Dongguan Vision Plastics Magnetoelectricity Technology Co., Ltd.
                                                                                                           
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N52 Grade NdFeB Magnet 30x19x4.5mm for Motor Rotor Applications with 14.4-14.8 Br Magnetic Strength

Price Negotiable
Price: Negotiable
MOQ: 3 pcs
Delivery Time: 5 - 8 work days
Brand: VISION
Product Description
Product Overview

N52 grade NdFeB magnet measuring 30×19×4.5mm with one flat side and one curved side, specifically engineered for motor rotor applications in electricity supply systems.

Key Features
  • N52 grade - maximum magnetic strength with energy product of 14.4-14.8 Br(kgs)
  • Excellent performance for compressors, motors, and rotors
  • Low temperature coefficient for stable operation
  • High corrosion resistance in freon environments
  • Improves efficiency and stability of air conditioner compressors
Technical Specifications
Parameter Value
Material NdFeB (Neodymium Iron Boron)
Dimensions 30×19×4.5mm (customizable)
Coating Options Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper
Tolerance ±0.05mm or ±0.1mm
Grade Range N33-N52; N33M-N50M; N33H-N48H; N30SH-N45SH; N30UH-N40UH; N28EH-N38EH; N28AH-N35AH
Max Operating Temperature 70°C (N52 grade)
Certifications ROHS, SGS, ISO9001
Magnetic Properties by Grade
Grade Br (kGs) Hcb (kOe) Hcj (kOe) BHmax (MGOe) Max Temp (°C)
N35 11.7-12.1 ≥10.9 ≥12 33-36 80
N38 12.1-12.5 ≥11.3 ≥12 36-39 80
N42 12.8-13.2 ≥11.6 ≥12 40-43 80
N45 13.2-13.8 ≥11.0 ≥12 43-46 80
N48 13.8-14.2 ≥10.5 ≥11 46-49 80
N50 14.0-14.5 ≥10.0 ≥11 47-51 80
Applications
  • Electric motors and generators
  • Wind turbines and wind generators
  • Compressors and air conditioning systems
  • Sensors, speakers, and microphones
  • Magnetic separation and holding devices
Production Process

Melting → Pulverization → Magnetic field orientation and molding → Sintering → Semi-finished inspection → Precision machining → Surface treatment → Magnetizing → Final inspection → Packaging

Neodymium magnet production process flow diagram
Quality Assurance
  • High performance with Br and Hcj values exceeding industry standards
  • Exceptional consistency with surface magnetic field controlled at ±0.05%
  • Superior temperature resistance for demanding applications
  • Customizable shapes, sizes, and magnetization directions
Ordering Information

Minimum order quantity: Samples available
Delivery time: 3-10 days for samples, 10-30 days for production orders

Neodymium magnet technical specifications and ordering details

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Dongguan Vision Plastics Magnetoelectricity Technology Co., Ltd.
Location 1/F, Building 7, Zhengqiangda Science and Technology Park, Xiangyang Road, Shigu Community, Tangxia Town, Dongguan City, Guangdong Province, China
Contact Person Victor

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