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MPL 200x30x30 / 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 020125

GTIN/EAN: 5906301811312

5.00

length

200 mm [±0,1 mm]

Width

30 mm [±0,1 mm]

Height

30 mm [±0,1 mm]

Weight

1350 g

Magnetization Direction

↑ axial

Load capacity

287.38 kg / 2819.19 N

Magnetic Induction

445.15 mT / 4451 Gs

Coating

[NiCuNi] Nickel

technical parameters »

563.28 ZŁ with VAT / pcs + price for transport

457.95 ZŁ net + 23% VAT / pcs

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Strength along with shape of a neodymium magnet can be tested using our online calculation tool.

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Detailed specification - MPL 200x30x30 / N38 - lamellar magnet

Specification / characteristics - MPL 200x30x30 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020125
GTIN/EAN	5906301811312
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	200 mm [±0,1 mm]
Width	30 mm [±0,1 mm]
Height	30 mm [±0,1 mm]
Weight	1350 g
Magnetization Direction	↑ axial
Load capacity ~ ?	287.38 kg / 2819.19 N
Magnetic Induction ~ ?	445.15 mT / 4451 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 200x30x30 / 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 modeling of the product - report

These data are the outcome of a engineering calculation. Values were calculated on models for the class Nd₂Fe₁₄B. Actual parameters might slightly differ from theoretical values. Use these calculations as a supplementary guide for designers.

Table 1: Static pull force (force vs distance) - power drop
MPL 200x30x30 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	4451 Gs 445.1 mT	287.38 kg / 633.56 lbs 287380.0 g / 2819.2 N	crushing
1 mm	4241 Gs 424.1 mT	260.91 kg / 575.21 lbs 260910.0 g / 2559.5 N	crushing
2 mm	4028 Gs 402.8 mT	235.43 kg / 519.04 lbs 235433.0 g / 2309.6 N	crushing
3 mm	3818 Gs 381.8 mT	211.49 kg / 466.26 lbs 211490.2 g / 2074.7 N	crushing
5 mm	3412 Gs 341.2 mT	168.87 kg / 372.30 lbs 168870.4 g / 1656.6 N	crushing
10 mm	2539 Gs 253.9 mT	93.54 kg / 206.22 lbs 93539.2 g / 917.6 N	crushing
15 mm	1902 Gs 190.2 mT	52.48 kg / 115.70 lbs 52481.2 g / 514.8 N	crushing
20 mm	1457 Gs 145.7 mT	30.79 kg / 67.88 lbs 30789.8 g / 302.0 N	crushing
30 mm	920 Gs 92.0 mT	12.29 kg / 27.09 lbs 12288.2 g / 120.5 N	crushing
50 mm	456 Gs 45.6 mT	3.02 kg / 6.65 lbs 3016.4 g / 29.6 N	warning

Pulling power decreases sharply per each millimeter of distance. Keep in mind that even a very thin break (e.g., dirt, varnish, veneer) significantly weakens the grip. Magnetic products work optimally during direct contact; air break weakens the force. Notice how flashily the pull force plummet, when the magnet does not touch flatly to the steel surface. When calculating the mounting, avoid redundant distances.

Table 2: Slippage capacity (wall)
MPL 200x30x30 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	57.48 kg / 126.71 lbs 57476.0 g / 563.8 N
1 mm	Stal (~0.2)	52.18 kg / 115.04 lbs 52182.0 g / 511.9 N
2 mm	Stal (~0.2)	47.09 kg / 103.81 lbs 47086.0 g / 461.9 N
3 mm	Stal (~0.2)	42.30 kg / 93.25 lbs 42298.0 g / 414.9 N
5 mm	Stal (~0.2)	33.77 kg / 74.46 lbs 33774.0 g / 331.3 N
10 mm	Stal (~0.2)	18.71 kg / 41.24 lbs 18708.0 g / 183.5 N
15 mm	Stal (~0.2)	10.50 kg / 23.14 lbs 10496.0 g / 103.0 N
20 mm	Stal (~0.2)	6.16 kg / 13.58 lbs 6158.0 g / 60.4 N
30 mm	Stal (~0.2)	2.46 kg / 5.42 lbs 2458.0 g / 24.1 N
50 mm	Stal (~0.2)	0.60 kg / 1.33 lbs 604.0 g / 5.9 N

The following data indicates the approximate shear load needed to cause the shifting of the magnet down along a vertical metal surface (considering standard friction coefficient). The holding force varies with the air gap between the magnet and the surface.

