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MPL 30x5x5 / 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 020448

GTIN/EAN: 5906301811923

length

30 mm [±0,1 mm]

Width

5 mm [±0,1 mm]

Height

5 mm [±0,1 mm]

Weight

5.63 g

Magnetization Direction

↑ axial

Load capacity

7.03 kg / 68.96 N

Magnetic Induction

446.27 mT / 4463 Gs

Coating

[NiCuNi] Nickel

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Technical specification - MPL 30x5x5 / N38 - lamellar magnet

Specification / characteristics - MPL 30x5x5 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020448
GTIN/EAN	5906301811923
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	30 mm [±0,1 mm]
Width	5 mm [±0,1 mm]
Height	5 mm [±0,1 mm]
Weight	5.63 g
Magnetization Direction	↑ axial
Load capacity ~ ?	7.03 kg / 68.96 N
Magnetic Induction ~ ?	446.27 mT / 4463 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 30x5x5 / 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

Engineering simulation of the assembly - data

The following values constitute the result of a engineering calculation. Results are based on algorithms for the material Nd₂Fe₁₄B. Actual parameters may deviate from the simulation results. Please consider these calculations as a preliminary roadmap when designing systems.

Table 1: Static pull force (force vs distance) - interaction chart
MPL 30x5x5 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	4458 Gs 445.8 mT	7.03 kg / 15.50 lbs 7030.0 g / 69.0 N	strong
1 mm	3235 Gs 323.5 mT	3.70 kg / 8.16 lbs 3702.2 g / 36.3 N	strong
2 mm	2271 Gs 227.1 mT	1.82 kg / 4.02 lbs 1825.0 g / 17.9 N	safe
3 mm	1628 Gs 162.8 mT	0.94 kg / 2.07 lbs 937.0 g / 9.2 N	safe
5 mm	927 Gs 92.7 mT	0.30 kg / 0.67 lbs 304.2 g / 3.0 N	safe
10 mm	342 Gs 34.2 mT	0.04 kg / 0.09 lbs 41.4 g / 0.4 N	safe
15 mm	166 Gs 16.6 mT	0.01 kg / 0.02 lbs 9.7 g / 0.1 N	safe
20 mm	92 Gs 9.2 mT	0.00 kg / 0.01 lbs 3.0 g / 0.0 N	safe
30 mm	36 Gs 3.6 mT	0.00 kg / 0.00 lbs 0.5 g / 0.0 N	safe
50 mm	9 Gs 0.9 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	safe

Pulling power drops sharply per each millimeter of distance. Remember that every additional insulation layer (e.g., dirt, varnish, dust) strongly diminishes the holding power. Neodymiums operate optimally in perfect adhesion; gap nullifies the power. Notice how rapidly the load capacity plummet, when the product does not touch tightly to the steel surface. When calculating the mounting, eliminate additional spacers.

Table 2: Slippage hold (vertical surface)
MPL 30x5x5 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	1.41 kg / 3.10 lbs 1406.0 g / 13.8 N
1 mm	Stal (~0.2)	0.74 kg / 1.63 lbs 740.0 g / 7.3 N
2 mm	Stal (~0.2)	0.36 kg / 0.80 lbs 364.0 g / 3.6 N
3 mm	Stal (~0.2)	0.19 kg / 0.41 lbs 188.0 g / 1.8 N
5 mm	Stal (~0.2)	0.06 kg / 0.13 lbs 60.0 g / 0.6 N
10 mm	Stal (~0.2)	0.01 kg / 0.02 lbs 8.0 g / 0.1 N
15 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 2.0 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 shows the approximate shear load needed to cause the downward movement of the magnet vertically on a vertical metal surface (assuming standard friction). This parameter varies with the separation distance between the magnet and the surface.

