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Hertzman (Hangzhou) Power Technology Co., Ltd.: Innovating Power Solutions for a Sustainable Future​​ Introduction

2025-09-11 09:52

Hertzman (Hangzhou) Power Technology Co., Ltd. is a Sino-foreign joint venture specializing in the research, development, and manufacturing of power distribution components and complete power solutions. With a strong focus on high reliability, intelligence, and miniaturization, the company has established itself as a leader in the power industry, serving a wide range of sectors including power supply systems, railways, large public buildings, and commercial real estate.

Product Portfolio

Hertzman offers a comprehensive portfolio of medium and low-voltage electrical products designed to meet the evolving needs of modern power systems. Key product lines include:

1. NXSAFE Metal-Armored Removable Switchgear

  • Compliant with IEC 60298, IEC 60694, GB3906, and DL404 standards.

  • Designed with operator safety as a priority, featuring independent compartments and pressure relief channels.

  • Rated for voltages up to 40.5 kV, with current ratings up to 5000 A.

2. NXRING Gas-Insulated Ring Main Units (RMU)

  • Compact, SF6-insulated switchgear suitable for secondary distribution networks.

  • Modular design allows for easy expansion and adaptation to various applications.

3. VHZ4 Series Vacuum Circuit Breakers

  • Available in fixed, removable, and side-mounted configurations.

  • Intelligent versions (VHZ4i) feature real-time monitoring and diagnostics for enhanced reliability.

4. EXSINE Low-Voltage Drawout Switchgear

  • Designed for reliable power distribution and motor control.

  • Features advanced safety mechanisms, arc resistance, and smart cloud connectivity via DAVIDCLOUD.

5. EXVAR Intelligent Power Capacitors

  • Support reactive power compensation with options for thyristor switching and harmonic filtering.

6. DAVIDCLOUD Intelligent Operation and Maintenance System

  • A cloud-based platform enabling remote monitoring, predictive maintenance, and data analytics for power systems.

Technological Strengths

Hertzman’s products are built on a foundation of innovation and quality:

  • High Reliability: All products undergo rigorous type testing and comply with international standards.

  • Smart Integration: Many devices support IoT connectivity, enabling real-time data acquisition and control.

  • Environmental Responsibility: Products like the R-AIR air-insulated switchgear and SOGEAR solid-insulated RMU reduce or eliminate SF6 usage, supporting greener grid solutions.

Applications

Hertzman’s solutions are widely used in:

  • Public and industrial power distribution networks

  • Railway electrification systems

  • Commercial complexes and data centers

  • Renewable energy integration, including solar and energy storage systems

Certifications and Intellectual Property

The company holds numerous patents and software copyrights, covering innovations in circuit breaker design, interlocking mechanisms, and intelligent monitoring systems. Hertzman is also certified under various national and international standards, ensuring product quality and reliability.

Conclusion

Hertzman (Hangzhou) Power Technology Co., Ltd. continues to lead the industry through technological innovation and a customer-centric approach. By providing high-performance, intelligent, and eco-friendly power solutions, the company supports the global transition toward more efficient and sustainable energy infrastructure.


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