LMZK3 split core (easy
to open-close type) Instrument Transformer is convenient for installation (no need to
reconstruct the substation power cable networks).
P1, P2 are primary polarity terminals. S1, S2 are secondary polarity terminals.
P2, S2 are homonymous (minus polarity).
TECHNICAL PARAMETERS of Split Core Instrument Transformer LMZK3
|
Model
|
LMZK3-10
|
|
Voltage level
|
10kV
|
|
Rated primary current
|
50-600A
|
|
Rated burden
|
≤5VA
|
|
Rated frequency
|
50Hz or 60Hz
|
|
Rated secondary current
|
5A or 1A
|
|
Rated continuous
over-current
|
120%I1
|
|
Insulation strength
|
AC 3kV, 1min
|
|
Applicable primary cable
diameter
|
Φ20mm to φ40mm
|
|
Dimensions (d×D×H) (mm)
|
φ50xφ110x110
|
|
Operating temperature
|
-25°C to +40°C
|
TECHNICAL DATA of Split
Core Instrument Transformer LMZK3
|
Model
|
LMZK3-10
|
|
|
Voltage level
|
10kV
|
|
|
Type
|
Current transformer for measurement
|
Current transformer for protection
|
Current transformer for measurement & protection
|
|
|
Accuracy class
|
0.5
|
1
|
10P10
|
10P5
|
0.5
|
1
|
10P10
|
10P5
|
|
|
Current rating
PRI:SEC
Amperes
|
Rated burden (VA)
|
Rated burden (VA)
|
Rated burden (VA)
|
|
|
|
|
|
|
100:1
|
2.5
|
3.75
|
2.5
|
5
|
1.5
|
2.5
|
1.5
|
2.5
|
|
|
150:1
|
2.5
|
3.75
|
2.5
|
5
|
1.5
|
2.5
|
1.5
|
2.5
|
|
|
200:1
|
2.5
|
5
|
3.75
|
5
|
2.5
|
3.75
|
1.5
|
3.75
|
|
|
300:1
|
3.75
|
5
|
5
|
|
3.75
|
|
2.5
|
5
|
|
|
400:1
|
5
|
|
5
|
|
5
|
|
3.75
|
5
|
|
|
500:1
|
5
|
|
5
|
|
5
|
|
5
|
|
|
|
600:1
|
5
|
|
5
|
|
5
|
|
5
|
|
|
|
100:5
|
2.5
|
3.75
|
2.5
|
3.75
|
1.5
|
2.5
|
|
2.5
|
|
|
150:5
|
2.5
|
3.75
|
2.5
|
3.75
|
1.5
|
2.5
|
|
2.5
|
|
|
200:5
|
2.5
|
5
|
2.5
|
3.75
|
2.5
|
3.75
|
2.5
|
3.75
|
|
|
300:5
|
3.75
|
5
|
3.75
|
5
|
3.75
|
5
|
2.5
|
5
|
|
|
400:5
|
5
|
|
5
|
|
5
|
|
3.75
|
5
|
|
|
500:5
|
5
|
|
5
|
|
5
|
|
5
|
|
|
|
600:5
|
5
|
|
5
|
|
5
|
|
5
|
|
|
