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MPL 3x3x1 / N38 - lamellar magnet

Name: Dhit sp. z o.o.
Address: Kościuszki 6A, Ożarów Mazowiecki, Poland, 05-850, PL
Telephone: +48 22 499 98 98
Price range: PLN 1-6500
Rating: 5

lamellar magnet

Catalog no 020146

GTIN/EAN: 5906301811527

5.00

length

3 mm [±0,1 mm]

Width

3 mm [±0,1 mm]

Height

1 mm [±0,1 mm]

Weight

0.07 g

Magnetization Direction

↑ axial

Load capacity

0.23 kg / 2.29 N

Magnetic Induction

317.31 mT / 3173 Gs

Coating

[NiCuNi] Nickel

check properties »

0.1845 ZŁ with VAT / pcs + price for transport

0.1500 ZŁ net + 23% VAT / pcs

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Technical details - MPL 3x3x1 / N38 - lamellar magnet

Specification / characteristics - MPL 3x3x1 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020146
GTIN/EAN	5906301811527
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	3 mm [±0,1 mm]
Width	3 mm [±0,1 mm]
Height	1 mm [±0,1 mm]
Weight	0.07 g
Magnetization Direction	↑ axial
Load capacity ~ ?	0.23 kg / 2.29 N
Magnetic Induction ~ ?	317.31 mT / 3173 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 3x3x1 / N38 - lamellar magnet

properties	values	units
remenance Br [min. - max.] ?	12.2-12.6	kGs
remenance Br [min. - max.] ?	1220-1260	mT
coercivity bHc ?	10.8-11.5	kOe
coercivity bHc ?	860-915	kA/m
actual internal force iHc	≥ 12	kOe
actual internal force iHc	≥ 955	kA/m
energy density [min. - max.] ?	36-38	BH max MGOe
energy density [min. - max.] ?	287-303	BH max KJ/m
max. temperature ?	≤ 80	°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	312 - 380	°C
Curie Temperature TF	593 - 716	°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

Technical analysis of the assembly - data

These data are the result of a engineering calculation. Results were calculated on models for the class Nd₂Fe₁₄B. Operational conditions might slightly deviate from the simulation results. Use these calculations as a reference point for designers.

Table 1: Static pull force (force vs distance) - characteristics
MPL 3x3x1 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	3168 Gs 316.8 mT	0.23 kg / 0.51 lbs 230.0 g / 2.3 N	weak grip
1 mm	1565 Gs 156.5 mT	0.06 kg / 0.12 lbs 56.1 g / 0.6 N	weak grip
2 mm	659 Gs 65.9 mT	0.01 kg / 0.02 lbs 9.9 g / 0.1 N	weak grip
3 mm	307 Gs 30.7 mT	0.00 kg / 0.00 lbs 2.2 g / 0.0 N	weak grip
5 mm	94 Gs 9.4 mT	0.00 kg / 0.00 lbs 0.2 g / 0.0 N	weak grip
10 mm	15 Gs 1.5 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	weak grip
15 mm	5 Gs 0.5 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	weak grip
20 mm	2 Gs 0.2 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	weak grip
30 mm	1 Gs 0.1 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	weak grip
50 mm	0 Gs 0.0 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	weak grip

Magnetic force weakens significantly with every mm of distance. Remember that even a microscopic distance (e.g., dirt, paint, veneer) significantly diminishes the holding power. Neodymiums operate optimally in perfect adhesion; air break kills the power. Observe how rapidly the parameters plummet, when the product does not touch tightly to the steel surface. When designing the arrangement, eliminate unnecessary gaps.

Table 2: Shear load (wall)
MPL 3x3x1 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	0.05 kg / 0.10 lbs 46.0 g / 0.5 N
1 mm	Stal (~0.2)	0.01 kg / 0.03 lbs 12.0 g / 0.1 N
2 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 2.0 g / 0.0 N
3 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
5 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
10 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
15 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
20 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
30 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N

The following data calculates the estimated holding capacity needed to cause the sliding of the magnet vertically against a vertical steel wall (assuming typical friction coefficient). This value depends on the distance between the magnet and the metal.

