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Magnets

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Solenoid, coil, 36V electromagnet - SparkFun ROB-10391

The device allows a linear motion, such as a push or pull, to be performed using a 12 - 36 volt voltage signal. The range of the pin is approximately 10 mm.
Index: SPF-02107
Index: SPF-02107
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Regular price €24.96 Price €24.96

Round neodymium magnet - 40x5mm

Neodymium round magnet with dimensions of 40 x 5 mm. Neodymium magnets have a very large attractive force due to the very high energy density. They have a lifetime warranty for...
Index: MAG-05726
Index: MAG-05726
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Regular price €6.49 Price €6.49

Universal galvanized cassette - Elektra R3-KAS-U-C for mounting the intercom

Universal cassette designed for installation of intercoms. It is made of high quality 2 mm thick galvanized sheet metal. Elektra R3-KAS-U-C has a bumper mounted on either...
Index: HUR-16751
Index: HUR-16751
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Regular price €8.01 Price €6.81
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Ferrite magnet - 20x20x5mm

Ferrite permanent magnet Y30 with dimensions of 20 x 20 x 5 mm. It has high resistance to corrosion, gases, salts, greases, acids and demagnetization. The operating temperature...
Index: MAG-05587
Index: MAG-05587
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Regular price €1.28 Price €1.28

Solenoid Valve 12V - 1/2'' 0,02-0,8MPa - 11mm spigot

The device allows you to control the flow of liquids using a computer or microcontroller. The valve is powered with 12 V . Stub: 11 mm.
Index: MOD-09448
Index: MOD-09448
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Regular price €4.97 Price €4.97

Plastic electric lock - 12V

Electric lock powered with the voltage of 12 V. It is used for example in electronically controlled system of closing doors, gates, furnitures, etc.
Index: MOD-08356
Index: MOD-08356
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Regular price €7.16 Price €7.16

Neodymium cylindrical magnet - 3x4mm

Neodymium cylindrical magnet with dimensions of 3 x 4 mm. Neodymium magnets have a very large attractive force due to the very high energy density. They have a lifetime...
Index: RNH-12652
Index: RNH-12652
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Regular price €3.45 Price €3.45

Round neodymium magnet - 17x2mm - 10pcs

Neodymium round magnet with dimensions of 17 x 2 mm Neodymium magnets have a very large attractive force due to the very high energy density. They have a lifetime warranty for...
Index: MAG-13827
Index: MAG-13827
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Regular price €9.77 Price €9.77

Round neodymium magnets Calamit N35/Ni 20x3mm - 10 pcs.

The round neodymium magnet has dimensions of 20 x 3 mm . It is characterized by a very high attraction force due to a very high energy density. It has a lifetime guarantee of...
Index: CAL-16571
Index: CAL-16571
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Regular price €12.04 Price €12.04

Round neodymium magnets Calamit with adhesive layer S N35/Ni 15x1,2mm - 10pcs.

The round neodymium magnet has dimensions of 15 x 1.2 mm . It is characterized by a very high attraction force. It has a lifetime guarantee of power and durability. Permanent...
Index: CAL-16655
Index: CAL-16655
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Regular price €4.10 Price €4.10

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,...
Index: MOD-03095
Index: MOD-03095
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Regular price €6.29 Price €6.29

Neodymium round magnet - 20x3mm - 5pcs

Neodymium round magnet with dimensions of 20 x 3 mm Neodymium magnets have a very large attractive force due to the very high energy density. They have a lifetime warranty for...
Index: MAG-13829
Index: MAG-13829
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Regular price €8.46 Price €8.46

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.
Index: MOD-08072
Index: MOD-08072
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Regular price €6.05 Price €6.05

Round neodymium magnet with adhesive layer - 15x1mm - 10 pcs

Neodymium circular magnet  with dimensions of 10 x 4 mm Neodymium magnets have a very large attractive force due to the very high energy density. The magnet has a layer of...
Index: AKS-12067
Index: AKS-12067
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Regular price €8.66 Price €8.66

Round neodymium magnet with adhesive layer - 10x1mm - 10pcs

Neodymium round magnet with dimensions of 10 x 1 mm Neodymium magnets have a very large attractive force due to the very high energy density. The magnet has a layer of adhesive...
Index: AKS-13702
Index: AKS-13702
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Regular price €4.69 Price €4.69

Round neodymium magnets Calamit N35/Zn 18x2mm - 10pcs.

