VFDs & Soft Starters

In frequency converters, contactors are primarily concentrated in medium to high-power models (typically 11kW and above) or specific functional designs. Their core functions include optimizing main circuit operation, enabling fault protection, and assisting in capacitor management.

Frequency Converter Schematic Diagram

Product Recommendations for Frequency Converter and Soft Starter Industries:

1.QNZ-A Series Frequency Converter Specific Contactor

   Models: QNZ-50A, 100A, 160A, 200A, 300A, 400A, 500A, 600A  

2. QNZ1-A Series Cost-Effective Transitional Specific Contactor for Frequency Converters

   Models: QNZ1-200A, 300A, 400A, 500A, 600A, 800A  

3. QNZ1-QR Series Energy-Saving Contactor

   Models: QNZ1-50QR, 100QR, 160QR, 200QR, 300QR, 400QR, 500QR, 600QR, 800QR, 1000QR, 1200QR  

4. QNZ1-QRR Series Energy-Saving Contactor with Built-in Buffer Resistor

   Models: QNZ1-50QRR, 100QRR, 160QRR, 200QRR, 300QRR, 400QRR, 500QRR, 600QRR, 800QRR, 1000QRR, 1200QRR  

The QNZ-A series has earned a strong reputation in the frequency converter and soft starter markets. Building on this foundation, our company has successively developed the QNZ1-A, QNZ1-QR, and QNZ1-QRR series, which have received widespread market acclaim for their advanced technology and reliable performance.