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MPL 40x15x6 / N38 - lamellar magnet

lamellar magnet

Catalog no 020155

GTIN/EAN: 5906301811619

5.00
Load capacity 14.21 kg / 139.45 N Magnetic Induction 286.36 mT / 2864 Gs
length
40 mm [±0,1 mm]
Width
15 mm [±0,1 mm]
Height
6 mm [±0,1 mm]
Weight
27 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel

How we measure these parameters — certificates and measurements

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Frequently asked questions

How much will a block magnet really hold?
The catalogue force is measured in full contact with smooth steel at least 10 mm thick, pulled perpendicular, at about 20 °C. On 1 mm sheet about 50% of that value remains, on 0.5 mm about 25%. Mounted on a vertical wall the realistic figure is 20–30%, because the load is then in shear rather than in tension.
What is the maximum working temperature?
Standard N-series grades up to 80 °C, and N50, N52 and N54 up to 60 °C. Above the maximum working temperature the loss stops being reversible. The Curie temperature, at which magnetic properties are lost completely, is about 310 °C.
What safety factor should I allow?
At least twice the mass of the item, and three to five times for vertical mounting. The margin covers sheet thickness, surface condition, any layer of paint or rust, and vibration.

Guides from the knowledge base

Engineering report for this magnet

Full PDF analysis: pull and shear force, effect of distance, temperature and plate thickness, safety distances and the demagnetization curve.

PDF report Calculator
Want to talk magnets?

Call us now +48 888 99 98 98 alternatively let us know using contact form the contact section.
Specifications and structure of a neodymium magnet can be estimated using our power calculator.

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Detailed specification - MPL 40x15x6 / N38 - lamellar magnet

Specification / characteristics - MPL 40x15x6 / N38 - lamellar magnet

properties
properties values
Cat. no. 020155
GTIN/EAN 5906301811619
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
length 40 mm [±0,1 mm]
Width 15 mm [±0,1 mm]
Height 6 mm [±0,1 mm]
Weight 27 g
Magnetization Direction ↑ axial
Load capacity ~ ? 14.21 kg / 139.45 N
Magnetic Induction ~ ? 286.36 mT / 2864 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 40x15x6 / N38 - lamellar magnet
properties values units
Remanence Br ? 12.2-12.6 kGs
Remanence Br ? 1220-1260 mT
Coercivity bHc ? 10.8-11.5 kOe
Coercivity bHc ? 860-915 kA/m
Intrinsic coercivity iHc ≥ 12 kOe
Intrinsic coercivity iHc ≥ 955 kA/m
Energy product BHmax ? 36-38 BH max MGOe
Energy product BHmax ? 287-303 BH max KJ/m
Maximum working temperature ? ≤ 80 °C

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C
properties values units
Vickers hardness ≥550 Hv
Density ≥7.4 g/cm3
Curie Temperature TC 310 °C
Curie Temperature TF 590 °F
Specific resistance 150 μΩ⋅cm
Bending strength 250 MPa
Compressive strength 1000~1100 MPa
Thermal expansion parallel (∥) to orientation (M) (3-4) x 10-6 °C-1
Thermal expansion perpendicular (⊥) to orientation (M) -(1-3) x 10-6 °C-1
Young's modulus 1.7 x 104 kg/mm²

Engineering modeling of the magnet - report

The following information represent the direct effect of a physical analysis. Values are based on algorithms for the material Nd2Fe14B. Real-world parameters may differ from theoretical values. Use these calculations as a preliminary roadmap for designers.