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
MPL 200x30x30 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	86.21 kg / 190.07 lbs 86214.0 g / 845.8 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	57.48 kg / 126.71 lbs 57476.0 g / 563.8 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	28.74 kg / 63.36 lbs 28738.0 g / 281.9 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	143.69 kg / 316.78 lbs 143690.0 g / 1409.6 N

When hanging a magnet on a vertical wall (e.g., a board), it will maintain just about 20%-30% of nominal attraction strength. Gravity as well as a low friction coefficient influence the fact that holders move down easier than they pull off. Designing a hanger? Remember that the sliding force is significantly lower than the perpendicular breakaway force. On a slippery surface, the holder will slip down under a much lighter load. Application of an anti-slip layer can drastically improve the result.

Table 4: Steel thickness (saturation) - power losses
MPL 200x30x30 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	3%	9.58 kg / 21.12 lbs 9579.3 g / 94.0 N
1 mm	8%	23.95 kg / 52.80 lbs 23948.3 g / 234.9 N
2 mm	17%	47.90 kg / 105.59 lbs 47896.7 g / 469.9 N
3 mm	25%	71.85 kg / 158.39 lbs 71845.0 g / 704.8 N
5 mm	42%	119.74 kg / 263.98 lbs 119741.7 g / 1174.7 N
10 mm	83%	239.48 kg / 527.97 lbs 239483.3 g / 2349.3 N
11 mm	92%	263.43 kg / 580.77 lbs 263431.7 g / 2584.3 N
12 mm	100%	287.38 kg / 633.56 lbs 287380.0 g / 2819.2 N

A thin metal plate is incapable of take in the full magnetic flux, which squanders power of the holder. If you install a neodymium to a weak sheet, the magnetism will penetrate right through and the holding will be smaller. To utilize full efficiency of this magnet's power, you need a suitably thick piece of steel. The saturation effect causes that on sheet metal structures (e.g., thin profiles), the holder shows lower pull force. We suggest choosing the steel dimension according to the table below.

Table 5: Thermal resistance (material behavior) - resistance threshold
MPL 200x30x30 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	287.38 kg / 633.56 lbs 287380.0 g / 2819.2 N	OK
40 °C	-2.2%	281.06 kg / 619.63 lbs 281057.6 g / 2757.2 N	OK
60 °C	-4.4%	274.74 kg / 605.69 lbs 274735.3 g / 2695.2 N
80 °C	-6.6%	268.41 kg / 591.75 lbs 268412.9 g / 2633.1 N
100 °C	-28.8%	204.61 kg / 451.10 lbs 204614.6 g / 2007.3 N

Standard neodymium magnets lose parameters past the thermal threshold. Avoid high temperatures – high temperature can irreversibly damage this product. With increasing heat, the magnet's force briefly lowers. Refrain from using this magnet close to heaters exceeding its operating temperature limit. Exceeding the critical threshold will cause permanent loss of magnetism.

*Important note: Heat tolerance is determined by both grade, as well as the dimension ratios. Flat magnets (low Pc) risk losing magnetic properties under lower heat stress than taller cylinders. Warning indicator in the table indicates a risk of irreversible loss for this particular item.

