11kV Vacuum Interrupter for Generator VCB

The 11kV Vacuum Interrupter for Generator VCB is a customized core arc-extinguishing unit from Sunway Hanguang, specifically designed for GCBs, responsible for generator circuit breaking and fault isolation, safeguarding system safety. It is compatible with 50/60Hz AC systems, with a vacuum degree of ≤1.33×10⁻³Pa, achieving arc-free switching and zero re-ignition, addressing the drawbacks of traditional products such as rapid wear and complex maintenance.

Sunway Hanguang possesses a modern intelligent manufacturing factory, utilizing top-tier international equipment and holding 35 core patents. Its products are KEMA and CESI certified, with over 200,000 units installed globally, and are recognized by State Grid, GE, and others. The 11kV Vacuum Interrupter for Generator VCB is a representative product showcasing the company's core strengths.

Product Parameters

Product Features and Advantages

The 11kV Vacuum Interrupter for Generator VCB offers significant advantages in materials, processes, and service. Key highlights include:

- High-purity Cu-Cr alloy contacts, with a current interruption value of <3A, protecting generator insulation;

- Imported 316L bellows + helium mass spectrometry leak detection, with an annual leakage rate of <0.5%, and a mechanical life exceeding 50,000 cycles;

- Ceramic casing sealed by high-frequency fusion, providing excellent insulation, suitable for wide temperature ranges, high altitudes, and extreme working conditions;

- 15 comprehensive inspections + QR code traceability, with a failure rate of <0.01%, compatible with mainstream GCBs, and tool-free replacement;

- 40 global technical centers providing 7×24-hour comprehensive service.

Product Applications

This product has a wide range of applications and is suitable for various extreme operating conditions, including gas turbine power plants, wind/solar power storage substations, hospital emergency power supplies, and marine power systems, providing reliable protection for power system grid connection and fault isolation.

Frequently Asked Questions

Q1: Do you offer OEM/ODM customization for the 11kV vacuum interrupter for generator VCB?
A: Yes. Sunway Hanguang supports customization of rated current and intelligent monitoring modules, and provides full OEM/ODM services compatible with mainstream GCB platforms. Conventional models ship within 15-30 days.

Q2: How does Sunway Hanguang guarantee the quality of each generator VCB vacuum interrupter?
A: Core components are carefully selected with full-process quality control and traceable electronic records. Each unit undergoes 15 comprehensive inspections with QR-code traceability, resulting in a field failure rate below 0.01%. Products are KEMA and CESI certified and meet IEC 62271-200 Class E2 and JB 8738-2008 standards.

Q3: What is the warranty and after-sales service policy?
A: Every unit is covered by a 10-year limited warranty. 40 global technical centers provide on-site diagnosis, spare parts supply and 7x24 comprehensive service.

Q4: What are the installation and shipping requirements for the 11kV generator VCB vacuum interrupter?
A: Products ship in moisture-proof and shock-resistant packaging. After proper installation, dielectric strength and mechanical characteristics tests should be conducted before commissioning.

Q5: What is the lead time and MOQ for the 11kV generator VCB vacuum interrupter?
A: Standard models are typically delivered within 15-30 days after order confirmation. Minimum order quantity starts from 1 piece for sample and trial orders; volume pricing is available for larger quantities. Contact us for a formal quotation.

Q6: Which applications is this 11kV vacuum interrupter suitable for?
A: It is suitable for generator circuit breakers (GCB) across gas turbine power plants, wind and solar power storage substations, hospital emergency power supplies and marine power systems, providing reliable protection for power system grid connection and fault isolation.