Table 1: Static force (force vs gap) - power drop
MPL 40x15x6 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 2863 Gs
286.3 mT
 14.21 kg / 31.33 LBS
14210.0 g / 139.4 N
 dangerous!
1 mm 2635 Gs
263.5 mT
 12.04 kg / 26.55 LBS
12041.8 g / 118.1 N
 dangerous!
2 mm 2385 Gs
238.5 mT
 9.86 kg / 21.74 LBS
9859.1 g / 96.7 N
 warning
3 mm 2132 Gs
213.2 mT
 7.88 kg / 17.37 LBS
7880.1 g / 77.3 N
 warning
5 mm 1670 Gs
167.0 mT
 4.84 kg / 10.66 LBS
4837.1 g / 47.5 N
 warning
10 mm 903 Gs
90.3 mT
 1.41 kg / 3.11 LBS
1412.2 g / 13.9 N
 weak grip
15 mm 520 Gs
52.0 mT
 0.47 kg / 1.03 LBS
469.2 g / 4.6 N
 weak grip
20 mm 320 Gs
32.0 mT
 0.18 kg / 0.39 LBS
177.7 g / 1.7 N
 weak grip
30 mm 141 Gs
14.1 mT
 0.03 kg / 0.08 LBS
34.5 g / 0.3 N
 weak grip
50 mm 41 Gs
4.1 mT
 0.00 kg / 0.01 LBS
3.0 g / 0.0 N
 weak grip
Pulling power decreases significantly with every mm of gap. Note that even a very thin break (e.g., dirt, paint, dust) significantly diminishes the holding power. Magnets hold most effectively during direct contact; air break weakens the power. See how quickly the pull force plummet, when the product does not adhere flatly to the steel surface. When calculating the mounting, eliminate unnecessary gaps.

Table 2: Vertical load (vertical surface)
MPL 40x15x6 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 2.84 kg / 6.27 LBS
2842.0 g / 27.9 N
1 mm Stal (~0.2) 2.41 kg / 5.31 LBS
2408.0 g / 23.6 N
2 mm Stal (~0.2) 1.97 kg / 4.35 LBS
1972.0 g / 19.3 N
3 mm Stal (~0.2) 1.58 kg / 3.47 LBS
1576.0 g / 15.5 N
5 mm Stal (~0.2) 0.97 kg / 2.13 LBS
968.0 g / 9.5 N
10 mm Stal (~0.2) 0.28 kg / 0.62 LBS
282.0 g / 2.8 N
15 mm Stal (~0.2) 0.09 kg / 0.21 LBS
94.0 g / 0.9 N
20 mm Stal (~0.2) 0.04 kg / 0.08 LBS
36.0 g / 0.4 N
30 mm Stal (~0.2) 0.01 kg / 0.01 LBS
6.0 g / 0.1 N
50 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 g / 0.0 N
This section presents the theoretical force required to start the shifting of the magnet down along a vertical steel plate (considering typical friction). The holding force is relative to the distance between the magnet and the metal.

Table 3: Vertical assembly (sliding) - vertical pull
MPL 40x15x6 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
4.26 kg / 9.40 LBS
4263.0 g / 41.8 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
2.84 kg / 6.27 LBS
2842.0 g / 27.9 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
1.42 kg / 3.13 LBS
1421.0 g / 13.9 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
7.11 kg / 15.66 LBS
7105.0 g / 69.7 N
When mounting a element on a vertical wall (e.g., a fridge), it will only hold only approx. 20%-30% of its nominal power. Gravitational force as well as a low friction coefficient mean that holders move down easier than they pull off. Want to create a hanger? Remember that the sliding force is noticeably lower than the perpendicular breakaway force. On a smooth steel, the element will give way down under a significantly smaller cargo. Utilizing a rubberized layer can significantly increase the grip.