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces
MPL 30x5x5 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	2.11 kg / 4.65 lbs 2109.0 g / 20.7 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	1.41 kg / 3.10 lbs 1406.0 g / 13.8 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.70 kg / 1.55 lbs 703.0 g / 6.9 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	3.52 kg / 7.75 lbs 3515.0 g / 34.5 N

When mounting a element on a vertical plane (e.g., a board), it will only hold only approx. 1/5 of its nominal power. Gravitational force as well as a low friction coefficient influence the fact that products slip easier than they pop off the substrate. Planning a wall mount? Remember that the shear force is significantly lower than the maximum static pull force. On a painted metal, the magnet will slide down under a much lighter weight. Utilizing a rubberized coating can significantly raise the stability.

Table 4: Steel thickness (saturation) - power losses
MPL 30x5x5 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.70 kg / 1.55 lbs 703.0 g / 6.9 N
1 mm	25%	1.76 kg / 3.87 lbs 1757.5 g / 17.2 N
2 mm	50%	3.52 kg / 7.75 lbs 3515.0 g / 34.5 N
3 mm	75%	5.27 kg / 11.62 lbs 5272.5 g / 51.7 N
5 mm	100%	7.03 kg / 15.50 lbs 7030.0 g / 69.0 N
10 mm	100%	7.03 kg / 15.50 lbs 7030.0 g / 69.0 N
11 mm	100%	7.03 kg / 15.50 lbs 7030.0 g / 69.0 N
12 mm	100%	7.03 kg / 15.50 lbs 7030.0 g / 69.0 N

A thin metal plate is incapable of focus the full magnetic flux, which squanders power of the holder. Should you install a neodymium to a weak sheet, the flux will penetrate right through and the attraction force will be weaker. To squeeze the maximum of this magnet's potential, you need a suitably thick element of metal. The saturation effect causes that on thin elements (e.g., thin profiles), the magnet holds weaker. We suggest choosing the steel cross-section according to the table below.

Table 5: Thermal stability (stability) - resistance threshold
MPL 30x5x5 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	7.03 kg / 15.50 lbs 7030.0 g / 69.0 N	OK
40 °C	-2.2%	6.88 kg / 15.16 lbs 6875.3 g / 67.4 N	OK
60 °C	-4.4%	6.72 kg / 14.82 lbs 6720.7 g / 65.9 N
80 °C	-6.6%	6.57 kg / 14.48 lbs 6566.0 g / 64.4 N
100 °C	-28.8%	5.01 kg / 11.03 lbs 5005.4 g / 49.1 N

Ordinary NdFeB products lose strength above the temperature limit. Protect against heat – excessive heat can permanently demagnetize this magnet. With every degree above norm, the neodymium's capacity momentarily decreases. Refrain from using this magnet close to ovens higher than its working range. Too high temperature will lead to permanent loss of magnetic properties.

*Engineering note: Temperature resistance depends not only on the material grade, but also on the magnet's shape. Thin magnets (low permeance coefficient) risk losing magnetic properties sooner than long magnets. Warning indicator in the table indicates permanent field degradation for this specific geometry.

Table 6: Magnet-Magnet interaction (attraction) - field range
MPL 30x5x5 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Lateral Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	18.38 kg / 40.52 lbs 5 383 Gs	2.76 kg / 6.08 lbs 2757 g / 27.0 N	N/A
1 mm	13.60 kg / 29.99 lbs 7 670 Gs	2.04 kg / 4.50 lbs 2040 g / 20.0 N	12.24 kg / 26.99 lbs ~0 Gs
2 mm	9.68 kg / 21.34 lbs 6 470 Gs	1.45 kg / 3.20 lbs 1452 g / 14.2 N	8.71 kg / 19.20 lbs ~0 Gs
3 mm	6.79 kg / 14.97 lbs 5 419 Gs	1.02 kg / 2.25 lbs 1018 g / 10.0 N	6.11 kg / 13.47 lbs ~0 Gs
5 mm	3.39 kg / 7.48 lbs 3 830 Gs	0.51 kg / 1.12 lbs 509 g / 5.0 N	3.05 kg / 6.73 lbs ~0 Gs
10 mm	0.80 kg / 1.75 lbs 1 855 Gs	0.12 kg / 0.26 lbs 119 g / 1.2 N	0.72 kg / 1.58 lbs ~0 Gs
20 mm	0.11 kg / 0.24 lbs 684 Gs	0.02 kg / 0.04 lbs 16 g / 0.2 N	0.10 kg / 0.21 lbs ~0 Gs
50 mm	0.00 kg / 0.01 lbs 111 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 72 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 49 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 34 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 25 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 19 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs

