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Electromagnets

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Electromagnet holding 12V 3W 20kgf

Holding electromagnet, powered by 12 V. With a standard acceleration due to gravity of 9.8 m/s 2 it supports a mass of 20 kg . The current consumption during operation of...
5.0 (3)
Index: DNG-17572
Index: DNG-17572
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Regular price €9.50 Price €9.50

Electromagnet holding 12V 6W 55kgf

Holding electromagnet with a rated power of 6 W. Powered by 12 V. Current consumption is approximately 500 mA. The device maintains a mass of 55 kg under standard...
4.5 (2)
Index: DNG-17578
Index: DNG-17578
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Regular price €18.50 Price €18.50

Electromagnet holding 12V 3,5W 25kgf

Holding electromagnet, powered by 12 V. With a standard acceleration due to gravity of 9.8 m/s 2 it supports a mass of 25 kg . The device's current consumption is 300 mA,...
5.0 (1)
Index: DNG-17573
Index: DNG-17573
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Regular price €11.50 Price €11.50

Electromagnet holding 12V 6W 60kgf

Holding electromagnet with a rated power of 6 W. It requires a voltage pulse of 12 V to operate. With a standard acceleration due to gravity of 9.8 m/s 2, the maximum...
5.0 (2)
Index: DNG-17579
Index: DNG-17579
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Regular price €22.90 Price €22.90

Electromagnet holding 12V 2W 5kgf

Holding electromagnet with a maximum load capacity of 5 kg (at standard gravitational acceleration of 9.8 m/s 2 ). Powered by 12 V. Current consumption is...
Index: DNG-17568
Index: DNG-17568
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Regular price €5.90 Price €5.90

Electromagnet holding 12V 3W 15kgf

Powered by 12 V , a holding electromagnet that holds a mass of 15 kg under standard acceleration due to gravity (9.8 m/s 2 ). Current consumption during operation is...
Index: DNG-17570
Index: DNG-17570
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Regular price €8.00 Price €8.00

Pulling electromagnet 12V 0,6kg

Electromagnet, which after giving a voltage signal of 12 V , allows for linear motion - pulling. The range of the device's pin is 10 mm and its maximum load capacity is 0.6...
Index: DNG-17758
Index: DNG-17758
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Pulling electromagnet 12V 7,2W 0,8kg

An electromagnet which, under the influence of supplying a voltage of 12 V to the coil, performs a linear - pulling motion . The device draws about 0.6 A current. The range...
3.7 (3)
Index: DNG-17760
Index: DNG-17760
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Regular price €7.90 Price €7.90

Electromagnet pulling 12V 0.4kg

The device allows to perform a linear - pulling motion with a voltage signal of 12 V. The range of the bolt is approximately 10 mm.
Index: DNG-12093
Index: DNG-12093
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Regular price €6.90 Price €6.90

Electromagnet 12V 4,2W 180kgf

Holding electromagnet is powered with voltage of 12 V with power of 4.2 W. It keeps the weight of 180 kg by standard earth acceleration of 9.8 m/s2. The dimensions of the...
Index: MOD-08835
Index: MOD-08835
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Regular price €24.50 Price €24.50

Electromagnet 12V 11W 0,1kg

The device allows to perform a linear - pulling motion with a voltage signal of 12 V. The range of the bolt is approximately 10 mm.
5.0 (2)
Index: MOD-08071
Index: MOD-08071
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Regular price €4.50 Price €4.50

Electromagnet holding 12V 1W 1kgf

A holding electromagnet which, after applying a voltage pulse of 12 V , maintains a mass of 1 kg (at standard gravitational acceleration of 9.8 m/s 2 ). The current...
Index: DNG-17566
Index: DNG-17566
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Regular price €11.50 Price €11.50

Holding solenoid 12V 2,5W 2kgf

The holding electromagnet powered with the voltage of 12 V with a power of 2.5 W. It holds a weight of 2 kg in standard earth acceleration of 9.8 m/s2. Case diameter is 20 mm,...
5.0 (1)
Index: MOD-03095
Index: MOD-03095
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Regular price €6.90 Price €6.90

Electromagnet holding 12V 10W 80kgf

A holding electromagnet which, after applying a voltage pulse of 12 V , holds a mass of 80 kg (with a standard acceleration due to gravity of 9.8 m/s 2 ). The current...
5.0 (3)
Index: DNG-17581
Index: DNG-17581
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Regular price €29.90 Price €29.90

Electromagnet HT-60 12V 2,7W 64kgf

Holding electromagnet is powered with voltage of 12 V with the power of 2.7 W. It keeps the weight of 64 kg by standard earth acceleration of 9.8 m/s2. The dimensions of the...
5.0 (1)
Index: MOD-06730
Index: MOD-06730
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Regular price €26.50 Price €26.50