Table 4: Material efficiency (substrate influence) - sheet metal selection
MPL 40x15x6 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
5%
 0.71 kg / 1.57 LBS
710.5 g / 7.0 N
1 mm
13%
 1.78 kg / 3.92 LBS
1776.3 g / 17.4 N
2 mm
25%
 3.55 kg / 7.83 LBS
3552.5 g / 34.9 N
3 mm
38%
 5.33 kg / 11.75 LBS
5328.8 g / 52.3 N
5 mm
63%
 8.88 kg / 19.58 LBS
8881.3 g / 87.1 N
10 mm
100%
 14.21 kg / 31.33 LBS
14210.0 g / 139.4 N
11 mm
100%
 14.21 kg / 31.33 LBS
14210.0 g / 139.4 N
12 mm
100%
 14.21 kg / 31.33 LBS
14210.0 g / 139.4 N
A thin metal plate is unable to focus the entire magnetic field, which wastes potential of the magnet. Should you attach a powerful product to a weak sheet, the magnetism will pass right through and the holding will be smaller. To utilize the maximum of this magnet's power, you require a sufficiently solid element of metal. The material oversaturation causes that on delicate walls (e.g., thin profiles), the product holds weaker. We recommend selecting the steel dimension according to the table below.

Table 5: Thermal stability (material behavior) - thermal limit
MPL 40x15x6 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 14.21 kg / 31.33 LBS
14210.0 g / 139.4 N
 OK
40 °C -2.2% 13.90 kg / 30.64 LBS
13897.4 g / 136.3 N
 OK
60 °C -4.4% 13.58 kg / 29.95 LBS
13584.8 g / 133.3 N
80 °C -6.6% 13.27 kg / 29.26 LBS
13272.1 g / 130.2 N
100 °C -28.8% 10.12 kg / 22.31 LBS
10117.5 g / 99.3 N
Standard neodymium magnets change their properties parameters after exceeding the maximum temperature. Protect against heat – high temperature can permanently demagnetize this product. As the temperature rises, the magnet's power temporarily decreases. Avoid using this product near heat sources exceeding its safe range. Ignoring the limit will result in irreversible degradation of magnetic properties.
*Engineering note: Temperature resistance is determined by both grade, as well as the dimension ratios. Thin magnets (low permeance coefficient) may lose charge permanently under lower heat stress than taller cylinders. Red status in the table points to permanent field degradation for this particular item.

Table 6: Two magnets (repulsion) - field range
MPL 40x15x6 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 30.32 kg / 66.84 LBS
4 334 Gs
4.55 kg / 10.03 LBS
4547 g / 44.6 N
 N/A
1 mm 28.06 kg / 61.86 LBS
5 508 Gs
4.21 kg / 9.28 LBS
4209 g / 41.3 N
 25.25 kg / 55.67 LBS
~0 Gs
2 mm 25.69 kg / 56.64 LBS
5 271 Gs
3.85 kg / 8.50 LBS
3854 g / 37.8 N
 23.12 kg / 50.97 LBS
~0 Gs
3 mm 23.33 kg / 51.43 LBS
5 023 Gs
3.50 kg / 7.71 LBS
3499 g / 34.3 N
 21.00 kg / 46.29 LBS
~0 Gs
5 mm 18.85 kg / 41.56 LBS
4 515 Gs
2.83 kg / 6.23 LBS
2828 g / 27.7 N
 16.97 kg / 37.40 LBS
~0 Gs
10 mm 10.32 kg / 22.75 LBS
3 341 Gs
1.55 kg / 3.41 LBS
1548 g / 15.2 N
 9.29 kg / 20.48 LBS
~0 Gs
20 mm 3.01 kg / 6.64 LBS
1 805 Gs
0.45 kg / 1.00 LBS
452 g / 4.4 N
 2.71 kg / 5.98 LBS
~0 Gs
50 mm 0.16 kg / 0.35 LBS
416 Gs
0.02 kg / 0.05 LBS
24 g / 0.2 N
 0.14 kg / 0.32 LBS
~0 Gs
60 mm 0.07 kg / 0.16 LBS
282 Gs
0.01 kg / 0.02 LBS
11 g / 0.1 N
 0.07 kg / 0.15 LBS
~0 Gs
70 mm 0.04 kg / 0.08 LBS
199 Gs
0.01 kg / 0.01 LBS
5 g / 0.1 N
 0.03 kg / 0.07 LBS
~0 Gs
80 mm 0.02 kg / 0.04 LBS
144 Gs
0.00 kg / 0.01 LBS
3 g / 0.0 N
 0.02 kg / 0.04 LBS
~0 Gs
90 mm 0.01 kg / 0.02 LBS
108 Gs
0.00 kg / 0.00 LBS
2 g / 0.0 N
 0.01 kg / 0.02 LBS
~0 Gs
100 mm 0.01 kg / 0.01 LBS
83 Gs
0.00 kg / 0.00 LBS
1 g / 0.0 N
 0.00 kg / 0.00 LBS
~0 Gs
Two magnetic products attract each other from a wider radius than a magnet and steel combination. The setup of magnet-to-magnet produces a massive flux and a larger range of operation. Planning to create a powerful holder? Utilize two neodymiums instead of a neodymium and a striker plate. Be careful that when attracting two neodymiums, the impact force is massive. The repulsion force is slightly lower than the attraction, but still impressive.
*The magnetic induction between like poles is approximately ~0 Gs at the midpoint of the gap (caused by magnetic field nullification).
Important: Figures apply to shear force of dual same neodymium magnets (friction ~0.15 for Ni-Ni plating).