Table 6: Two magnets (attraction) - field range
MPL 200x30x30 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Sliding Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	732.71 kg / 1615.35 lbs 5 371 Gs	109.91 kg / 242.30 lbs 109907 g / 1078.2 N	N/A
1 mm	698.96 kg / 1540.95 lbs 8 694 Gs	104.84 kg / 231.14 lbs 104845 g / 1028.5 N	629.07 kg / 1386.85 lbs ~0 Gs
2 mm	665.22 kg / 1466.57 lbs 8 481 Gs	99.78 kg / 219.99 lbs 99784 g / 978.9 N	598.70 kg / 1319.91 lbs ~0 Gs
3 mm	632.29 kg / 1393.97 lbs 8 269 Gs	94.84 kg / 209.10 lbs 94844 g / 930.4 N	569.07 kg / 1254.57 lbs ~0 Gs
5 mm	569.22 kg / 1254.92 lbs 7 846 Gs	85.38 kg / 188.24 lbs 85383 g / 837.6 N	512.30 kg / 1129.42 lbs ~0 Gs
10 mm	430.56 kg / 949.22 lbs 6 823 Gs	64.58 kg / 142.38 lbs 64584 g / 633.6 N	387.50 kg / 854.29 lbs ~0 Gs
20 mm	238.49 kg / 525.78 lbs 5 078 Gs	35.77 kg / 78.87 lbs 35774 g / 350.9 N	214.64 kg / 473.20 lbs ~0 Gs
50 mm	48.45 kg / 106.82 lbs 2 289 Gs	7.27 kg / 16.02 lbs 7268 g / 71.3 N	43.61 kg / 96.13 lbs ~0 Gs
60 mm	31.33 kg / 69.07 lbs 1 841 Gs	4.70 kg / 10.36 lbs 4700 g / 46.1 N	28.20 kg / 62.16 lbs ~0 Gs
70 mm	21.09 kg / 46.49 lbs 1 510 Gs	3.16 kg / 6.97 lbs 3163 g / 31.0 N	18.98 kg / 41.84 lbs ~0 Gs
80 mm	14.67 kg / 32.35 lbs 1 260 Gs	2.20 kg / 4.85 lbs 2201 g / 21.6 N	13.21 kg / 29.12 lbs ~0 Gs
90 mm	10.50 kg / 23.15 lbs 1 066 Gs	1.58 kg / 3.47 lbs 1575 g / 15.5 N	9.45 kg / 20.83 lbs ~0 Gs
100 mm	7.69 kg / 16.95 lbs 912 Gs	1.15 kg / 2.54 lbs 1154 g / 11.3 N	6.92 kg / 15.26 lbs ~0 Gs

Two magnets attract each other from a much further distance than a magnet and sheet combination. The setup of magnet-to-magnet creates a more powerful interaction and a wider radius of action. Want to build a powerful holder? Use a pair of magnets instead of one magnet and a striker plate. Remember that when connecting a pair of magnets, the pinch force is massive. The repulsion force is slightly lower than the attraction, but still large.
*Flux density for N-N configuration is approximately ~0 Gs in the exact middle between the magnets (resulting from vector opposition).
Important: Calculations show friction force of two matching neodymium magnets (friction ~0.15 for Ni-Ni layer).

Table 7: Safety (HSE) (electronics) - warnings
MPL 200x30x30 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	39.5 cm
Hearing aid	10 Gs (1.0 mT)	30.5 cm
Mechanical watch	20 Gs (2.0 mT)	23.5 cm
Phone / Smartphone	40 Gs (4.0 mT)	18.0 cm
Car key	50 Gs (5.0 mT)	16.5 cm
Payment card	400 Gs (40.0 mT)	5.5 cm
HDD hard drive	600 Gs (60.0 mT)	4.5 cm

Extremely neodym field poses a real danger to IT equipment as well as medical implants. These magnets generate a field that disrupts operation of digital equipment. Be aware: the unseen radiation passes through tissues and housings. Exceptional care must be exercised by people with hearing aids and insulin pumps. Influence will be felt by: automatic timepieces, remotes, membranes, and displays. Avoid contact with magnetic cards, hard drives, or precise measuring instruments.

Table 8: Collisions (cracking risk) - collision effects
MPL 200x30x30 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	17.45 km/h (4.85 m/s)	15.86 J
30 mm	26.16 km/h (7.27 m/s)	35.64 J
50 mm	33.12 km/h (9.20 m/s)	57.12 J
100 mm	46.56 km/h (12.93 m/s)	112.90 J

Magnetic elements are delicate – a violent impact against metal causes immediate chipping. Pay attention to connection velocity – a magnet released freely speeds with massive force. Striking energy can trigger coating fragments or painful pinches to skin. Be sure to control the product during bringing near metal so it doesn't slam with momentum against the steel surface. A contact at a velocity of dozens of km/h means shattering of the neodymium. Wear safety glasses when playing with large magnets.

Table 9: Surface protection spec
MPL 200x30x30 / 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)

Neodymium magnets are highly susceptible to corrosion without proper protection. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Construction data (P_c)
MPL 200x30x30 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	221 734 Mx	2217.3 µWb
P_c Coefficient	0.45	Low (Flat)

Flux value passing through the pole surface. Essential parameter for generator designers and motors. The P_c coefficient determines the magnet's operating point.

Table 11: Hydrostatics and buoyancy
MPL 200x30x30 / N38

Environment	Effective steel pull	Effect
Air (land)	287.38 kg	Standard
Water (riverbed)	329.05 kg (+41.67 kg buoyancy gain)	+14.5%

Corrosion warning: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.

