Hotsale Factory Wholesale Vcb with Maintenance Free Operation Industrial Vacuum Circuit Breaker

• Customization: Available
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Model NO.: ZW32-12
• Installation: Fixed
• Type: Circuit Breaker
• Certification: CE
• Rated Current: 630A/1250A
• Model Number: Zw32-40.5
• Rated Voltage: 35kv
• Operation Sequence: Oc-0.1s-Co-3s-Co-6s-Co-60s Restore
• Brand Name: Zikai
• Technology: Vacuum-Interruption
• Origin: Zhejiang, China

Product Description

Product Description

Vacuum circuit breaker

Project		Unit	Parameter
Rated voltage		kV	15
Rated frequency		Hz	50
Rated current		A	630	1250
Rated short-circuit breaking current		kA	20	25
Rated peak withstand current(peak)		kA	50	63
Rated short-circuit closing current(peak)		kA	50	63
Rated short-time withstand currrent/duration		kA/S	20/4	25/4
Rated operating sequence			0-0.3s-CO-180s-CO
Mechanical lifespan		order	10000
Rated short-circuit breaking current breaking times		order	20
1-minute power frequency withstand voltage	(Wet test)Phase to phase,ground/fracture surface	kV	50/65
	(Dry test)Phase to phase,ground/fracture surface		65/79
	Secondary circuit		2
Lightning impulse withstand voltage(peak) phase to phase,ground/fracture		kA	125/145
weight		kg	115

Main Products

Company Profile

Shanghai Zikai Electric Co., Ltd. is a professional manufacturer specializing in high-voltage electrical equipment. We provide integrated solutions across design, R&D, manufacturing, and technical support. Our product portfolio includes vacuum circuit breakers, high and low-voltage switchgear, gas-insulated switchgear, ring main units, prefabricated substations, transformers, and related electrical devices—all engineered to meet diverse demands of modern power systems.

With years of expertise in production management and a deep understanding of international and regional compliance standards, our equipment has delivered reliable performance in thousands of projects across the globe. We offer tailored electrical solutions to ensure stable operation even under extreme conditions, providing confidence and security for your projects.

Our advantages:

1.Over 15 years of production experience

2.Professional engineers provide one-on-one support

3.Strict quality control throughout the process

4.highly competitive pricing

5.Efficient After-sales Support

Certificates & Exhibitions

Our Customers & Customer Reviews

Cooperation Cases

Packaging & Shipping

FAQ

Q1:Are you a trade company or a manufacturer?

Shanghai Zikai Electric Co., Ltd. is a production and sales-oriented enterprise focusing on the production of power equipment, integrating design, research and development, manufacturing and technical services.

 

Q2:What are the main products of your company?

Our company specializes in producing and selling high-quality electrical equipment, including vacuum circuit breakers, isolating switches, grounding switches, and various power accessories. Our flagship product is the ZW32-12 outdoor high-voltage vacuum circuit breaker, widely used for protection and control in power distribution systems.

 

Q3:How can I purchase your products?

You can place an order online through our website or contact our sales team for more product information and quotations. We support multiple payment methods and provide worldwide shipping services.

 

Q4:How do you ensure the quality of your products?

We strictly adhere to international standards and quality management systems. All products undergo rigorous testing and inspection before leaving the factory. We also offer a product quality guarantee period to ensure that the products you purchase meet your expected performance.

 

Q5:Do you offer customization services?

Yes, we can provide customized services according to the specific needs of our customers. Whether it's product specifications, design, or functionality, our technical team can work with you to develop solutions that meet your requirements.

 

Q6:Can we visit your factory?

Absolutely! We welcome customers to visit our production facilities and learn about our manufacturing processes and quality control measures. Please schedule an appointment in advance, and we will arrange for a professional team to host and accompany you during the visit.

 

If you have any other questions or need further information, please feel free to contact us. We are dedicated to providing you with the best service.