Table 7: Hazards (electronics) - warnings
MPL 40x15x6 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 11.0 cm
Hearing aid 10 Gs (1.0 mT) 8.5 cm
Mechanical watch 20 Gs (2.0 mT) 7.0 cm
Mobile device 40 Gs (4.0 mT) 5.5 cm
Car key 50 Gs (5.0 mT) 5.0 cm
Payment card 400 Gs (40.0 mT) 2.0 cm
HDD hard drive 600 Gs (60.0 mT) 1.5 cm
A strong magnetic field poses a real danger to electronic devices and medical implants. These neodymiums produce a flux that prevents correct functioning of sensitive medical devices. Be aware: the unseen radiation passes through tissues and housings. Special caution must be exercised by people with cochlear implants and insulin pumps. The risk also applies to: mechanical watches, remotes, membranes, and displays. Avoid contact with magnetic cards, HDD media, or precise measuring instruments.

Table 8: Collisions (kinetic energy) - collision effects
MPL 40x15x6 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 23.64 km/h
(6.57 m/s)
 0.58 J
30 mm 24.91 km/h
(6.92 m/s)
 0.65 J
50 mm 24.95 km/h
(6.93 m/s)
 0.65 J
100 mm 24.96 km/h
(6.93 m/s)
 0.65 J
Magnetic elements are delicate – a collision with steel causes immediate chipping. Control the attraction moment – a neodymium left loose becomes dangerous. Kinetic force can trigger coating fragments or injury to skin. Hold the magnet firmly during bringing near metal so it doesn't hit with great force against the steel surface. A collision at high speed ends with a crack of the neodymium. Wear safety glasses when working with large magnets.

Table 9: Surface protection spec
MPL 40x15x6 / N38

Technical parameter Value / Description
Coating type [NiCuNi] Nickel
Layer structure Nickel - Copper - Nickel
Layer thickness 10-20 µm
Salt spray test (SST) ? 24 h
Recommended environment Indoors only (dry)
The following table defines the conditions under which this product can be safely used. Note the thickness of the protective layer.

Table 10: Construction data (Pc)
MPL 40x15x6 / N38

Parameter Value SI Unit / Description
Magnetic Flux 16 905 Mx 169.0 µWb
Pc Coefficient 0.31 Low (Flat)
Total magnetic flux passing through the pole surface. Essential parameter in coil applications and motors. The Pc coefficient defines the working geometry.

Table 11: Submerged application
MPL 40x15x6 / N38

Environment Effective steel pull Effect
Air (land) 14.21 kg Standard
Water (riverbed) 16.27 kg
(+2.06 kg buoyancy gain)
+14.5%
Rust risk: This magnet has a standard nickel coating. After use in water, it must be dried and maintained immediately, otherwise it will rust!
Contrary to myths, water does not block the magnetic field. Buoyancy helps in lifting finds.

