DAHU electrical specializes in the production of 0.5-40.5kv transformers. It has cooperated with many national power bureaus for 10 years and exported to foreign markets. If there is any quality problem within the warranty period, it can be replaced free of charge.

The new red LZJC-10Q 10kV voltage epoxy resin cast insulation low-voltage single-phase current transformer is a kind of epoxy resin casting fully enclosed pillar-type structure of the current transformer, with a small volume, light weight, suitable for installation in any position and direction. The following are the main features and parameters of this product:
Overview:
LZJC-10Q current transformer is suitable for rated frequency 50Hz or 60Hz, rated voltage 10kV and below in the power system, used for electric energy measurement, current measurement and relay protection
It is used for power metering, current measurement and relay protection.
The product complies with IEC60044-1 and GB1208 "Current Transformer" standard.
The product complies with IEC60044-1 and GB1208 "Current Transformer" standard.
Structure Introduction:
The transformer is a pillar-type, fully enclosed structure, the core is made of high-quality cold-rolled silicon steel sheet coiled into a ring, the secondary coils are wound on the circumference, together with the primary are cast in epoxy resin casting body, with excellent insulation properties and moisture resistance, suitable for use in dirty, condensation and dew environment.
It is suitable for use in dirty and condensation environment.
Use environment:
Altitude of 3000 meters or less;
Surrounding medium temperature -5ºC~+40ºC;
The relative humidity of the air does not exceed 90% (when the temperature is 25ºC);
No gas, vapor, dust and other explosive or corrosive media that seriously affect the insulation of the transformer;
No violent vibration and bumps in the installation place
The installation place is free from violent vibration and bumps.
Technical parameters:
Rated voltage: 10kV;
Rated frequency: 50Hz;
Rated primary current: 5, 10, 15, 20, 30, 40, 50, 75, 100, 150, 200, 300, 400, 500, 600, 800, 1000A;
Rated secondary current: 5A;
Rated secondary combination: 0.5/10P10 or 0.5/10P15, 0.2/10P10, 0.2S/0.2, 0.5/0.5;
Rated load (COSf=0.8 lagging): 10VA for metering (1S) 0.2S, 0.2, 0.5 class; 15VA for relaying (2S) 10P class;
Relay (2S) rated accuracy limit factor (10% multiplier): ≥10
.
Insulation level:
Industrial frequency test voltage: primary to secondary and to ground 42kV/1min;
Under 8.3kV test voltage, partial discharge ≤20pC;
Along the surface of the confluence than the distance ≥ 20mm/kV
The
Fouling level:
Fouling level: Grade II
Rated dynamic and thermal stabilizing current
Rated dynamic and thermal stabilizing current:
The specific values are shown in the technical parameter table, for example, for the rated primary current of 5-400A, the rated dynamic stabilizing current is 90/160kA
.