3.6، 7.2، 12 كيلوولت – ترانسفورماتور جريان 12 كيلوولت

Instrument current
Transformers, indoor,
Cast-Resin Insulated
On Request:
Constructions with capacitive layer
Ribs on the top for increasing creepage distance
* Change over: with multi-purpose transformers it is possible to work with several primary currents. In principle, the change over can be made from the primary as well as from the secondary side.
(Secondary tapping; for instance 800-1000/5A)
Type
 
AM12
AMN12
AMB12
AMG12
Highest voltage for equipment
kV
12
12
12
12
Power frequency withstand test voltage, 1 minute
kV
28
28
28
28
Lightning impulse test voltage (1.2/50 m s full wave)
kV
75
75
75
75
Rated frequency
Hz
50/60
50/60
50/60
50/60
Rated primary current
A
5-2000
5-3000
5-2000
5-3000
Primary reconnection* 1:2
A
——-
2 x 600
——
2 x 600
Secondary current
A
5 or 1
5 or 1
5 or 1
5 or 1
Max. rated continuous thermal current x In
A
1.2
1.2
1.2
1.2
Rated short time thermal current Ith in1 sec.(100-1000) x In
Max.kA
60
60
60
60
Rated dynamic current Idyn = 2.5 x Ith
Max.kA
120
120
120
120
Max. number of cores
3
3
3
3
Accuracy class measuring / protection
0.2-0.5-1/5P -10P
Rated output (measuring / protection)
5-60VA/1-30 VA
Instrument security factor (measuring; FS5,FS10)/ Accuracy limit factor (protection; P5-P30)
دسته:

توضیحات

Type
AM12
AMN12
AMB12
AMG12
e1
270
280
370
380
e2
120
120
120
120
e3
32
32
32
32
e4
75
80
125
130
L
342
362
442
462
b1
125
148
125
148
b2
148
178
148
178
h
225
285
225
285
d
11
14
14
14
Primary ≥ 1500 A

Dimensions in mm

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