1. Vertical hold

*Note: On a vertical surface, the magnet holds just ~20% of its max power.

2. Steel thickness impact

*Thin steel (e.g. 0.5mm PC case) significantly limits the holding force.

3. Heat tolerance

*For N38 material, the max working temp is 80°C.

4. Demagnetization curve and operating point (B-H)

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.31

The chart above illustrates the magnetic characteristics of the material within the second quadrant of the hysteresis loop. The solid red line represents the demagnetization curve (material potential), while the dashed blue line is the load line based on the magnet's geometry. The Pc (Permeance Coefficient), also known as the load line slope, is a dimensionless value that describes the relationship between the magnet's shape and its magnetic stability. The intersection of these two lines (the black dot) is the operating point — it determines the actual magnetic flux density generated by the magnet in this specific configuration. A higher Pc value means the magnet is more 'slender' (tall relative to its area), resulting in a higher operating point and better resistance to irreversible demagnetization caused by external fields or temperature. A value of 0.42 is relatively low (typical for flat magnets), meaning the operating point is closer to the 'knee' of the curve — caution is advised when operating at temperatures near the maximum limit to avoid strength loss.

Engineering data and GPSR

Elemental analysis

iron (Fe) 64% – 68%
neodymium (Nd) 29% – 32%
boron (B) 1.1% – 1.2%
dysprosium (Dy) 0.5% – 2.0%
coating (Ni-Cu-Ni) < 0.05%

Sustainability

recyclability (EoL) 100%
recycled raw materials ~10% (pre-cons)
carbon footprint low / zredukowany
waste code (EWC) 16 02 16
Safety card (GPSR)
responsible entity
Dhit sp. z o.o.
ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki
tel: +48 22 499 98 98 | e-mail: bok@dhit.pl
batch number/type
id: 020155-2026
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Component MPL 40x15x6 / N38 features a low profile and industrial pulling force, making it a perfect solution for building separators and machines. As a block magnet with high power (approx. 14.21 kg), this product is available immediately from our warehouse in Poland. The durable anti-corrosion layer ensures a long lifespan in a dry environment, protecting the core from oxidation.
The key to success is shifting the magnets along their largest connection plane (using e.g., the edge of a table), which is easier than trying to tear them apart directly. To separate the MPL 40x15x6 / N38 model, firmly slide one magnet over the edge of the other until the attraction force decreases. We recommend care, because after separation, the magnets may want to violently snap back together, which threatens pinching the skin. Never use metal tools for prying, as the brittle NdFeB material may chip and damage your eyes.
They constitute a key element in the production of wind generators and material handling systems. Thanks to the flat surface and high force (approx. 14.21 kg), they are ideal as hidden locks in furniture making and mounting elements in automation. Their rectangular shape facilitates precise gluing into milled sockets in wood or plastic.
Cyanoacrylate glues (super glue type) are good only for small magnets; for larger plates, we recommend resins. Double-sided tape cushions vibrations, which is an advantage when mounting in moving elements. Avoid chemically aggressive glues or hot glue, which can demagnetize neodymium (above 80°C).
The magnetic axis runs through the shortest dimension, which is typical for gripper magnets. Thanks to this, it works best when "sticking" to sheet metal or another magnet with a large surface area. Such a pole arrangement ensures maximum holding capacity when pressing against the sheet, creating a closed magnetic circuit.
This model is characterized by dimensions 40x15x6 mm, which, at a weight of 27 g, makes it an element with high energy density. It is a magnetic block with dimensions 40x15x6 mm and a self-weight of 27 g, ready to work at temperatures up to 80°C. The product meets the standards for N38 grade magnets.

Pros and cons of neodymium magnets.