Two strong neodymiums interact from a much further distance than a neodymium and metal setup. Such a system of magnet-to-magnet creates a more powerful interaction and a wider radius of operation. Want to build a strong closure? Use a pair of magnets instead of one magnet and a striker plate. Exercise caution that when connecting a pair of magnets, the impact force is huge. The repulsion force is marginally weaker than the connection force, but still significant.
*The magnetic induction in repulsion mode is approximately ~0 Gs at the midpoint between the magnets (caused by magnetic field nullification).
* Calculations refer to friction force of a pair of matching magnets (friction coefficient ~0.15 for Ni-Ni plating).

Table 7: Hazards (electronics) - precautionary measures
MPL 30x5x5 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	6.5 cm
Hearing aid	10 Gs (1.0 mT)	5.0 cm
Timepiece	20 Gs (2.0 mT)	4.0 cm
Mobile device	40 Gs (4.0 mT)	3.0 cm
Car key	50 Gs (5.0 mT)	3.0 cm
Payment card	400 Gs (40.0 mT)	1.0 cm
HDD hard drive	600 Gs (60.0 mT)	1.0 cm

Powerful magnet radiation poses a real danger to IT equipment as well as medical implants. These magnets generate a field that destroys function of digital equipment. Notice: the invisible magnetic field acts through matter and plastic. Special caution must be exercised by people with cochlear implants and drug dispensers. Also at risk are: automatic timepieces, remotes, membranes, and displays. Avoid contact with magnetic cards, HDD media, or precise measuring instruments.

Table 8: Impact energy (kinetic energy) - warning
MPL 30x5x5 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	35.77 km/h (9.94 m/s)	0.28 J
30 mm	61.73 km/h (17.15 m/s)	0.83 J
50 mm	79.69 km/h (22.14 m/s)	1.38 J
100 mm	112.70 km/h (31.30 m/s)	2.76 J

Neodymium magnets are very brittle – a collision with steel can result in shattering. Control the attraction moment – a neodymium left loose turns into a projectile. Striking energy can cause material chips or painful pinches to fingers. Always hold the magnet during mounting so it doesn't hit with great force against the steel surface. A collision at high speed means shattering of the neodymium. Wear safety glasses when playing with powerful specimens.

Table 9: Anti-corrosion coating durability
MPL 30x5x5 / 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. The silver nickel coating also serves an aesthetic function but is not fully waterproof.

Table 10: Construction data (P_c)
MPL 30x5x5 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	5 700 Mx	57.0 µWb
P_c Coefficient	0.46	Low (Flat)

Total magnetic flux passing through the magnet pole. Key data in coil applications as well as sensors. P_c value determines the working geometry.

Table 11: Physics of underwater searching
MPL 30x5x5 / N38

Environment	Effective steel pull	Effect
Air (land)	7.03 kg	Standard
Water (riverbed)	8.05 kg (+1.02 kg buoyancy gain)	+14.5%

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

Contrary to myths, water does not block the magnetic field. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Sliding resistance

*Warning: On a vertical wall, the magnet retains just approx. 20-30% of its max power.

2. Plate thickness effect

*Thin metal sheet (e.g. 0.5mm PC case) drastically weakens the holding force.

3. Power loss vs temp

*For N38 material, the safety limit is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.46

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 specification and ecology

Material specification

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: 020448-2026

Magnet Unit Converter

Force (pull)

Kilograms (kg)

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Gauss (Gs)

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Simply complete any input, to let the tool compute the rest instantly.

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MW 12x50 / N38 - cylindrical magnet

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2.76 ZŁ brutto / pcs

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MW 45x30 / N38 - cylindrical magnet

136.80 ZŁ brutto / pcs

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MW 9x3 / N38 - cylindrical magnet

1.132 ZŁ brutto / pcs

Component MPL 30x5x5 / N38 features a flat shape and industrial pulling force, making it a perfect solution for building separators and machines. As a block magnet with high power (approx. 7.03 kg), this product is available off-the-shelf from our warehouse in Poland. The durable anti-corrosion layer ensures a long lifespan in a dry environment, protecting the core from oxidation.