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MPL 3x3x1 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	0.07 kg / 0.15 lbs 69.0 g / 0.7 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	0.05 kg / 0.10 lbs 46.0 g / 0.5 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.02 kg / 0.05 lbs 23.0 g / 0.2 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	0.12 kg / 0.25 lbs 115.0 g / 1.1 N

When placing a magnet on a vertical plane (e.g., a car body), it will only hold barely about 20%-30% of its maximum pull force. Gravity and a low friction coefficient mean that products slide down easier than they pop off the substrate. Want to create a wall mount? Remember that the sliding force is significantly lower than the maximum static pull force. On a smooth steel, the element will slide down under a much lighter load. Application of an anti-slip coating can significantly increase the grip.

Table 4: Steel thickness (saturation) - sheet metal selection
MPL 3x3x1 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.02 kg / 0.05 lbs 23.0 g / 0.2 N
1 mm	25%	0.06 kg / 0.13 lbs 57.5 g / 0.6 N
2 mm	50%	0.12 kg / 0.25 lbs 115.0 g / 1.1 N
3 mm	75%	0.17 kg / 0.38 lbs 172.5 g / 1.7 N
5 mm	100%	0.23 kg / 0.51 lbs 230.0 g / 2.3 N
10 mm	100%	0.23 kg / 0.51 lbs 230.0 g / 2.3 N
11 mm	100%	0.23 kg / 0.51 lbs 230.0 g / 2.3 N
12 mm	100%	0.23 kg / 0.51 lbs 230.0 g / 2.3 N

A thin sheet is incapable of conduct the entire magnetic field, which weakens actual performance of the magnet. Should you mount a strong magnet to a weak sheet, the flux will penetrate right through and the pull force will drop sharply. To utilize the maximum of this neodymium's potential, you require a sufficiently solid piece of steel. The saturation phenomenon means that on delicate walls (e.g., thin profiles), the product works worse. We suggest choosing the steel thickness based on the following data.

Table 5: Working in heat (material behavior) - resistance threshold
MPL 3x3x1 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	0.23 kg / 0.51 lbs 230.0 g / 2.3 N	OK
40 °C	-2.2%	0.22 kg / 0.50 lbs 224.9 g / 2.2 N	OK
60 °C	-4.4%	0.22 kg / 0.48 lbs 219.9 g / 2.2 N
80 °C	-6.6%	0.21 kg / 0.47 lbs 214.8 g / 2.1 N
100 °C	-28.8%	0.16 kg / 0.36 lbs 163.8 g / 1.6 N

Ordinary NdFeB products irreversibly lose strength after exceeding the maximum temperature. Watch out for overheating – excessive heat can permanently damage this magnet. With increasing heat, the magnet's capacity momentarily drops. Avoid using this product close to heaters higher than its safe range. Too high temperature will lead to irreversible degradation of magnetic properties.

*Technical advisory: Thermal stability depends not only on the material grade, as well as the dimension ratios. Flat magnets (pancake types) are more susceptible to demagnetization at lower temperatures than taller cylinders. Red status in the table signals permanent field degradation for this specific geometry.

Table 6: Magnet-Magnet interaction (repulsion) - field range
MPL 3x3x1 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Lateral Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	0.56 kg / 1.23 lbs 4 719 Gs	0.08 kg / 0.18 lbs 84 g / 0.8 N	N/A
1 mm	0.31 kg / 0.68 lbs 4 706 Gs	0.05 kg / 0.10 lbs 46 g / 0.5 N	0.28 kg / 0.61 lbs ~0 Gs
2 mm	0.14 kg / 0.30 lbs 3 129 Gs	0.02 kg / 0.04 lbs 20 g / 0.2 N	0.12 kg / 0.27 lbs ~0 Gs
3 mm	0.06 kg / 0.12 lbs 2 019 Gs	0.01 kg / 0.02 lbs 8 g / 0.1 N	0.05 kg / 0.11 lbs ~0 Gs
5 mm	0.01 kg / 0.02 lbs 885 Gs	0.00 kg / 0.00 lbs 2 g / 0.0 N	0.01 kg / 0.02 lbs ~0 Gs
10 mm	0.00 kg / 0.00 lbs 188 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
20 mm	0.00 kg / 0.00 lbs 30 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
50 mm	0.00 kg / 0.00 lbs 2 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
60 mm	0.00 kg / 0.00 lbs 1 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
70 mm	0.00 kg / 0.00 lbs 1 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
80 mm	0.00 kg / 0.00 lbs 1 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
90 mm	0.00 kg / 0.00 lbs 0 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
100 mm	0.00 kg / 0.00 lbs 0 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs

