Shanghai Wen LEADER Electric Co., Ltd. was established in 1995, is the regulator, a professional manufacturer of transformer, active, passive filter cabinets, electric chopper, Saver, power inverter, production and development of one; the Ministry of Information Industry industry designated as YD / T 1270-2003 "non-contact compensated exchange regulator" industry standard drafting unit. Existing eight offices: Beijing, Guangzhou, Changchun, Xi'an, Chengdu, Qingdao, Hohhot, Shenyang. The company has become: the Oriental Pearl Tower, with Fangji Zhao, Hangzhou Public pass, Huawei, ZTE, China Mobile, China Petroleum, Haier, Hisense, Shenyang Blower, CSR, Tang passenger, Heidelberg, Mitsubishi, North people, Han, Wahaha, BYD and other designated suppliers. The main qualifications: State Administration of Radio, Film and network that certificate, ISO9001, Gentile, CE, three C, ISO14000, SGS, CQC certification. Transformers: Product Name: Three-phase and single-phase low voltage dry-type transformers Advantages: Suitable for input, output voltage not exceeding 1000V supply various occasions. Production capacity Product Overview: My company has been using high-quality materials and advanced technology specializing in the production 1KVA - between 300KVA, SG series single-phase, three-phase transformer, product reference Siemens latest research and development of similar products imported equipment, transformers, product meets VDE0550, IEC439, JB5555, GB5226 international and national standards. SG series three-phase transformers are widely used in AC 50,60HZ, input, output voltage not exceeding 500V supply various occasions. A variety of input products, output, voltage level, join groups, regulating tap position, winding capacity allocation, with a secondary winding, if required with a shell, etc., are carried out carefully designed and manufactured according to user requirements. Single-phase three-phase system voltage 36V-1000V 36V-1000V-capacity 0.5- 100KVA 1-800KVA temperature greater than 60 degrees less than or equal to 200V voltage insulation resistance is less than or equal to 2 megohms 1. The altitude does not exceed 1000m; 2. the maximum temperature -5 ℃ (suitable for indoor type transformer); 3. The lowest temperature of -30 ℃ (for outdoor type transformers); 4. The maximum daily average temperature of + 35 ℃; 5. The highest annual average temperature of + 25 ℃; 6. Ambient temperature: -15 ℃ -45 ℃; 7. relative humidity: ≤90%; 8. power supply voltage waveform similar to sine wave; 9. multiphase power supply voltage should be approximately symmetrical. Reference Dimensions table