25kV 630A Single Phase Flip Type Transformer Loadbreak
The 24kV 630A Oil Immersed Loadbreak Switch is a critical switching device used in medium-voltage distribution transformer systems. It is designed to safely make and break load current under oil-immersed conditions, ensuring high operational reliability, arc extinction performance, and system protection.
Key Features
Wenzhou Best's contact system of the switch adopts a double-bridge floating contacts type. The moving and static contacts have excellent contact performance, with low resistance and strong current-carrying capacity. All these contact are made of T2 copper equivalent to C1100 copper.
Housing are made of Germany BASF PBT.
Technical Parameters
|
Item |
Value |
|
Rated voltage |
25kV |
|
Rated current |
630A |
|
Power Frequency |
60Hz |
|
Rated thermostable current |
25kA / 4 seconds |
|
Rated dynamic current |
63kA |
|
Impulse withstand voltage |
|
|
Ground between phase across open contacts |
125kV 145kV |
|
Power frequency withstand (1 min) |
|
|
Ground between phase across open contacts |
55kV 60kV |
|
Contact mechanical life |
≥2000 times |
Application
- Pad-mounted distribution transformers
- Underground distribution networks
- Industrial power distribution systems
Engineering Advantages
The center shaft and housing are compression-molded using raw materials from BASF Germany; This high-performance center shaft and housing assembly effectively prevents the electric arcs generated during contact from breaking down the housing. Improved arc interruption stability.
Other brand product, footage of the hosing punctured by electric arc.
Why Choose Our Oil Immersed Loadbreak Switch?
Third party type test report according to IEEE std. 18 years of experience on producing loadbreak switch.
Installation & Maintenance
- Easy installation inside transformer tank
- Compatible with standard transformer accessories
- Minimal maintenance due to sealed oil design
- Periodic inspection recommended for mechanical linkage
- Operation Type: Hook stick / Rotary mechanism (optional design dependent)
FAQ
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