Two strong neodymiums attract each other from a significantly greater distance than a magnet and steel combination. The setup of two magnets produces a massive flux and a further horizon of performance. Want to build a strong closure? Apply two magnets instead of a neodymium and a steel. Be careful that when bringing together two magnets, the collision energy is huge. The repulsion force is marginally weaker than the connection force, but still large.
*Flux density between like poles drops to ~0 Gs in the exact middle of the gap (caused by magnetic field nullification).
Note: Calculations show friction force of two same magnets (friction coefficient ~0.15 for Ni-Ni coating).

Table 7: Safety (HSE) (implants) - precautionary measures
MPL 3x3x1 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	1.5 cm
Hearing aid	10 Gs (1.0 mT)	1.5 cm
Mechanical watch	20 Gs (2.0 mT)	1.0 cm
Phone / Smartphone	40 Gs (4.0 mT)	1.0 cm
Car key	50 Gs (5.0 mT)	1.0 cm
Payment card	400 Gs (40.0 mT)	0.5 cm
HDD hard drive	600 Gs (60.0 mT)	0.5 cm

Extremely neodym field is a large risk to IT equipment and pacemakers. These neodymiums produce a field that prevents correct functioning of sensitive medical devices. Notice: the unseen radiation acts through matter and glass. Exceptional care must be taken by people with hearing aids and insulin pumps. Also at risk are: mechanical watches, car keys, membranes, and displays. Do not bring the product near payment cards, HDD media, or sensitive navigation tools.

Table 8: Dynamics (cracking risk) - warning
MPL 3x3x1 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	57.81 km/h (16.06 m/s)	0.01 J
30 mm	100.13 km/h (27.81 m/s)	0.03 J
50 mm	129.27 km/h (35.91 m/s)	0.05 J
100 mm	182.81 km/h (50.78 m/s)	0.09 J

Magnetic elements are delicate – a strong collision with metal risks their cracking. Pay attention to connection velocity – a neodymium left loose speeds with massive force. Kinetic force can trigger coating fragments or injury to skin. Always hold the magnet during installation so it doesn't hit with great force against the steel surface. A contact at a velocity of dozens of km/h means shattering of the magnet. Wear eye protection when playing with powerful specimens.

Table 9: Coating parameters (durability)
MPL 3x3x1 / 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)

For outdoor applications, an epoxy coating is required; standard nickel is intended for indoor use. Note the thickness of the protective layer.

Table 10: Electrical data (Flux)
MPL 3x3x1 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	306 Mx	3.1 µWb
P_c Coefficient	0.40	Low (Flat)

Flux value passing through the magnet pole. Essential parameter when building generators as well as sensors. The P_c coefficient defines the magnet's operating point.

Table 11: Underwater work (magnet fishing)
MPL 3x3x1 / N38

Environment	Effective steel pull	Effect
Air (land)	0.23 kg	Standard
Water (riverbed)	0.26 kg (+0.03 kg buoyancy gain)	+14.5%

Corrosion warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.

The magnetic field penetrates through water without any losses. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.

1. Vertical hold

*Warning: On a vertical wall, the magnet retains just a fraction of its nominal pull.

2. Plate thickness effect

*Thin steel (e.g. computer case) severely limits the holding force.

3. Heat tolerance

*For standard magnets, the safety limit is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.40

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 P_c (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 P_c 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.

Technical and environmental data

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%

Environmental data

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: 020146-2026

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SM 32x225 [2xM8] / N42 - magnetic separator

750.30 ZŁ brutto / pcs

This product is a very powerful magnet in the shape of a plate made of NdFeB material, which, with dimensions of 3x3x1 mm and a weight of 0.07 g, guarantees premium class connection. This magnetic block with a force of 2.29 N is ready for shipment in 24h, allowing for rapid realization of your project. Additionally, its Ni-Cu-Ni coating protects it against corrosion in standard operating conditions, giving it an aesthetic appearance.

