Scope of application: 
 HH3 HH4 series the Hulled load switch (hereinafter referred to as the the Hulled switch), apply to the rated working voltage 380V, rated current up to 800A, frequency of 50Hz AC circuit can be used as a manual frequently connected to the breaking load circuit and circuit and short circuit protection role. 
 Structural features: 
 A. Iron hull design into the side of the rotary operation type switch in the structure is divided into four parts, the operating mechanism, fuse, steel, and contact system. 
 Two. Fast breaking devices, the Hulled switch is closed and breaking the speed and the operator hand movement speed switch operating mechanism, thus ensuring the safety of operating personnel and equipment. 
 3. Contact system with the interrupter contact system all packed in tin, completely closed to ensure the safety of personnel. 
 4. The hood cover is closed and the locking wedge can not be opened when the switch is in the closed position, cover the operating mechanism interlock cover. Addition, the cover can be locked. 
 Technical data: 
 A. Hulled load switch 105 to 110% of rated voltage fuses rated fuse short-circuit current should be consistent with the provisions of the following table. 
 Two. Hulled load switch fuse in the ambient air temperature of 20 ± 5 ° C within 1 hour pass to 1.75Ie fuse through to 1.3Ie within one hour does not fuse (Ie load switch rated current). 
 Our sales channels: 
 I plant mainly sold to the cities are: Shanghai, Zhejiang, Jiangsu, Anhui, Inner Mongolia, Xinjiang, Chongqing, Yunnan, Shaanxi, Hebei, Henan, Hubei, Hunan, Jiangxi, Sichuan, Guangdong, Guangxi, Hong Kong, Jilin, Heilongjiang, Liaoning, Ningxia, Gansu, Shaanxi, Shandong, Fujian, Hainan and other places. Over the years we have by virtue of good quality and reputation have been to hundreds of customers establish a long-term cooperation relationship. 
 Pre-sale services: 
 (1) to provide technical advice :0577 -27,885,868 in less than 10 hours, depending on your needs to provide you with any professional, technical and price aspects of the consultation, and mail samples and product information, or you have any issues of concern in a timely manner give quick replies and so on. 
 (2) examine the reception: We welcome you anytime to visit our company site visits, and provide you with any convenience. 
 Sale of services: 
 Whether you are foreign customers and domestic customers, whether you are our old customers to our new friends, regardless of your contract by the amount is large or small, we will be honest, fair, enthusiastic, and rigorously the same treat ; 
 We guarantee punctual, ensuring quality and quantity strictly enforce the terms of the contract and to provide customers with the value of the service. 
 After-sales service: 
 We have established a global service information processing systems 24 hours to keep track of customers. 
 (1) Since the date of purchase, to provide technical support. 
 Logistics: SF, Prestige express, daily express, and national public rail transport. Destination: the nation's major cities, or transit, the main port. 
 Shipping instructions: 
 Logistics: SFExpress the STO, Yuantong Express, Prestige, Express, Express daily, and the national public railway transport. Destination: the nation's major cities, or transit, major ports (Ningbo, Shanghai, Xiamen, Fuzhou, Guangzhou, etc.). Arrange transportation of freight, including freight delivery. 
 Contact Us: 
 Tel :0577-2788 2728 0577-80806666 0577-80809999 
 Phone: 13,388,587,757 15,888,434,243 
 Contact: Mr. Liu 
 QQ: 7,430,944 
 Address: Liu Yueqing City, Zhejiang Province, Liu Zhai Industrial Zone 
 Company Website: http://cnioint.cn.alibaba.com 

 The Hulled load switch Model: HH3, HH4, HH3Z, HH4Z, HH10, HH11, HH12, HHP1, HH1D, HP11 series and so on.