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All new products

ZW7-40.5 High Voltage Outdoor Vacuum Circuit Breaker, 20kA/25kA/31.5kA, Custom Waterproof Design

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Product Description

ZW7-40.5
Number	Items	Unit	Data
01	Rated voltage	kV	40.5
02	Rated current	A	1250/1600/2000
03	Rated short circuit breaking current	kA	20/25/31.5
04	Rated peak withstand current	kA	50/63/80
05	Rated short-time withstand current	kA	20/25/31.5
06	Rated short circuit breaking current (maximum)	kA	50/63/80
07	Mechanical life	Times	10000
08	Rated Short-circuit Breaking Current Breaking Times	Times	12
09	Power frequency withstand voltage (1min)：Phase to phase/earth	kV	95/80
10	Lightning impulse withstand voltage (maximum)	kV	185
11	Rated operating sequence		OC-0.3s-CO-180S-CO
12	mechanism control voltage	V	DC110/120 AC110/220
13	contact opening distance	mm	22±2
14	Exceed range(the compress length of contact sping)	mm	4±1
15	Average break speed	m/s	1.5±0.2
16	Average closing speed	m/s	0.7±0.2
17	The jump time of contact close break	ms	≤2
18	phase-to-phase center distance	ms	≤2
19	Different period of three-phase break and close break	ms	≤2
20	Resistance of each phase main loop	μΩ	≤100
21	Opening time	ms	≤150
22	Closing time	ms	≤60
23	weight	kg	800
24	Rated Duration of Short-circuit	s	4

Shanghai Zikai Electric Co., Ltd. is a production and sales-oriented enterprise specializing in the manufacturing of power equipment. We integrate design, research and development, manufacturing, and technical services. Our main products include gas-insulated switchgear , ring main units , prefabricated substations , high-voltage switchgear, low-voltage switchgear, cable branch boxes, outdoor switching stations, primary and secondary fusion pole-mounted circuit breaker, and indoor and outdoor high-voltage vacuum circuit breakers. The products are widely used in various distribution networks, including industrial and mining sectors, transportation, petrochemical and metallurgical industries, residential communities, and ports. Over the years, our products have been sold worldwide, reaching markets in the Americas, Europe, Africa ,the Middle East, and Southeast Asia. We have garnered unanimous praise from clients across thousands of projects. We adhere to the service philosophy: "What our peers can do is a duty, what our peers cannot do is our service!" and provide comprehensive consulting services to our customers.

1.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. 2.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. 3.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. 4.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. 5.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. 6.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.