The de-energized three-phase linear series-parallel connection,star-delta exchange, with voltage-regulation combined tap-changers can meet the switching requirements of different voltages in the power and transmission.
F series On-load tap-changer(Corner joint)
- Used in mineral oil or silicon oil
- Rated voltage 10KV-35KV
- Rated current from 63A-250A
- Tapping position:3-5
- Regulation 2.5% per position
Model Explanation
□ □ □/□-xx xx x □
□: Non stand for without transmit selector J stand for with bulky selector
C stand for with bulky selector
□: Number of middle positions
□: Number of the Max Operation position
□: Number of distributed selectors
xx: Highest voltage for equipment kV
Xx:Rated throughout current A
x:Design series
□:F-stand for complex type
D- stand for regulating in Line terminal
The central part across the connect type adjusts to press
Ⅲ- three-phases
I-single-phase
Voltage Regulation Model
I : terminal point
II : central point
III : neutral point
IV : Y-△ conversion
V : series-parallel connection
Our Advantage
* High pressure capability
* Strong anti-aging ability
* Strong anti-lightning impact
* Strong protection
* Use smoothly
* Stable use
Type of tap-changer | Rated current(A) |
Highest voltage for equipment(kV) |
H1 | H2 | H3 | H4 | Md | φD | Holes on tank cover(mm) |
FⅢ1-125/12-05050 | 125 | 12 | 120 | 66 | 336 | 682 | M8 | φ294 | φ310 |
FⅢ1-125/12-07070 | 125 | 12 | 120 | 66 | 336 | 682 | M8 | φ294 | φ310 |
FⅢ1-125/12-09090 | 125 | 12 | 120 | 66 | 336 | 682 | M8 | φ294 | φ310 |
FⅢI1-200/12-05050 | 200 | 12 | 120 | 66 | 336 | 682 | M10 | φ300 | φ310 |
FⅢ1-200/12-07070 | 200 | 12 | 120 | 66 | 336 | 682 | M10 | φ300 | φ310 |
FⅢ1-200/12-09090 | 200 | 12 | 120 | 66 | 336 | 682 | M10 | φ300 | φ310 |
FJIⅢI4-125/12-06050 | 125 | 12 | 120 | 100 | 408 | 758 | M8 | φ294 | φ310 |
FJIⅢI4-200/12-06050 | 200 | 12 | 120 | 100 | 408 | 758 | M10 | φ300 | φ310 |
FJII4-125/12-08070 | 125 | 12 | 120 | 100 | 408 | 758 | M8 | φ294 | φ310 |
FJⅢ4-200/12-08070 | 200 | 12 | 120 | 100 | 408 | 758 | M10 | φ300 | φ310 |