: Wednesday, June 10, 2026

The new V3SR. The new version of the V3SR, when powered at 12Vdc, has a consumption rating of 290mA. That's the same as 3.48 Watts, or 0.00348 kW. For 24 hours of powering the new maglock, the equivalent cost is 2.42 pence.

How much power does a magnetic lock use?

The power for an electromagnet lock is DC (direct current), around 5–6 W. The current is around 0.5 A when the voltage supply is 12 VDC and 0.25 A when using 24 VDC (varies between manufacturers and if there are one or two coils in the block). It is also recommended to verify that the magnetic lock carries the UL mark.

How much current does a maglock draw?

Alongside the holding force, you also need to consider the power consumption of the door lock. This dual voltage wiring 12V/24V maglock has a 140mA current draw at 12V DC, so a low 70mA current draw at 24V DC.

What is the voltage of a magnetic door lock?

Magnetic locks require a constant source of power to keep the door locked. The current used by the electromagnetic lock is around 0.5A when the voltage supply is 12VDC. The current used by the electromagnetic lock is around 0.25A when the voltage supply is 24VDC.

Does a maglock need a power supply?

Magnetic locks depend on constant power to remain secure. For this reason, they need a reliable power source. Most maglocks require a dedicated, individually fused, 12VDC or 24VAC power supply. The power supply needs to be hardwired into the buildings electrical system, typically 120VAC.

Electric Locks vs. Magnetic Locks: What’s the Difference?

Are mag locks low voltage?

Magnetic locks require a constant electric current to remain locked, but they are designed to use a low voltage, making them relatively energy-efficient. Modern mag locks are also being designed with energy-saving features to reduce electricity usage further.

What is the voltage of electric locks?

The requirement of electric locks generally use 12 volts dc or 24 volts dc and 12volt ac and 24 volt ac. the power supplies step the power down from the mains to the required range of 12 or 24 volts The standard range is 1amp ,two amps , three amps of five amps.

Do magnetic locks work without power?

Maglocks require constant power to stay locked, making them fail-safe. If the power goes out for any reason, the maglock's magnetic hold will release and the opening will no longer be secured. On the other hand, fail-secure locking functions require power to unlock a door.

What are the two types of magnetic locks?

There are two basic styles of magnetic locks, surface mounted and morticed; commonly referred to as shear locks. Surface mounted magnetic locks are available in a range of sizes with different holding forces and can be either monitored or unmonitored, to suit a variety of applications both internal and external.

How much force does it take to open a magnetic lock?

A holding force of 650 lbs. (Figure 1) is typical for most magnetic locks fit for traffic control and they may be easily defeated. However, this is a benefit compared to the use of light duty electric strikes.

What gauge wire is used in maglocks?

For connecting an electric strike or a mag lock to the ACU, use 18 gauge 2 conductor cables. For exit and egress devices, use 22 gauge 4 conductors (or 6 conductors depending on the egress device) cables.

How much current is 12V?

A 12-volt battery with a 100 Ah rating can, in theory, deliver 5 amps for 20 hours or 10 amps for 10 hours under ideal conditions. Practical Impact: Actual ampere-hours can vary based on factors including battery age, discharge rate, and operating temperature.

What is the difference between electric lock and maglock?

The primary difference between electric strike locks (door strike) and magnetic locks (maglocks) is their power requirement. Maglocks are fail-safe, while electric strikes are generally fail-secure. In other words: Magnetic locks require power to lock the door, whereas electric locks require power to unlock the door.

How many amps does a maglock draw?

For commercial and institutional applications, mag locks are normally 12-24VDC powered electromagnets. The amperage draw ranges from approximately 125mA to more than 500mA at 24VDC, and 230mA to more than 600mA at 12VDC. The magnet size, holding force and construction determine the draw.

What are the disadvantages of magnetic lock?

Dependent on constant power supply: A magnetic lock system is entirely dependent on a constant power supply to maintain the magnetic field which holds the lock in place. In the event of a power outage, the system is compromised and the door will unlock, which could be a security risk.

How long do maglocks last?

Built to last and with virtually no maintenance requirements, they provide an effective form of access control that can be relied upon for years to come. maglocks are an incredibly reliable security measure for any commercial or residential building.

What voltage is a mag lock?

Resolution: Do magnetic locks take AC voltage? No, maglocks only take 12 or 24 volts DC from a filtered and regulated power supply, generally at less than 1 amp @ 12vdc, and . 5 amp @ 24vdc. AC power will destroy the maglock and / or the maglock control module, and will void the maglock warranty.

How much does it cost to install a maglock?

Generally speaking, the cost to install a maglock on an average door is approximately $300. Nonetheless, installation costs will vary based on the complexity of the installation and the installer you use.

What is a fail safe magnetic lock?

Fail safe means when no power is applied the door is unlocked; fail secure means when no power is applied the door is locked. Key Aspects for Design Considerations. Fail-secure locks should be used for most doors except where quick entrance is needed in emergency situations.

Why do maglocks fail?

One of the most common problems with maglocks is a power failure. This occurs when the lock doesn't release or engage due to a lack of power. Possible causes of power failure include a dead battery, a tripped circuit breaker, or a malfunctioning power supply.

Do electric locks work when power is out?

Yes, as long as the smart door lock is equipped with internal battery backup, a manual override option, or Bluetooth connectivity, it should remain secure and functional during a power outage; however, as with any security feature, it's important to purchase a reliable product.

Do maglocks get hot?

Maglocks can run hot due to the electricity running through them. It's that same electricity that creates the electromagnetic field used to secure doors and gates. If the maglock appears to run much hotter than you'd expect, it might be best to contact us for a free site survey.

How do electronic locks get power?

Smart door locks use different power sources to operate. Some standard power options include the battery, hardwired, solar power, power harvesting, and kinetic energy.

What is the difference between 12v and 24v electric strike?

An HES 9600 electric strike can draw power from either a 12-volt or a 24-volt power source. It draws current equal to 0.45 amps at 12-volt, but only 0.25 amps at 24-volt. These numbers indicate a requirement of about half an amp at 12-volt but just one-quarter of an amp at 24-volt.

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