Concealled Shear Lock Electromagnetic Embedded Electric Magnetic Lock For Door A

Product Description

DC 24V 12V Concealled Shear Lock Electromagnetic Embedded Electric Magnetic Lock For Door Access Control System With Time Delay

A shear lock is a type of electromagnetic locking system used for doors, windows, and other openings, primarily in high-security settings. It combines electromagnetic force and shear force to secure the door, providing a strong locking mechanism. Shear locks are commonly used in access control systems to ensure doors cannot be forcibly opened when unauthorized.

Working Principle of Shear Locks

The shear lock works by combining the magnetic force of an electromagnet and the mechanical shear force:

Electromagnet: The shear lock contains a powerful electromagnet. When an electric current passes through it, the electromagnet generates a strong magnetic field that locks the door.

Shear Force: In addition to the magnetic force, the shear lock utilizes the shear force between the door and the door frame to increase locking strength. This means that even if the electromagnetic force fails (such as during a power outage), the mechanical shear force can still provide a level of security.

Advantages of Shear Locks

High Locking Strength:

Shear locks provide very high locking strength by combining electromagnetic and mechanical shear forces, making them difficult to forcibly breach.

No Mechanical Wear:

Since shear locks rely primarily on magnetic force, there is no mechanical wear like in traditional mechanical locks, leading to a longer lifespan.

Fast Response:

Shear locks can lock and unlock quickly, making them suitable for situations requiring rapid access control.

Concealed Installation:

Shear locks can be installed discreetly within the door frame or door leaf, maintaining the aesthetic design of the door.

Installation and Maintenance of Shear Locks

Installation:

Shear locks should be installed by professional technicians to ensure proper alignment and contact between the electromagnet and the door.

They need to be integrated with power supplies and control systems, such as access control or fire alarm systems, for automatic control

Maintenance:

Regularly check the electromagnet's working condition to ensure a stable power supply.

Clean and inspect the lock body and installation areas to prevent dust or debris from affecting the lock's performance.

Considerations

Power Requirements:

Shear locks require a stable power supply, and it's advisable to have a backup power source or UPS (uninterruptible power supply) in case of power outages.

Safety Measures:

Ensure that in emergency situations like fire or earthquakes, the shear lock can unlock quickly to prevent people from being trapped. Most shear lock systems are integrated with fire alarm systems to automatically unlock when a fire alarm is triggered.

Shear locks, with their high locking strength and reliability, are widely used in environments that require high security and quick response times. Proper installation and maintenance ensure their long-term stable operation and effective security.

Installation and operation instructions of shear lock

1、 Function Description:This is an electric lock product with embedded installation, which combines the functions of electromagnetic lock and electric plug-in lock. The electromagnetic lock will suck iron plate after power on so that the lock tongue is inserted into the lock tongue hole to lock the door. The lock can be installed horizontally or vertically. During installation the position of the iron plate should be adjusted to adapt the door gap. This lock has two groups of dry contact feedback signals, NC and No. With 0/3/6/9-second adjustable delay locking function.

2、 Product overview:

3、 Product specification:

1). Working voltage: dc12v---dc24v

2). Working current: DC12V starting current 1.6A maintaining current 0.22a

DC24V starting current 1a, maintaining current 0.13a

3). Feedback signal: NC --- short circuit COM dry contact signal when the lock is powered on and opened .NO --- disconnect the COM dry contact signal when the lock is powered on and opened

4). Adsorption spacing: within 4mm

5). Ambient temperature: -40 ℃ - +55 ℃

6). Lock delay time: 0/3/6/9 seconds adjustable

4. Dimension drawing:

5、 Installation precautions and schematic diagram:

1. The distance between the electric lock and the iron plate varies due to the different door seams of the lock to be installed, so it is very necessary to make adjustment. First loosen the fastening screws of the iron plate, and then adjust the adjustment screws of the iron plate, keep the distance 3-4mm between the electric lock and iron plate ,and it still need to fasten screws of the iron plate after adjustment.

2. The electric lock and the adsorption plate should be installed directly against each other without dislocation.

3. Power on and check after installation. If you hear a "click" sound or the door cannot be locked after closing the door, you should adjust a little bit smaller the distance between the electric lock and the iron plate (but it must be larger than 2mm). If the iron plate does not rebound away after unlocking, resulting in the failure to open the door, you should appropriately increase the distance between the electric lock and the iron plate.

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Condition

Brand New

Shipping

This item is shipped directly from our supplier in China with tracking.