7.2KV Vacuum Interrupter For Contactor

The 7.2kV Vacuum Interrupter for Contactor is an arc extinguishing unit developed by Sunway Hanguang to address the core needs of medium-voltage control, completely solving the problems of arc interference and frequent maintenance associated with traditional products.

As a leading enterprise in medium-voltage vacuum arc extinguishing components, the company owns a professional factory equipped with fully automated production lines and a complete traceability system. The product manufacturing base is located in China, ensuring both quality and delivery efficiency, serving customers worldwide. Its core parameters offer significant advantages: a rated voltage of 7.2kV, suitable for 50Hz systems, a vacuum degree of ≥1.33×10⁻³Pa, arc-free switching, maintenance-free operation, and compatibility with mainstream contactors, making it widely applicable in high-end fields.

Product Features and Advantages:

1. Excellent Performance, Safe and Durable

Utilizing high-purity Cu-Cr alloy contacts and imported 316L stainless steel bellows, strict helium mass spectrometry leak detection ensures sealing, with an annual leakage rate of <0.5%; the integrated ceramic and metal structure withstands extreme temperatures, humidity, and high altitudes, providing 30 years of maintenance-free operation and guaranteeing the long-term safe and stable operation of the 7.2kV Vacuum Interrupter for Contactor.

2. Leading Technology, Controllable Quality

Based on core processes such as high-frequency induction sealing, core components are strictly selected and inspected, with full-process quality control; each product undergoes 12 comprehensive inspections before leaving the factory, with traceability labels, resulting in a failure rate of ≤0.02%, demonstrating the quality strength of a professional manufacturer.

3. Wide Adaptability, Intelligent and Expandable

Perfectly compatible with mainstream contactor platforms worldwide, allowing for quick tool-free replacement and meeting high-frequency operation requirements; optional monitoring modules can be added, connecting to PLC and SCADA systems, adapting to Industry 4.0, giving the 7.2kV Vacuum Interrupter for Contactor stronger scene adaptability and intelligent capabilities.

4. Strong Endorsement, Comprehensive Service

With over 30 core patents and products certified by multiple authoritative bodies, we support OEM/ODM customization. Standard models ship within 5-10 days, and our 35 global technical centers provide 7x24 multi-language service. As a reliable supplier, we provide customers with worry-free, end-to-end support.

Product Specifications

Product Applications

The 7.2kV Vacuum Interrupter for Contactors, with its advantages of arc-free switching, long lifespan, and maintenance-free operation, deeply covers multiple high-end medium-voltage control scenarios, including: mining and underground equipment, rail transit, oil and marine engineering, new energy and power compensation, and special industrial environments, providing core support for safe production in various industries.

Frequently Asked Questions

1. What customization options are available for the product?

We support multi-dimensional customization including current, operating frequency, and monitoring modules, and provide OEM/ODM services. We are compatible with various international standards and different brands of contactors, and we cooperate with customers throughout the entire process to implement customized solutions.

2. How do you ensure the quality stability of each product?

Core components are strictly selected and inspected, and refined quality control is implemented throughout the entire process. Each product undergoes 12 comprehensive inspections and comes with a traceability label, ensuring traceable and controllable quality, demonstrating our responsibility as a high-quality supplier.

3. What does the warranty policy and after-sales service include?

We provide a 10-year limited warranty, with vacuum decay ≤20% within the warranty period; our global technical center provides 7×24 hour response, and we leverage our China production base and global service network to quickly address customer needs.

4. What are the key points to note regarding product transportation and installation?

We use moisture-proof and shock-proof packaging to prevent transportation damage; we provide professional installation guidance, and recommend performance verification after installation to ensure proper operation and maximize the product's core advantages.