What is an EM Lock? How Does It Work?

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

How Does an Electromagnetic Lock Work?

An EM lock consists of two main parts:

1. Electromagnet (usually attached to the door frame)

2. 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.

Benefits of Using EM Locks

• 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.

Buy Electromagnetic Door Locks at the Best Price in Bangladesh

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.

Available Options Include:

• ZKTeco EM Lock 280KG/600lbs Holding Force

• ZKTeco Magnetic Lock with Brackets

• Hikvision Electromagnetic Door Lock

• Double Door EM Lock

All products come with manufacturer warranty and installation support if required.

Why Buy from DigiMark BD?

• Local Trusted Supplier

• Original Brands like ZKTeco, Hikvision, and More

• Lowest EM Lock Prices in Bangladesh

• Fast Delivery Across the Country

• Installation Support Available

How to Install an Electromagnetic Door Lock (EM Lock)?

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:

Tools & Items You’ll Need:

• 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)

Step-by-Step Installation Guide:

1. Mark the Position

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

2. Mount the Electromagnet

• Secure the electromagnetic lock body to the door frame using screws.

• Use an L-bracket or ZL-bracket for frameless glass or narrow frames.

3. Install the Armature Plate

• 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.

4. Connect the Wiring

• 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.

5. Test the Lock

• 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.

6. Secure the Cables

• Use cable ties or conduit pipe to keep wiring tidy and safe from tampering.

Need Help Choosing the Right EM Lock?

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

Conclustion

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.