The round neodymium magnet has dimensions of 18 x 2 mm . It is characterized by a very high attraction force. It has a lifetime guarantee of power and durability. Permanent...
Index: CAL-16572
Index: CAL-16572
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Regular price €6.71 Price €6.71

Holding electromagnet 12V 60kgf

The holding electromagnet is powered with a voltage of 12 V. Keep the weight of 60 kg in standard earth acceleration 9.8 m/S2. The dimensions of the elctromagnet 38 x 80 x...
Index: MOD-09813
Index: MOD-09813
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Regular price €23.22 Price €23.22

Solenoid Valve 12V - 3/4'' - SparkFun ROB-10456

The device supports control of fluid flow using a computer or microcontroller. The valve is powered by a voltage of 12 V.
Index: SPF-01993
Index: SPF-01993
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Regular price €12.80 Price €12.80

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.
Index: MOD-08073
Index: MOD-08073
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Regular price €6.92 Price €6.92

Solenoid Valve 12V - 0.02-0.8MPa with quickconnect

The device supports the control of fluid flow using a computer or microcontroller. The valve is powered with the voltage of 12 V. The valve has a quickconnector of 6 mm....
Index: MOD-09453
Index: MOD-09453
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Regular price €5.19 Price €5.19

Holding electromagnet 12V 8W 20kgf

The holding electromagnet powered with voltage of 12 V and a capacity of 8 W. It holds a weight of 20 kg in standard earth acceleration 9.8 m/s2. The body diameter is 40 mm and...
Index: MOD-04600
Index: MOD-04600
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Regular price €17.14 Price €17.14

Round neodymium magnets Calamit with adhesive layer N N35/Ni 15x1,2mm - 10pcs.

Set of 10 self-adhesive round neodymium magnets with a diameter of 15 mm and length of 1.2 mm . They are characterized by high attraction force. Permanent magnets are...
Index: CAL-16574
Index: CAL-16574
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Regular price €4.10 Price €4.10

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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Regular price €13.00 Price €13.00

Round neodymium magnets Calamit with adhesive layer N N35/Ni 10x1mm - 10pcs.

Set of 10 self-adhesive round neodymium magnets with dimensions 10 x 1 mm. They are characterized by a very high attraction force. They have a lifetime guarantee of power...
Index: CAL-16573
Index: CAL-16573
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Regular price €3.45 Price €3.45

Magnets and devices based on their use

Magnets and devices using magnets are very common and can be used both in electronic projects and ordinary DIY jobs. They are also extremely helpful in wall mounting, creating decorations and general gripping of metal elements. They are also great for building more complex projects, such as electric motors or speakers. It is recommended to pay attention to technical parameters when selecting appropriate magnets and elements based on their use. Technical parameters are e.g. durability and power supply needed. Besides, it is worth paying attention to adaptation to the environment where the magnet is destined to be used. E.g., the magnet must be adjusted to the humidity that exists in the target place, because it is necessary to adjust the appropriate corrosion resistance. Each product in our offer is provided with an appropriate specification to help you make the right choice based on these parameters. Should you have any additional questions, please contact the technical department directly and we will be happy to advise you.

What are the advantages of using magnets?

Magnetic elements are not only very useful and versatile, but there are also many advantages of using them. First of all, they reduce wear and tear of mechanical parts, thanks to which devices operating with magnets (locks, jacks, etc.) are much more durable than their mechanical counterparts. To illustrate the strength of magnets, it is worth mentioning that neodymium magnets do not lose their properties for several hundreds of years! Moreover, locks and valves of direct action have opening and closing times faster than any other locks and valves. No wonder that magnets are so widely so willingly used. They are cheap, extremely durable and offer an extremely diverse range of applications. That is why magnetic elements are a must for every DIY enthusiast and electronics enthusiast. The Botland store meets this need and offers many types of magnets and elements operating on magnets, to which you can find detailed specification helping you with making the right choice.

Electromagnets vs. traditional magnets (permanent)

The big difference between an electromagnet and a magnet is that permanent magnets are also electromagnets with a direct current that makes every atom a magnet. The strength of the magnetic field depends on the material of the core, the number of the solenoid wingdings as well as the intensity of the current. If the current strength is high enough, an electromagnet can generate a stronger magnetic field than a permanent magnet. However, the electromagnetism of the electromagnet disappears once the external current is stopped. The mechanism of the electromagnet can only work with human intervention through the activation of a button, while the magnetism of the permanent magnet remains. Permanent magnets are used primarily in assembly and in devices where continuous operation of magnets is required (e.g. magnetic filters). On the other hand, electromagnets are used in systems where the magnet need to operate only at certain moments (e.g. cranes, solenoid valves and generators).