Combined Transformer (American box transformer)
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- Model NO.: American box change
- Phase: Customize
- Cooling Method: Customize
- Certification: CCC
- Frequency Characteristics: Power Frequency
- Specification: customize
- Application: Electronic
- Core: Customize
- Winding Type: Customize
- Usage: Power Transformer
- Shape of Core: Customize
- Origin: Wenzhou, China
Introduction of product
Combine transformer, commonly named as American box- type transformer, has outstanding features including reliable power supply, compact structure, fast and flexible installation, convenient operation, small size, ect. It can be widely used in industrial areas, residential communities, commercial centers, urban roads, high-rise buildings and other premises. The difference between this kind of product and European box-type transformer domestically manufactured is: American box-type transformer is designed with integration of transformer part, high-voltage lad switch, protective fuse and other devices, and placed in an oil tank for relatively comparably smaller size.
Features of product
Small size, compact structure, the size is only one-third of same capacity European box-type transformer. The product is fully enclosed and equipped with complete insulation structure without requiring insulation clearance to ensure personal safety.
It is suitable for both looped and terminal network and can be charged conveniently for an enhanced reliability of power supply. Outstanding Performer: low noise, low loss, low temperature rise, strong capability to withstand overload, short circuit and lighting.
The cable connector can be operated at load current of 200A and operated as load switch under emergency circum-stances. It also has features similar to isolating switch.
Adopt double fuse protection to reduce operating cost, and the plug fuse is fuse of double sensitivity (temperature and current).
Due to use of oil with high ignition point (R-Temp oil, the ignition point is up to 312C), it can be used in buildings and eliminate risk of fire.
Adopt Dyn11 connection and three-phases five-poles structure with advantages such as high quality of voltage, no displacement of neutral point, low noise and good lighting protection.
Main technical date
Item Technical parameters/unit
1. Rated voltage (Primary side) 6-10 KV
2. Rated voltage (Secondary side) 0.4 KV
3. Highest working voltage 12 KV
4. Rated frequency 50 HZ
5. Rated capacity 100-1250 KVA
6. 1-min power frequency withstand voltage 35 KV
7. Lightning impulse withstand voltage 95 KV
8. 2second short time withstand voltage 12 A
9. Interruption capacity of back up high voltage current limiting fuses 50 KVA
10. No-load tap charger (6~10)±2×2.5%
11. Ambient temperature -20~+40ºC
12. Allowable temperature rise 55 K
Wenzhou Kangda Complete Electric Equipment Co., Ltd.
Our Company has the business certification and the Production certifications which mainly manufacture Electrical Equipments, low/high switchgears Cabinets, Substations, Transformers and Oil Immersed Transformer. We have the approvals to uses different distribution brands in our product assemblies. We represent distribution brands such as: Schneider, Siemens, INVT, C-Lin, Yaskawa, CHNT, AIRTAC, and many more distribution brands. Also, Our company's' pricing are much more affordable and our service are excellent. We are a trusted company because we fully recognize the customers' demand and always put the customers' interest in our first place. Our company's devotion is to establish a long lasting relationship with each of our customers. We are fully committed to provide of our Excellencies and strive to expand our business.