Key Properties:
- Higher permeability for higher measuring accuracy (when compared with silicon steel core)
- Excellent to replacement of Mu-metal
- High Bs,  1.2T
- lower manufacturing costs (when compared with permalloy)
- Long durability range  -30°C ~ + 180°C
Typical Parameter | Â |
Saturated Induction Density | Bs =Â 1.2 T |
Material Permeability | µo >8x104 Gs/Oe |
crystallization temperature | Tx >510ºC |
Vickers Hardness | Hv= 880 kg/mm2 |
Curie Temperature | Tc >570°C |
Density | Ï =Â 7.2 g/cm3 |
Electrical Resistivity | r = δ ≥130µΩcm |
Thickness | 29~35µm |
Lamination Factor | 0.75~0.82 |
Materical | Silicon Steel | Nickel Iron | Ferrite | Amorphous | Nano Crystalline | ||
50Ni | 80Ni | Mn-Zn | Cobalt Iron | Fe Iron | |||
Bs (T) | 2 | 1.55 | 0.74 | 0.5 | 0.58 | 1.65 | 1.2 |
HC (Oe) | 0.5 | 0.15 | 0.03 | 0.1 | 0.005 | 0.03 | 0.1 |
Initial Permeability (µo) | 1500 | 6000 | >40000 | 3000 | >60000 | 5000 | >100000 |
Max. Permeability (µm) | 2 x 104 | 6 x 104 | 2 x 105 | 6 x 103 | 1 x 106 | 5 x 104 | 1 x 106 |
Resistivity | 50 | 30 | 60 | 106 | 120 | 130 | 80 |
Curie Temperature (°C) | 750 | 500 | 500 | 140 | 225 | 400 | 570 |
Crystallization | - | - | - | - | 530 | 510 | 510/570 |
Main Application:
Instrument current transformer Core with accuracy class 0.2, 0.2s, Bushing current transformer for Epoxy resin cast, Gas insulated or oil-immersed switch-gears, LV, MV and HV switch-gear, power system, relay protection system, power monitoring devices.

Flexible Design:
1.Toroidal Shape, Rectangular Shape, Oval Shape.

2.Packing Method: SS+PCB(Stainless Steel+Plastic); DMC (Plastic), Epoxy Resin Coating, Crepe Paper, PMP, DMP, glass cloth ,etc.

3.Customised Size as request. Our Common Standard for your first reference as below:


 We can design & produce goods based on specifications & drawing, specification needed including:
- Bare core size, Size finished
- Current Transformer Turns Ratio
- Capacity (VA)
- AccuracyÂ

Addr :No.1 JiShan BuXia Lu,TianHe District, Guangzhou City, China
Tel :+86-20-85649266
Fax :+86-20-85649263
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