The magnetic field penetrates through water without any losses. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Shear force

*Note: On a vertical surface, the magnet retains merely approx. 20-30% of its max power.

2. Efficiency vs thickness

*Thin steel (e.g. computer case) significantly weakens the holding force.

3. Temperature resistance

*For standard magnets, the max working temp is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.45

This simulation demonstrates the magnetic stability of the selected magnet under specific geometric conditions. 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 specification and ecology

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: 020125-2026

Measurement Calculator

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Force (N)

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Induction (Gs)

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This product is a very powerful plate magnet made of NdFeB material, which, with dimensions of 200x30x30 mm and a weight of 1350 g, guarantees premium class connection. This magnetic block with a force of 2819.19 N is ready for shipment in 24h, allowing for rapid realization of your project. Additionally, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, giving it an aesthetic appearance.

Separating strong flat magnets requires a technique based on sliding (moving one relative to the other), rather than forceful pulling apart. To separate the MPL 200x30x30 / 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.

Plate magnets MPL 200x30x30 / N38 are the foundation for many industrial devices, such as filters catching filings and linear motors. Thanks to the flat surface and high force (approx. 287.38 kg), they are ideal as closers 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. For lighter applications or mounting on smooth surfaces, branded foam tape (e.g., 3M VHB) will work, provided the surface is perfectly degreased. Avoid chemically aggressive glues or hot glue, which can demagnetize neodymium (above 80°C).

Standardly, the MPL 200x30x30 / N38 model is magnetized through the thickness (dimension 30 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. Such a pole arrangement ensures maximum holding capacity when pressing against the sheet, creating a closed magnetic circuit.

The presented product is a neodymium magnet with precisely defined parameters: 200 mm (length), 30 mm (width), and 30 mm (thickness). It is a magnetic block with dimensions 200x30x30 mm and a self-weight of 1350 g, ready to work at temperatures up to 80°C. The protective [NiCuNi] coating secures the magnet against corrosion.

Pros as well as cons of neodymium magnets.

Strengths

Apart from their consistent magnetism, neodymium magnets have these key benefits:

They retain full power for nearly ten years – the loss is just ~1% (according to analyses),
They show high resistance to demagnetization induced by presence of other magnetic fields,
The use of an aesthetic layer of noble metals (nickel, gold, silver) causes the element to be more visually attractive,
The surface of neodymium magnets generates a strong magnetic field – this is one of their assets,
Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
Considering the option of precise shaping and customization to unique projects, neodymium magnets can be created in a broad palette of shapes and sizes, which makes them more universal,
Wide application in electronics industry – they are used in magnetic memories, electromotive mechanisms, precision medical tools, also multitasking production systems.
Thanks to efficiency per cm³, small magnets offer high operating force, with minimal size,

Disadvantages

What to avoid - cons of neodymium magnets: weaknesses and usage proposals

At strong impacts they can crack, therefore we advise placing them in steel cases. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
Neodymium magnets lose strength when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of strength (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation and corrosion.
Due to limitations in creating threads and complex forms in magnets, we propose using casing - magnetic mechanism.
Possible danger related to microscopic parts of magnets can be dangerous, when accidentally swallowed, which becomes key in the aspect of protecting the youngest. Furthermore, tiny parts of these products can complicate diagnosis medical in case of swallowing.
Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Lifting parameters

Maximum lifting force for a neodymium magnet – what contributes to it?

Holding force of 287.38 kg is a theoretical maximum value conducted under specific, ideal conditions:

on a block made of mild steel, perfectly concentrating the magnetic flux
whose thickness equals approx. 10 mm
with a plane perfectly flat
under conditions of ideal adhesion (surface-to-surface)
during pulling in a direction perpendicular to the plane
in stable room temperature

Determinants of practical lifting force of a magnet

Holding efficiency impacted by working environment parameters, including (from most important):

Distance (between the magnet and the metal), as even a microscopic distance (e.g. 0.5 mm) can cause a reduction in force by up to 50% (this also applies to paint, corrosion or dirt).
Loading method – catalog parameter refers to pulling vertically. When applying parallel force, the magnet exhibits significantly lower power (often approx. 20-30% of maximum force).
Metal thickness – the thinner the sheet, the weaker the hold. Magnetic flux penetrates through instead of converting into lifting capacity.
Material composition – different alloys reacts the same. High carbon content worsen the attraction effect.
Surface finish – ideal contact is possible only on smooth steel. Rough texture reduce the real contact area, reducing force.
Thermal environment – heating the magnet causes a temporary drop of induction. Check the maximum operating temperature for a given model.

