DESCRIPTIONMain technical parameter
|
Model NO.
|
VACF12-12D/T630-20
|
|
Certification
|
CE, ISO9001
|
|
Rated Current
|
630A
|
|
Rated Thermal Stability Current
|
20(4s)kA
|
|
Rated Dynamic Stability Current
|
50kA
|
|
Rated Cable Charged Current
|
10A
|
|
Power Voltage of Motor Operation
|
AC/DC 220V
|
|
Trademark
|
VACEM
|
|
Origin
|
Wenzhou, China
|
1.General description
VACF12-12D/T630-20kA
type indoor AC M.V. load switch is a MV. switch equipment with rated voltage of
12kV, rated frequency tri-phase 50Hz, for the closing and opening load current,
loop current, air containing transformers and cable charging current, short
circuit current of the closing. Equipped with earthing switch, load switch can
withstand short-circuit current.
2.Main technical parameter
|
Item
|
Unit
|
VACF12-12D/T630-20
|
|
Rated voltage
|
kV
|
12
|
|
Rated frequency
|
Hz
|
50
|
|
Rated current
|
A
|
630
|
|
1 min power frequency withstand voltage
|
kV
|
Phase to phase,to earth 42; isolating fracture 48
|
|
Lightning impulse withstand voltage
|
kV
|
Phase to phase,to earth 75; isolating fracture 85
|
|
Rated thermal stability current
|
kA
|
20(4s)
|
|
Rated dynamic stability current
|
kA
|
50
|
|
Rated making current(peak)
|
kA
|
50
|
|
Max. breaking current
|
kA
|
1.8
|
|
Breaking no-load transformer capacity
|
kVA
|
1250
|
|
Rated cable charged current
|
A
|
10
|
|
Breaking time of rated power load current
|
times
|
6000
|
|
Thermal stability current of earth switch
|
kA
|
20(2s)
|
|
Dynamic stability current of earth switch(peak)
|
kA
|
50
|
|
Power voltage of motor operation
|
V
|
AC/DC 220
|
3.Mechanical property
|
Item
|
Unit
|
Data
|
|
VACF12-12D/T630-20
|
|
Moving contact travel
|
mm
|
200(+8,-2)
|
|
Inter-phase center distance(before mechanism stored energy)
|
mm
|
210±1.5
|
|
Moving contact opening distance
|
mm
|
40±2
|
|
Opening clearance between auxiliary contact
|
mm
|
≥150
|
|
Tri-phase closing/opening asynchronous
|
ms
|
≤3
|
|
Just off speed
|
m/s
|
≥2.8
|
|
Just on speed
|
m/s
|
≥3.8
|
|
Distance between metal value to conduct tube
|
mm
|
≥125
|
|
Fracture distance of earth switch
|
mm
|
≥150
|
|
Main loop resistance
|
μΩ
|
≤120
|
|
Max operating torque
|
N.m
|
≤160
|
Note:1.Measure the distance between moving and fixed auxiliary contact, may measure the fixed arc contact after to conduct tube ejector nozzle end surface to add 24mm thickness.
2.While measuring main loop resistance of VFKRN12A-12D combination electrical appliance, fuse can be replaced by conduct rod whose resistance can be ignored.
4.Outline and installation dimensions
