Nippon-Core Electrical Co.,Ltd.

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1. E-cores

The cores are wound from Grain Oriented silicon steel strip and are annealed in high vacuum furnace under protection atmosphere. The impregnation is done in vacuum impregnating equipment, low-stress and high-viscosity resin is being used. Fine ...

2. Rectangular cores

The cores are wound from Grain Oriented silicon steel strip and are annealed in high vacuum furnace under protection atmosphere. Special tools warrantees a smooth external quality and accurate window dimensions. Comparing to Step-R-cores, rectangular ...

3. CUT CORES

Cut cores are manufactured according to customer specifications, These types of cores are used in the production fo chokes, combined instrument transformers and specially designed transformers.

Cut cores are assembled with a certain air-gap ...

4. Clamp shape cores

The cores are wound from thin Grain Oriented silicon steel strip and are annealed in high vacuum furnace under protection atmosphere. The impregnation is done in vacuum impregnating equipment, low-stress and high-viscosity resin is being used. ...

5. O-cores

OA series
Nippon-Core developed a patent product named O-core, which is wound in Nippon steel HI-B oriented electrical steels and no-load-losses are guaranteed.

Advantages
Compact dimension; high efficiency; low magnetic leakage; continuous ...

6. Distributed gap cores

Distributed gap core is similar in shape to a c-core, however it has only one gap in one of the legs, unlike C-cores, each and every layer of strips have only one cut, thus the core has extremely low core losses.

Other advantages of distributed ...

7. R-Cores

R-cores are wound in Nippon Steel Hi-B oriented electrical steels and no-load-losses are guaranteed.

Advantages
Comact dimension; high efficiency; low magnetic leakage; reliable safety; low bumming etc.

Besides transformer cores, winding ...

8. Mini toroidal cores

Nippon-Core manufactures high quality mini toroidal cores which are wound by automatic core winding machine and annealed in continuous belt type furnaces, The advanced manufacturing process warrantee the cores have precise dimensions, excellent ...

9. Toroidal cores

Nippon-Core produces toroidal cores in many different dimensions made to order to customer specifications, Nippon-core produces both A series toroidal core and B series toroidal cores.
Toroidal cores are used in instrument transformers, power ...

10. C-cores

Nippon-Core manufactures a wide range of strip wound C-cores to satisfy the demands of the electronic and electrical industries in the manufacture of transformers, chokes, reactors and magnetic amplifiers.C-cores are produced in four standard ...

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