Lifting capacity testing was conducted on plates with a smooth surface of optimal thickness, under perpendicular forces, whereas under attempts to slide the magnet the lifting capacity is smaller. In addition, even a slight gap between the magnet’s surface and the plate decreases the holding force.

Warnings

Health Danger

Warning for patients: Powerful magnets affect medical devices. Keep minimum 30 cm distance or ask another person to handle the magnets.

Nickel allergy

Medical facts indicate that nickel (standard magnet coating) is a strong allergen. For allergy sufferers, refrain from touching magnets with bare hands and choose encased magnets.

Handling rules

Use magnets with awareness. Their immense force can shock even professionals. Be vigilant and do not underestimate their power.

Operating temperature

Keep cool. NdFeB magnets are sensitive to heat. If you require resistance above 80°C, inquire about special high-temperature series (H, SH, UH).

This is not a toy

Only for adults. Small elements pose a choking risk, leading to intestinal necrosis. Store away from children and animals.

Beware of splinters

NdFeB magnets are sintered ceramics, which means they are prone to chipping. Collision of two magnets will cause them breaking into small pieces.

Fire warning

Mechanical processing of neodymium magnets poses a fire risk. Magnetic powder reacts violently with oxygen and is difficult to extinguish.

Electronic devices

Equipment safety: Neodymium magnets can ruin payment cards and sensitive devices (pacemakers, medical aids, timepieces).

Bone fractures

Large magnets can crush fingers in a fraction of a second. Do not put your hand betwixt two strong magnets.

Compass and GPS

A powerful magnetic field disrupts the operation of compasses in phones and navigation systems. Keep magnets close to a smartphone to prevent breaking the sensors.

Safety First! Want to know more? Read our article: Why are neodymium magnets dangerous?

MPL 200x30x30 / N38 - lamellar magnet

Detailed specification - MPL 200x30x30 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Technical modeling of the product - report

Table 1: Static pull force (force vs distance) - power drop MPL 200x30x30 / N38

Table 2: Slippage capacity (wall) MPL 200x30x30 / N38

Table 3: Wall mounting (shearing) - behavior on slippery surfaces MPL 200x30x30 / N38

Table 4: Steel thickness (saturation) - power losses MPL 200x30x30 / N38

Table 5: Thermal resistance (material behavior) - resistance threshold MPL 200x30x30 / N38

Table 6: Two magnets (attraction) - field range MPL 200x30x30 / N38

Table 7: Safety (HSE) (electronics) - warnings MPL 200x30x30 / N38

Table 8: Collisions (cracking risk) - collision effects MPL 200x30x30 / N38

Table 9: Surface protection spec MPL 200x30x30 / N38

Table 10: Construction data (Pc) MPL 200x30x30 / N38

Table 11: Hydrostatics and buoyancy MPL 200x30x30 / N38

1. Shear force

2. Efficiency vs thickness

3. Temperature resistance

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

Elemental analysis

Environmental data

Force (pull)

Magnetic Induction

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Pros as well as cons of neodymium magnets.

Strengths

Disadvantages

Lifting parameters

Maximum lifting force for a neodymium magnet – what contributes to it?

Determinants of practical lifting force of a magnet

Warnings

Health Danger

Nickel allergy

Handling rules

Operating temperature

This is not a toy

Beware of splinters

Fire warning

Electronic devices

Bone fractures

Compass and GPS

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (force vs distance) - power drop
MPL 200x30x30 / N38

Table 2: Slippage capacity (wall)
MPL 200x30x30 / N38

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
MPL 200x30x30 / N38

Table 4: Steel thickness (saturation) - power losses
MPL 200x30x30 / N38

Table 5: Thermal resistance (material behavior) - resistance threshold
MPL 200x30x30 / N38

Table 6: Two magnets (attraction) - field range
MPL 200x30x30 / N38

Table 7: Safety (HSE) (electronics) - warnings
MPL 200x30x30 / N38

Table 8: Collisions (cracking risk) - collision effects
MPL 200x30x30 / N38

Table 9: Surface protection spec
MPL 200x30x30 / N38

Table 10: Construction data (P_c)
MPL 200x30x30 / N38

Table 11: Hydrostatics and buoyancy
MPL 200x30x30 / N38