Quick Details
Description
SIWOB series MCB
Scope of application
They are applicable to the circuit with rated voltage of up to 400V and rated current of up to 125A to provide overcurrent protection for line facilities and electrical equipment in the buildings and similar places or for infrequent make-break operation
Work environment in use and installation conditions
Work environment in use and installation conditions
The altitude of installation site shouId not be more than 2,000m;
The ambient air temperature is -5℃ - +40℃, and the average temperature within 24h shouId be not higher than +35℃,
When the maximum temperature is +40℃, the air relative humidity is not higher than 50%, and a higher relative humidity can be tolerable at relatively low temperature,for example,the relative humidity is 90% at +20℃;
Pollution degree 2 (i.e.,”There is non-conductive pollution under normal circumstances , but transient conductivity is taken into consideration due to accidental condensation”),
Vertical installation, error is ±5°
Terminal electrical equipment is installed on TH35-7 mounting rails
SIWOB1 miniature circuit-breakers
Model description

Technical index

SIWOB2 miniature circuit-breakers
Model description

Technical index

SIWOB3 miniature circuit-breakers (phase line+ neutral line)
Model description
Technical index

Shenyang SIWO Electric Equipment Company was established in 1999. SIWO is a poineer of Chinese low-voltage industry, occupy higher share in Chinese market.The company specialized in electric power distribution, control appliances, terminal appliances, power electronic devices ,and other series. Above products are all independent design, develop, product and sale.
The company was located in China,Liaoning province, Shenyang Dadong area, Puyu road No.22. Its total area of 80000 square meters, registered capital of 30 million yuan, existed staff about 500 people, and had 2 subsidiaries ——SIWO electronic and SIWO mould.
The company's main products including low voltage isolating switch, isolating switch fuse , automatic transfer switch , universal type circuit breaker, moulded case circuit breaker, mini circuit breaker, intelligent electric instrument, motor protector, contactor, thermal relay, etc.
Products and services had been involved in the National Olympic Games Arena, Asian Games Arena, Shanghai World’s Expo Arena and other public projects.It can provide whole solutions and electric products for rail transportation, airport, hospital, highway, finance, petrochemical, electric power network, communication, energy, real estate and other fields.
The company’s produces were strict implemented IEC,CE, CB, national standards, through CCC comprehensive certification , has 43 patents, and won the Well-Known Trademark in China, brand-name products in Liaoning province and so on, the technical performance reach the advanced level.
The company has excellent technology team, professional laboratories, automated production lines, high-tech testing equipments, modern warehousing management , efficient service systems, the products be strictly managed from the processes of purchase, product, test and sale, ensuring the excellent quality and reliable performance.
Company has 24 offices in China, its marketing networks across the country, obtained affirmations of over 2000 designing institutes.Parts of products have exported to international markets.