Magnet properties | |
---|---|
Magnet type | Ring |
Material | Ferrite |
Magn. direction | Axial |
Countersunk | No |
Weight [grams] | 163.36 |
Outer ØD [mm] | 72 |
Inner Ød [mm] | 32 |
Thickness [mm] | 10 |
Magnet data | |
Energy grade | Y30H-1 |
Max temp. [°C] | 250 |
Remanens Br [kGauss] | 3.8 - 4.0 |
Remanence Br [Millitesla] | 380 - 400 |
Coercivity HcB [kOe / kA/m] | 2.89 - 3.46 / 230 - 275 |
Coercivity HcJ [kOe / kA/m] | 2.95 - 3.64 / 235 - 290 |
Energy product (BH)max [kJ/m3 / MGOe] | 27.0 - 32.0 / 3.4 - 4.0 |
NPM stands for North Pole Marked.
This means that the side that is north has a marking, most commonly a dot or a line from a red marking pen.
If the manget is SPM, it means that the south side has a marking. Most often in the form of a dot or a line in blue.
For complete information about Ferrite (aswell as the other magnet materials), see our Magnet facts page.
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