A.采用真空灭弧,开断能力强,电寿命长,寿命10000次;
b.结构简单,免维护,不检修周期长;
c.绝绷性能好,抗污染秽能力强;
d.可配弹簧或电磁操作机构,性能可靠,频繁操作;无火灾和爆炸隐患;
e.内装电流互感器,讲师精度达0.2级,实现三相互动保护;
f.内附凝露控制器,保持断路在一定的温度,湿度下可靠运行.

ZW7-40.5主要技术参数：

序号 项目 单位 参数

1 额定电压 KV 40.5

2 额定绝缘水平 1min工频耐压 干式 95湿式(对地) 80雷电冲击耐压(峰值) 185

3 额定电流 A 1250,1600,2000

4 额定短路开断电流 KA 20,6,31.5

5 额定操作顺序   分-0.3s合 分-180s-合分

6 额定短路开断次数 次 12

7 额定短路关合电流(峰值) KA 50,63,80

8 额定峰值耐受电流

9 额定短时耐受电流 20,25,31.5

10 额定短断路持续电流 s 4

11 平均分闸速度 m/s 1.5±0.2

12 平均合闸速度 0.7±0.2

13 触头合闸弹跳时间 s ≤2

14 三相合(分)闸同期性时差 ≤2

15 合闸时间 ≤150

16 分闸时间 ≤60

17 机械寿命 次 10000

18 额定操作电压及辅助回路额定电压 V DC220、110、24

19 每相回路直流电阻(不含互感器)   DC220、110、24

20 动静触头允许磨损厚度 mm ≤100

21 重量 kg 800

Production cycle:

The type selecion, design, manufacture and installation and maintenance work of automatic equipment for the production of circuit breakers.

Breaker line according to the degree of automation, can be divided into the production line of automatic circuit breaker and lean production line; according to the type of circuit breaker, can be divided into micro / mini circuit breaker line leakage breaker MCCB production line, production line, production line circuit breaker; circuit breaker according to the classification process, and can be divided into packaging production line, riveting production line, production line instantaneous detection (AC / DC), full / half automatic delay detection production line, riveting production line, printing production line (multi-color), printing production line, assembly line; the general production cycle of 3-7 days.

Factory inspection:

The company's advanced production equipment and inspection equipment, strong technical force, independent development of new product technology capabilities and complete quality management system, can customize all kinds of special requirements, specifications of non-standard products. The products produced by our company are stable and reliable, with beautiful appearance, reasonable structure and long service life. They are widely used in electric power, railway, petrochemical industry, large and medium scale factories, engineering construction, power network transformation, petroleum, chemical industry, metallurgy, coal mining, construction, mining and other fields. The main products are power supply bureaus, power companies, power plants, power plants, mines, complete sets of companies and other large enterprises. They sell well all over the country and are used for large-scale wind power projects, and some of their products are exported to Korea, Russia, Southeast Asia and other countries and regions. The company spirit of "quality of survival, science and technology as the guide, to the credibility of development, to management efficiency" principle, continuous improvement, beyond the self, with their own advantages, to solid and reliable quality, competitive price, provide excellent products and perfect service for our customers. The company is committed to adhering to the "quality first, integrity management, service first" business purpose. We sincerely welcome customers from home and abroad to call, visit and negotiate business, and sincerely cooperate with each other to develop a better future.

上海祝捷电气科技有限公司是一家专业从事电力设备制造生产的企业。企业创办以来，以拼搏奋发的精神，积极引进人才和科技，致力于冲压件的设计与开发，并将电力设备质量列为企业生存和发展的**目标。经过多年专业生产的技术累积和沉淀，打造出了一支高素质的员工团队，凝聚了多位高级模具工程师，他们正用丰富的专业技术和对产品质量的高度负责精神，与强化对细节的完美追求融入到每一件产品和服务之中。几年来，不断提高电力设备生产工艺的科学性和精确性。从原材料采购到成品产出，每道工序的质量控制均严格执行ISO9001-2000体系，有力的促进了电力设备质量的稳定和可靠程序。

我们始终坚持：靠管理降成本，靠质量求市场，靠服务赢市场，靠信誉树形象的经营方针，成广大客户提供高品质的产品。