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 7.03 kg can pinch very hard and cause hematomas. Using a screwdriver risks destroying the coating and permanently cracking the magnet.

They constitute a key element in the production of wind generators and material handling systems. Thanks to the flat surface and high force (approx. 7.03 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. In practice, this means that this magnet has the greatest attraction force on its main planes (30x5 mm), which is ideal for flat mounting. This is the most popular configuration for block magnets used in separators and holders.

The presented product is a neodymium magnet with precisely defined parameters: 30 mm (length), 5 mm (width), and 5 mm (thickness). The key parameter here is the lifting capacity amounting to approximately 7.03 kg (force ~68.96 N), which, with such a flat shape, proves the high grade of the material. The protective [NiCuNi] coating secures the magnet against corrosion.

Pros as well as cons of Nd₂Fe₁₄B magnets.

Advantages

In addition to their magnetic capacity, neodymium magnets provide the following advantages:

They do not lose magnetism, even over nearly 10 years – the reduction in strength is only ~1% (based on measurements),
They are noted for resistance to demagnetization induced by presence of other magnetic fields,
Thanks to the metallic finish, the surface of Ni-Cu-Ni, gold-plated, or silver gives an aesthetic appearance,
Neodymium magnets ensure maximum magnetic induction on a small surface, which increases force concentration,
Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
Possibility of exact shaping and adjusting to individual needs,
Fundamental importance in future technologies – they are commonly used in data components, brushless drives, medical devices, and multitasking production systems.
Thanks to efficiency per cm³, small magnets offer high operating force, in miniature format,

Disadvantages

Disadvantages of neodymium magnets:

To avoid cracks under impact, we recommend using special steel housings. Such a solution protects the magnet and simultaneously improves its durability.
We warn that neodymium magnets can lose their power at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
Due to the susceptibility of magnets to corrosion in a humid environment, we suggest using waterproof magnets made of rubber, plastic or other material resistant to moisture, when using outdoors
We suggest a housing - magnetic holder, due to difficulties in realizing nuts inside the magnet and complex shapes.
Possible danger related to microscopic parts of magnets pose a threat, if swallowed, which is particularly important in the aspect of protecting the youngest. Additionally, small components of these products can disrupt the diagnostic process medical in case of swallowing.
Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Holding force characteristics

Maximum magnetic pulling force – what contributes to it?

The declared magnet strength refers to the peak performance, recorded under laboratory conditions, specifically:

on a block made of structural steel, optimally conducting the magnetic flux
whose transverse dimension is min. 10 mm
with an polished touching surface
under conditions of no distance (metal-to-metal)
for force acting at a right angle (pull-off, not shear)
in stable room temperature

Practical lifting capacity: influencing factors

During everyday use, the actual lifting capacity depends on several key aspects, presented from crucial:

Gap (betwixt the magnet and the metal), as even a microscopic distance (e.g. 0.5 mm) can cause a decrease in lifting capacity by up to 50% (this also applies to varnish, rust or debris).
Load vector – highest force is reached only during perpendicular pulling. The resistance to sliding of the magnet along the surface is typically several times smaller (approx. 1/5 of the lifting capacity).
Steel thickness – insufficiently thick plate does not close the flux, causing part of the flux to be escaped to the other side.
Material type – ideal substrate is pure iron steel. Stainless steels may have worse magnetic properties.
Surface finish – ideal contact is possible only on smooth steel. Any scratches and bumps reduce the real contact area, weakening the magnet.
Operating temperature – neodymium magnets have a negative temperature coefficient. When it is hot they are weaker, and in frost they can be stronger (up to a certain limit).

Holding force was tested 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’s surface and the plate reduces the load capacity.

H&S for magnets

Bone fractures

Danger of trauma: The attraction force is so immense that it can cause hematomas, pinching, and even bone fractures. Protective gloves are recommended.

