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.
LZCK-120 type outdoor open-close current transformer:
Suitable for current measurement of 35kV AC power system and power supply equipment below 10kV, also can be used for microcomputer protection.
Compatible with distribution transformer monitor to provide power parameter quality signals to control, measure and monitor the energy quality of the grid system, etc.
The protection level is IP67. It adopts imported silicon steel with high permeability as magnetic material, featuring small magnetic circuit loss and separable core.
Semi-circular iron core and secondary winding are vacuum casted with high quality epoxy resin in plastic shell (ABS or PC), which has the advantages of high precision, fireproof, UV protection, explosion-proof, maintenance-free, stable and reliable performance, easy installation and long service life.
The
Enclosed toroidal current transformer type A with an internal diameter of 120 mm.
Used for equipment monitoring and control, rated operating current of 250A, current transformer type A closed loop.
Network type AC/DC, network frequency 45 . .440 Hz, rated insulation voltage is 1000V, ratio 1/1000.
The rated short-time withstand current is 100 kA / 0.5 s and the short-circuit withstand residual current is 85 kA / 0.5 s according to IEC 60947-2.
Overvoltage category IV, rated impulse withstand voltage 12 kV, heat generation 3.89 MJ.
The diameter is 120 mm (internal), the cable OD is 60 mm and the maximum cross-sectional area is 240 mm².
The maximum cross-sectional area is 240 mm².
LXK-φ120 series zero sequence current transformer:
Applicable to the rated frequency of 50Hz or 60Hz power system for zero sequence relay protection.
The primary cable through the center of the structure, the secondary coil to the ground frequency withstand voltage 3kV.
Product implementation standard GB 1208 "current transformer".
Nominal bore diameter of 120 ± 0.5 mm, weight 5 kg.
The weight is 5kg.
These products comply with relevant national and international standards and are suitable for different power systems and protection needs.