The LZZB7-27.5 and LZZB7-35GYW1 current transformers are epoxy resin cast fully enclosed pillar structures. Suitable for indoor power systems with a rated voltage of 35KV and below, and a rated frequency of 50HZ or 60HZ, used for current and energy metering and relay protection. The characteristics of this product include high dynamic and thermal stability parameters, large secondary output capacity, stable insulation performance, strong resistance to pollution and moisture, etc. It can completely replace old similar products such as LCZ-35 and LZZ-35Q.



3.1 Installation site indoor
3.2 Environmental temperature -5 ℃~+40 ℃
3.3 Altitude not exceeding 3000 meters
3.4 Pollution level is Level II, with a climbing distance greater than 1000mm
When the relative humidity of the air does not exceed 90 and the temperature is 25 ℃
3.6 Gas, steam, dust, and other explosive or corrosive media that do not seriously affect the insulation of transformers
3.7 Installation site without severe vibration and turbulence

4.1 The product complies with the standards GB1208 and IEC185;
4.2 Rated insulation level 42/95/2000KV;
4.3 Rated secondary current 5A or 1A.

LZZB7-27.5, LZZB7-35GYW1 current transformers