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LZZB7-35 Type Current Transformer
Applications
LZZB7-35 Current transformer is suitable for power measurement, current monitoring and relay protection in power system with rater frequency 50Hz or 60Hz and rater voltage 35kV.
Applicable Standard: IEC60044-1, GB 1208 ¡¶Current transformer¡·.
Type Designation
Operation Conditions
Installation area: Indoor.
Ambient temperature: Max. temperature 40¡æ;Min. temperature -5¡æ;Daily average temperature can't exceed 30¡æ.
Air conditions: No heavy pollution in air.
Technical Parameter
Model
Rated primary current
(A)
Combined accuracy classes
Rated output
(VA)
Rated short-time thermo current
(kA/s)
Rated dynamic stability current
(kA/s)
LZZB7-35
15
0.2/0.5
0.2/10P10
0.5/10P15
0.2/10P10
0.5/10P10
10P10/10P10
15/30
15/30
30/30
15/30
30/30
30/30
2.4
6
20
3.2
8
30
4.8
12
40
6.4
16
50
8
20
75
12
30
100
16
40
150
24
60
200
31.5/1
80
300
400
500
31.5/2
80
600
800
1000
40/3
100
1200
1500
2000
Rated secondary current: 5A or 1A.
Rated insulation level£º40.5/95/185kV¡£
Structure and Feature
The Type Voltage Transformer is of epoxy resin, hermetically sealed structure with excellent insulative performance and anti-damp capacity. It has outling and easily-cleaned surface. Four holes at the bottom of the PT are suitable for mounting.
Outline and Mounting Dimensions
Information Required for Order Placing
Model.
Rated current ratio A.
Combined accuracy classes and Rated output VA.
Altitude m.