Separating block magnets requires a technique based on sliding (moving one relative to the other), rather than forceful pulling apart. Watch your fingers! Magnets with a force of 0.23 kg can pinch very hard and cause hematomas. Using a screwdriver risks destroying the coating and permanently cracking the magnet.

Plate magnets MPL 3x3x1 / N38 are the foundation for many industrial devices, such as magnetic separators and linear motors. Thanks to the flat surface and high force (approx. 0.23 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. Remember to roughen and wash the magnet surface before gluing, which significantly increases the adhesion of the glue to the nickel coating.

Standardly, the MPL 3x3x1 / N38 model is magnetized through the thickness (dimension 1 mm), which means that the N and S poles are located on its largest, flat surfaces. Thanks to this, it works best when "sticking" to sheet metal or another magnet with a large surface area. This is the most popular configuration for block magnets used in separators and holders.

This model is characterized by dimensions 3x3x1 mm, which, at a weight of 0.07 g, makes it an element with high energy density. The key parameter here is the holding force amounting to approximately 0.23 kg (force ~2.29 N), which, with such a compact shape, proves the high power of the material. The product meets the standards for N38 grade magnets.

Strengths as well as weaknesses of rare earth magnets.

Advantages

Besides their immense strength, neodymium magnets offer the following advantages:

They retain full power for almost 10 years – the drop is just ~1% (according to analyses),
Magnets effectively defend themselves against demagnetization caused by external fields,
Thanks to the elegant finish, the layer of nickel, gold-plated, or silver-plated gives an aesthetic appearance,
They are known for high magnetic induction at the operating surface, which affects their effectiveness,
Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
Possibility of detailed modeling as well as adjusting to atypical conditions,
Fundamental importance in high-tech industry – they serve a role in HDD drives, electric drive systems, precision medical tools, also technologically advanced constructions.
Compactness – despite small sizes they generate large force, making them ideal for precision applications

Cons

Disadvantages of NdFeB magnets:

They are prone to damage upon heavy impacts. To avoid cracks, it is worth protecting magnets using a steel holder. Such protection not only protects the magnet but also increases its resistance to damage
We warn that neodymium magnets can reduce their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
They oxidize in a humid environment - during use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
We suggest cover - magnetic mount, due to difficulties in creating nuts inside the magnet and complicated forms.
Potential hazard to health – tiny shards of magnets can be dangerous, if swallowed, which is particularly important in the context of child safety. It is also worth noting that small components of these devices are able to disrupt the diagnostic process medical after entering the body.
Due to expensive raw materials, their price is higher than average,

Pull force analysis

Maximum holding power of the magnet – what it depends on?

The load parameter shown represents the limit force, obtained under ideal test conditions, specifically:

with the use of a sheet made of special test steel, ensuring maximum field concentration
with a cross-section of at least 10 mm
with an ground touching surface
with total lack of distance (no paint)
during detachment in a direction perpendicular to the plane
in temp. approx. 20°C

Magnet lifting force in use – key factors

Bear in mind that the working load may be lower subject to elements below, in order of importance:

Gap between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by varnish or dirt) drastically reduces the pulling force, often by half at just 0.5 mm.
Angle of force application – highest force is available only during pulling at a 90° angle. The resistance to sliding of the magnet along the surface is typically many times lower (approx. 1/5 of the lifting capacity).
Plate thickness – insufficiently thick sheet does not close the flux, causing part of the flux to be escaped into the air.
Steel grade – ideal substrate is high-permeability steel. Stainless steels may generate lower lifting capacity.
Surface structure – the smoother and more polished the surface, the larger the contact zone and higher the lifting capacity. Roughness creates an air distance.
Temperature – temperature increase results in weakening of force. Check the thermal limit for a given model.

Lifting capacity testing was carried out on plates with a smooth surface of suitable thickness, under perpendicular forces, in contrast under shearing force the lifting capacity is smaller. In addition, even a small distance between the magnet and the plate reduces the load capacity.

