Products

       At first from material and material supplier after a rigorous selection process, we choice all right         components for each items, we have advanced workshop, quality control system, specially custom         design engineers. OEM/ODM is welcome and can be done in donghua.
LABN6-35 Type Current Transformer
Applications
LABN6-35 Type Current Transformer outdoor is suitable for power and voltage measurement and relay protection in power system with rated frequency 50Hz and rated voltage 35kV of neutral point earthing system effectively.
Applicable Standard:IEC60044-1 Current Transformer
Type Designation
Operation Conditions
Installation area:outdoor
Ambient temperature: Max. temperature 40;Min. temperature -25( -45);Daily average temperature can't exceed 30.
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)
LABN6-35
250
0.2S/10P15/10P15
0.2/10P15/10P15
0.5/10P15/10P15
0.2S/10P20/10P20
0.2/10P20/10P20
0.5/10P20/10P20
30/30/30
30/30/30
30/30/30
30/30/30
30/30/30
30/30/30
5-10.6
13-26
275
7.9-15.8
20-40
2100
10.6-21.2
27-54
2150
15.8-31.6
40-80
2200
21-42
54-108
2300
31.5-45
80-115
2400
31.5-45
80-115
Rated secondary current: 5A or 1A.
Rated insulation level40.5/95/185kV

Structure and Feature
The products is oil tank type structure. After vacuum dried, the core and winding assembly is put into the oil tank full of transformer oil. The higher part of core and winding assembly is primary winding and the lower part is secondary winding with catenuliform which is fixed on the down sail of oil tank. In the upper oil of tank, there is a porcelain housing and oil conservator. Four terminals of primary winding (P1, P2, P3, P4) and a terminal (CO) used in series and parallel connection is in the oil conservator. P2 terminal is connected with electric directly. So,when P1 connected with C1, P2 with C2(at that time, CO connected with P2 by isopotential), two winding of primary winding is in parallel connection. We can say at that time the product is in the instance of high rated curent ratio; When C1, C2 connected with CO, two windings of primary winding is in series connection. We can say all that time the products is in the instance of low rated current ratio.
Outline and Mounting Dimensions

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