ABB 5VHK350 Medium Voltage Vacuum Circuit Breaker

Short Description:

ABB 5VHK350 is a reliable medium voltage vacuum circuit breaker mainly used for


Product Detail

ABB 5VHK350 is a reliable medium voltage vacuum circuit breaker mainly used for switching, protection and control in 5kV power distribution systems. It features stable interrupting performance and long mechanical life, widely applied in power substations, power plants and industrial power systems.

Key Specifications

  • Model: 5VHK350
  • Rated Voltage: 5kV (4.76kV)
  • Breaking Capacity: 350 MVA
  • Control Voltage: 125VDC
  • Operation Mode: Motor operated
  • Installation Type: Draw-out / withdrawable structure
  • Applicable for indoor power distribution installations

Main Features

  • Stable vacuum arc extinguishing and reliable breaking performance

  • Compact structure, easy for installation and maintenance

  • Long mechanical and electrical service life

  • Withdrawable design for convenient replacement and overhaul

  • Excellent safety and protection performance for power equipment

  • Suitable for frequent operation conditions

Typical Applications

  • Medium voltage power distribution in power plants and substations

  • Transformer and high-voltage motor protection

  • Industrial power supply and distribution systems

  • Urban and industrial power grid switching and protection

About us

Guizhou Yuanmiao Automation Equipment Co., Ltd. is a professional supplier engaged in industrial automation spare parts and international trade. We mainly supply genuine DCS systems, PLC modules, synchronous relays, servo drives, robot spare parts and other widely used control components.

We focus on world-famous brands such as ABB, Siemens, Woodward, Bently, GE and others. With reliable overseas sourcing, fast delivery and quality guarantee, we provide global customers with cost-effective products and professional foreign trade services.

Our products are widely used in power plants, substations, oil and gas, metallurgy, data centers, marine and manufacturing industries. We are committed to becoming a trustworthy one-stop partner for industrial automation spare parts.


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