H&S for magnets

Heat warning

Do not overheat. NdFeB magnets are susceptible to heat. If you require operation above 80°C, look for HT versions (H, SH, UH).

Choking Hazard

Strictly keep magnets out of reach of children. Ingestion danger is high, and the effects of magnets connecting inside the body are fatal.

Fire warning

Powder generated during grinding of magnets is self-igniting. Do not drill into magnets unless you are an expert.

Finger safety

Risk of injury: The attraction force is so immense that it can result in hematomas, pinching, and broken bones. Use thick gloves.

Eye protection

Despite the nickel coating, the material is delicate and not impact-resistant. Avoid impacts, as the magnet may shatter into sharp, dangerous pieces.

Threat to electronics

Data protection: Strong magnets can ruin payment cards and delicate electronics (heart implants, medical aids, timepieces).

Pacemakers

For implant holders: Strong magnetic fields affect medical devices. Maintain at least 30 cm distance or ask another person to handle the magnets.

Safe operation

Use magnets consciously. Their powerful strength can surprise even professionals. Plan your moves and do not underestimate their force.

Sensitization to coating

Warning for allergy sufferers: The Ni-Cu-Ni coating contains nickel. If skin irritation happens, cease handling magnets and use protective gear.

Keep away from electronics

GPS units and smartphones are extremely sensitive to magnetism. Close proximity with a powerful NdFeB magnet can ruin the sensors in your phone.

Warning! Looking for details? Check our post: Why are neodymium magnets dangerous?

MPL 3x3x1 / N38 - lamellar magnet

Technical details - MPL 3x3x1 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Technical analysis of the assembly - data

Table 1: Static pull force (force vs distance) - characteristics MPL 3x3x1 / N38

Table 2: Shear load (wall) MPL 3x3x1 / N38

Table 3: Wall mounting (sliding) - behavior on slippery surfaces MPL 3x3x1 / N38

Table 4: Steel thickness (saturation) - sheet metal selection MPL 3x3x1 / N38

Table 5: Working in heat (material behavior) - resistance threshold MPL 3x3x1 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field range MPL 3x3x1 / N38

Table 7: Safety (HSE) (implants) - precautionary measures MPL 3x3x1 / N38

Table 8: Dynamics (cracking risk) - warning MPL 3x3x1 / N38

Table 9: Coating parameters (durability) MPL 3x3x1 / N38

Table 10: Electrical data (Flux) MPL 3x3x1 / N38

Table 11: Underwater work (magnet fishing) MPL 3x3x1 / N38

1. Vertical hold

2. Plate thickness effect

3. Heat tolerance

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

Elemental analysis

Environmental data

Pulling force

Magnetic Induction

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MP 30x6x10 / N38 - ring magnet

MW 4x10 / N38 - cylindrical magnet

UMH 20x7x35 [M4] / N38 - magnetic holder with hook

SM 32x225 [2xM8] / N42 - magnetic separator

Strengths as well as weaknesses of rare earth magnets.

Advantages

Cons

Pull force analysis

Maximum holding power of the magnet – what it depends on?

Magnet lifting force in use – key factors

H&S for magnets

Heat warning

Choking Hazard

Fire warning

Finger safety

Eye protection

Threat to electronics

Pacemakers

Safe operation

Sensitization to coating

Keep away from electronics

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (force vs distance) - characteristics
MPL 3x3x1 / N38

Table 2: Shear load (wall)
MPL 3x3x1 / N38

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MPL 3x3x1 / N38

Table 4: Steel thickness (saturation) - sheet metal selection
MPL 3x3x1 / N38

Table 5: Working in heat (material behavior) - resistance threshold
MPL 3x3x1 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field range
MPL 3x3x1 / N38

Table 7: Safety (HSE) (implants) - precautionary measures
MPL 3x3x1 / N38

Table 8: Dynamics (cracking risk) - warning
MPL 3x3x1 / N38

Table 9: Coating parameters (durability)
MPL 3x3x1 / N38

Table 10: Electrical data (Flux)
MPL 3x3x1 / N38

Table 11: Underwater work (magnet fishing)
MPL 3x3x1 / N38