An EM Lock (Electromagnetic Lock) is a locking device that uses electromagnetism to secure a door. Unlike traditional locks, EM locks don’t use a mechanical key. Instead, they rely on magnetic force to keep a door locked. When electric current passes through the electromagnet, it creates a strong magnetic field that holds the metal armature plate tightly—locking the door.
This makes it ideal for:
Office access control systems
Smart building security
Automatic doors
High-security zones like banks and server rooms
An EM lock consists of two main parts:
Electromagnet (usually attached to the door frame)
Armature plate (mounted on the door itself)
Here’s how it works:
When power is supplied to the electromagnet, it creates a magnetic force.
This magnetic force tightly attracts the armature plate, holding the door in a locked position.
When the power is cut off (either manually, through access control, or in case of a power failure), the magnetic field disappears, and the door unlocks.
This fail-safe design ensures the door opens during emergencies (like fire or power outage), making it a safe and effective option for modern buildings.
No Mechanical Wear and Tear: Since there are no moving parts, EM locks last longer.
Quick Locking & Unlocking: Ideal for areas with high traffic.
Enhanced Security: Cannot be picked like traditional locks.
Remote Access Control: Can be integrated with RFID, fingerprint, face recognition, or keypad systems.
Emergency Fail-Safe: Automatically unlocks during a power failure—perfect for safety compliance.
If you’re looking for affordable and genuine EM locks in Bangladesh, DigiMark Solution offers a wide range of high-quality electromagnetic door locks at unbeatable prices, starting from just ৳800 to ৳5,000. Whether you need a basic model for a small office or a heavy-duty lock for high-security applications, DigiMark has you covered.
ZKTeco EM Lock 280KG/600lbs Holding Force
ZKTeco Magnetic Lock with Brackets
Hikvision Electromagnetic Door Lock
Double Door EM Lock
All products come with a manufacturer warranty and installation support if required.
Local Trusted Supplier
Original Brands like ZKTeco, Hikvision, and More
Lowest EM Lock Prices in Bangladesh
Fast Delivery Across the Country
Installation Support Available
Installing an EM lock may seem technical, but with the right steps and tools, it becomes straightforward. Here's a step-by-step overview of the EM lock installation process:
Electromagnetic lock set (magnet & armature plate)
Power supply (usually 12V or 24V DC)
L-bracket / ZL-bracket (for glass or swing doors)
Screwdrivers, drill machine
Wiring for connection
Access control panel or push button (optional)
Choose the door location where the EM lock will be installed. Usually:
The electromagnet is fixed on the door frame
The armature plate is fixed on the door leaf
Secure the electromagnetic lock body to the door frame using screws.
Use an L-bracket or ZL-bracket for frameless glass or narrow frames.
Fix the metal armature plate on the door so that it aligns perfectly with the magnet when the door is closed.
Ensure there’s a slight flexibility to allow full contact with the magnet.
Connect the power supply (12V or 24V depending on the lock model).
Ensure the wires are properly insulated and protected.
If you're using an access control device (e.g., RFID, fingerprint, face device), connect the EM lock to the control board output.
Power on the system and test by opening/closing the door.
Press the access control or exit button to check if it unlocks correctly.
In case of failure, recheck the alignment and power connection.
Use cable ties or conduit pipe to keep wiring tidy and safe from tampering.
If you're unsure which electromagnetic lock best fits your needs, DigiMark’s expert team is ready to assist you with:
Product selection
Access control system integration
Installation guidance
Call now: +8801873995422
Visit: www.digimarkbd.com
An EM lock is the smart choice for secure, modern, and efficient door locking systems. Whether you're upgrading your office security or setting up a smart access control system, EM locks provide high performance with simplicity. And with DigiMark BD, you get top-quality brands at the most competitive prices in Bangladesh.