Benefits

Besides their immense strength, neodymium magnets offer the following advantages:
  • They retain full power for around 10 years – the loss is just ~1% (based on simulations),
  • They show high resistance to demagnetization induced by external disturbances,
  • A magnet with a smooth gold surface looks better,
  • The surface of neodymium magnets generates a concentrated magnetic field – this is a distinguishing feature,
  • Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the form) even at high temperatures reaching 230°C or more...
  • Thanks to versatility in forming and the capacity to adapt to unusual requirements,
  • Significant place in high-tech industry – they serve a role in magnetic memories, drive modules, diagnostic systems, also other advanced devices.
  • Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications

Weaknesses

Drawbacks and weaknesses of neodymium magnets: application proposals
  • To avoid cracks upon strong impacts, we suggest using special steel holders. Such a solution protects the magnet and simultaneously increases its durability.
  • Neodymium magnets lose their power under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
  • Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material stable to moisture, in case of application outdoors
  • Limited ability of producing threads in the magnet and complicated shapes - preferred is cover - mounting mechanism.
  • Possible danger related to microscopic parts of magnets are risky, in case of ingestion, which gains importance in the context of child health protection. Furthermore, small components of these magnets are able to disrupt the diagnostic process medical after entering the body.
  • High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which hinders application in large quantities

Pull force analysis

Best holding force of the magnet in ideal parameters – what it depends on?

Holding force of 14.21 kg is a theoretical maximum value conducted under specific, ideal conditions:
  • using a base made of high-permeability steel, acting as a ideal flux conductor
  • whose transverse dimension equals approx. 10 mm
  • characterized by smoothness
  • under conditions of ideal adhesion (metal-to-metal)
  • under perpendicular force vector (90-degree angle)
  • at conditions approx. 20°C

Magnet lifting force in use – key factors

It is worth knowing that the working load will differ influenced by the following factors, in order of importance:
  • Gap (betwixt the magnet and the metal), as even a microscopic clearance (e.g. 0.5 mm) results in a reduction in force by up to 50% (this also applies to paint, rust or debris).
  • Loading method – declared lifting capacity refers to detachment vertically. When applying parallel force, the magnet holds significantly lower power (typically approx. 20-30% of nominal force).
  • Steel thickness – insufficiently thick steel does not accept the full field, causing part of the flux to be escaped into the air.
  • Metal type – different alloys attracts identically. High carbon content worsen the interaction with the magnet.
  • Surface condition – ground elements ensure maximum contact, which increases force. Rough surfaces reduce efficiency.
  • Temperature – temperature increase results in weakening of force. Check the maximum operating temperature for a given model.

Holding force was measured on the plate surface of 20 mm thickness, when the force acted perpendicularly, whereas under attempts to slide the magnet the lifting capacity is smaller. In addition, even a slight gap between the magnet and the plate reduces the holding force.

Safe handling of NdFeB magnets
Demagnetization risk

Monitor thermal conditions. Heating the magnet above 80 degrees Celsius will permanently weaken its properties and pulling force.

Machining danger

Fire warning: Neodymium dust is highly flammable. Avoid machining magnets in home conditions as this may cause fire.

Do not underestimate power

Exercise caution. Neodymium magnets attract from a long distance and snap with huge force, often faster than you can move away.

GPS Danger

Note: rare earth magnets generate a field that interferes with precision electronics. Keep a safe distance from your phone, device, and GPS.

Data carriers

Device Safety: Strong magnets can ruin data carriers and delicate electronics (heart implants, hearing aids, mechanical watches).

Magnet fragility

NdFeB magnets are sintered ceramics, meaning they are very brittle. Clashing of two magnets leads to them breaking into small pieces.

Swallowing risk

Adult use only. Tiny parts can be swallowed, causing severe trauma. Keep away from kids and pets.

Implant safety

People with a heart stimulator must maintain an absolute distance from magnets. The magnetic field can stop the functioning of the life-saving device.

Sensitization to coating

Studies show that nickel (standard magnet coating) is a strong allergen. If you have an allergy, refrain from touching magnets with bare hands and opt for versions in plastic housing.

Hand protection

Large magnets can break fingers in a fraction of a second. Under no circumstances place your hand between two attracting surfaces.

Caution! Details about hazards in the article: Safety of working with magnets.