Elektromagnet pushing 12V 2kg typ2

The push electromagnet is powered by 12 V , it can push a mass of 2 kg with a standard earth acceleration of 9.8 m/s2. The housing diameter is 25 mm and the housing length is...
4.5 (4)
Index: AKS-19282
Index: AKS-19282
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Regular price €21.90 Price €21.90

Electromagnet 12V 21W 0,15kg

The device allows to perform a linear - pulling motion with a voltage signal of 12 V. The range of the bolt is approximately 10 mm.
5.0 (1)
Index: MOD-08072
Index: MOD-08072
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Regular price €7.50 Price €7.50

Pulling electromagnet 12V 0,8kg

A small pulling solenoid with a pin range of 10 mm. The device, after receiving a 12 V voltage signal, performs a straight pulling motion . The electromagnet draws about 1 A...
5.0 (1)
Index: DNG-17761
Index: DNG-17761
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Regular price €9.50 Price €9.50

Electromagnet pushing 12V 0,2kg 11mm

The pushing solenoid is powered by 12 V and can push out a mass of 0.2 kg with a standard earth acceleration of 9.8 m/s2. The diameter of the housing is 11 mm, while the...
5.0 (2)
Index: AKS-19280
Index: AKS-19280
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Regular price €5.00 Price €5.00

Holding solenoid 6V 2,5W 2kgf

The holding electromagnet powered with the voltage of 6 V with a power of 2.5 W. It holds a weight of 2 kg in standard earth acceleration of 9.8 m/s2. Case diameter is 20 mm,...
Index: MOD-03096
Index: MOD-03096
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Pulling electromagnet 12V 1kg

The device allows to perform a linear - pulling motion with a voltage signal of 12 V. The range of the bolt is approximately 10 mm.
4.5 (2)
Index: MOD-03661
Index: MOD-03661
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Regular price €8.90 Price €8.90

Electromagnet 12V 0.5kg /1.1A

The device allows to perform a linear - pulling motion with a voltage signal of 12 V. The range of the bolt is approximately 10 mm.
5.0 (1)
Index: MOD-08073
Index: MOD-08073
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Electromagnet pulling 12V 7,8W 0,8kg

The electromagnet is equipped with a 10 mm long bolt, which after receiving a 12 V voltage signal performs a linear pulling movement. The device consumes approx. 0.65 A...
Index: DNG-17759
Index: DNG-17759
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Regular price €6.90 Price €6.90

Pulling electromagnet 12V 14,4W 3,5kg

Tractive solenoid, which requires a voltage of 12 V to operate correctly on the coil. The device, performing linear motion, draws about 1.2 A current. The range of the pin...
5.0 (2)
Index: DNG-17763
Index: DNG-17763
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Regular price €11.50 Price €11.50

What is an electromagnet and how does it work?

Electromagnets produce a magnetic field. They are usually in the form of a coil, which is deposited on a core made of material with very high magnetic properties. As a result of the flow of electric current through the coil, a magnetic current is produced. It is this current that is responsible for magnetizing the core and amplifying it. The core is demagnetized when the current stops flowing. Then the electromagnet ceases to be the source of the magnetic field.

The electromagnet has the shape of a coil, in the middle there is a core made of ferromagnetics. It is usually made of steel, which is very good for magnetization. In the case of AC electromagnets, the core is made of metal sheets, which are isolated from each other by a special insulating material in order to reduce energy losses. In order to disperse the magnetic flux, electromagnets are often given a horseshoe shape.

The magnetic field produced by an electromagnet covers a similar area to that which is characteristic of a typical bar magnet. The field can be reinforced by winding a wire around an iron core. It must be 'soft', which means that it does not have the capacity to store a magnetic field. It is magnetized only after electric current has passed through it.

Use of electromagnets

With electromagnets, the magnetic field can be changed quickly. This is possible by controlling the amount of electric current in the winding. However, an electromagnet requires a constant current supply, only then can it maintain the magnetic field. Electromagnets are supplied with different voltages and thus consume different current. There are modules integrated with control electronics, which is an option especially recommended for beginners who plan to implement the electromagnet in an electronic system. The frequent use of electromagnets includes access control systems. We then use holding electromagnets which hold the door to prevent it from opening. And how do we open such doors? The electronic system receives an appropriate signal from the lock control system, which is a card reader or code keypad. The solenoid coil is de-energized, which means that it no longer attracts the metal plate to the door and can be successfully opened. Due to such properties of electromagnets they are used in access control systems.

Furthermore, they work well in many other electronic projects. They are present in electrical machines, bells, speakers and relays. Electromagnets are also used in alarm systems, which are one of the security features of the building and its surroundings, and are part of monitoring. They can also be found in cathode ray tubes and magnetic railways and devices that use nuclear magnetic resonance.