Sensitization to coating

It is widely known that nickel (standard magnet coating) is a potent allergen. If your skin reacts to metals, refrain from direct skin contact and select versions in plastic housing.

Dust explosion hazard

Dust produced during grinding of magnets is flammable. Avoid drilling into magnets without proper cooling and knowledge.

Magnetic media

Avoid bringing magnets near a wallet, computer, or screen. The magnetism can irreversibly ruin these devices and erase data from cards.

Magnetic interference

A strong magnetic field negatively affects the functioning of compasses in phones and GPS navigation. Do not bring magnets close to a smartphone to avoid damaging the sensors.

Choking Hazard

Absolutely keep magnets out of reach of children. Choking hazard is significant, and the effects of magnets connecting inside the body are life-threatening.

Respect the power

Be careful. Neodymium magnets attract from a long distance and snap with huge force, often quicker than you can move away.

ICD Warning

Health Alert: Neodymium magnets can turn off heart devices and defibrillators. Do not approach if you have medical devices.

Maximum temperature

Monitor thermal conditions. Heating the magnet above 80 degrees Celsius will ruin its magnetic structure and pulling force.

Material brittleness

NdFeB magnets are sintered ceramics, meaning they are prone to chipping. Impact of two magnets leads to them shattering into small pieces.

Danger! Need more info? Check our post: Are neodymium magnets dangerous?

MPL 30x5x5 / N38 - lamellar magnet

Technical specification - MPL 30x5x5 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering simulation of the assembly - data

Table 1: Static pull force (force vs distance) - interaction chart MPL 30x5x5 / N38

Table 2: Slippage hold (vertical surface) MPL 30x5x5 / N38

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces MPL 30x5x5 / N38

Table 4: Steel thickness (saturation) - power losses MPL 30x5x5 / N38

Table 5: Thermal stability (stability) - resistance threshold MPL 30x5x5 / N38

Table 6: Magnet-Magnet interaction (attraction) - field range MPL 30x5x5 / N38

Table 7: Hazards (electronics) - precautionary measures MPL 30x5x5 / N38

Table 8: Impact energy (kinetic energy) - warning MPL 30x5x5 / N38

Table 9: Anti-corrosion coating durability MPL 30x5x5 / N38

Table 10: Construction data (Pc) MPL 30x5x5 / N38

Table 11: Physics of underwater searching MPL 30x5x5 / N38

1. Sliding resistance

2. Plate thickness effect

3. Power loss vs temp

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

Material specification

Sustainability

Force (pull)

Field Strength

Other proposals

MW 12x50 / N38 - cylindrical magnet

MP 20x5x5 / N38 - ring magnet

MW 45x30 / N38 - cylindrical magnet

MW 9x3 / N38 - cylindrical magnet

Pros as well as cons of Nd2Fe14B magnets.

Advantages

Disadvantages

Holding force characteristics

Maximum magnetic pulling force – what contributes to it?

Practical lifting capacity: influencing factors

H&S for magnets

Bone fractures

Sensitization to coating

Dust explosion hazard

Magnetic media

Magnetic interference

Choking Hazard

Respect the power

ICD Warning

Maximum temperature

Material brittleness

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (force vs distance) - interaction chart
MPL 30x5x5 / N38

Table 2: Slippage hold (vertical surface)
MPL 30x5x5 / N38

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces
MPL 30x5x5 / N38

Table 4: Steel thickness (saturation) - power losses
MPL 30x5x5 / N38

Table 5: Thermal stability (stability) - resistance threshold
MPL 30x5x5 / N38

Table 6: Magnet-Magnet interaction (attraction) - field range
MPL 30x5x5 / N38

Table 7: Hazards (electronics) - precautionary measures
MPL 30x5x5 / N38

Table 8: Impact energy (kinetic energy) - warning
MPL 30x5x5 / N38

Table 9: Anti-corrosion coating durability
MPL 30x5x5 / N38

Table 10: Construction data (P_c)
MPL 30x5x5 / N38

Table 11: Physics of underwater searching
MPL 30x5x5 / N38

Pros as well as cons of Nd₂Fe₁₄B magnets.