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LZZBW-35B1(B2) Type Current Transformer
Applications
LZZBW-35B1(B2) Type Voltage Transformer (PT for short hereinafter) is suit able for power metering,voltage monitoring and relay protection in power system with rated frequency 50Hz or 60Hz and rated voltage 35kV. Applicable Standard:IEC60044-2 Voltage Transformer.
Type Designation
Operation Conditions
Installation area:outdoor
Ambient temperature: Max. temperature 40íŠ;Min. temperature -25íŠ;Daily average temperature can't exceed 30íŠ.
Air conditions: No heavy pollution in air.
Technical Parameter

Technical parameters of LZZBW-35B1 current transformer
Model
Rated primary current
(A)
Combined accuracy classes
Rated output
(VA)
Rated short-time thermo current
(kA/s)
Rated dynamic stability current
(kA/s)
LZZBW-35B1
20
0.2/10P10
0.5/10P10
0.2/10P15
0.5/10P15
15/40
20/40
15/30
20/30
3/1
7.5
30
4.5/1
11.25
40
6/1
15
50
7.5/1
18.75
75
11.25/1
28
100
15/1
37.5
150
22.5/1
57
200
31.5/1
80
300
31.5/4
400
0.2/10P10
0.5/10P10
0.2/10P15
0.5/10P15
15/40
20/40
15/30
20/30
31.5/4
80
500
600
750
800
0.2/10P10
0.2/10P15
0.5/10P10
0.5/10P15
30/50
20/40
50/50
50/40
1000
1200
1250
1500
0.2/10P10
0.2/10P15
0.5/10P10
0.5/10P15
50/50
40/4
100
2000
2500

Technical parameters of LZZBW-35B2 current transformer
Model
Rated primary current
(A)
Combined accuracy classes
Rated output
(VA)
Rated short-time thermo current
(kA/s)
Rated dynamic stability current
(kA/s)
LZZBW-35B2
20
0.2/0.5/10P10/10P10
0.2/0.5/10P15/10P15
15/20/40/10
15/20/30/30
3/1
7.5
30
4.5/1
11.25
40
6/1
15
50
7.5/1
18.75
75
11.25/1
28
100
15/1
37.5
150
22.5/1
57
200
31.5/2
80
300
31.5/4
400
500
600
750
800
1000
0.2/0.5/10P
10/10P10
0.2/0.5/10P
15/10P15
30/50/50/50
30/50/40/40
31.5/4
80
1200
1250
1500
0.2/0.5/10P
10/10P10
0.2/0.5/10P
15/10P15
50/50/50/50
40/4
100
2000
2500
Rated secondary current: 5A or 1A.
Rated insulation levelú║40.5/95/185kVíú
Structure and Feature
The Series CT is outdoor type. Its hermetically sealed design of epoxy resin with excellent ability of insulation and anti-damp. Except compact structure, it has good performance and high parameters. Primary terminal P1 and P2 are led out from the top of the product. Secondary outlet terminal is out from wiring terminal box underside of the CT
Outline and Mounting Dimensions

Information Required for Order Placing
Model.
Rated current ratio A.
Combined accuracy classes and Rated output VA.
Altitude m.