Basic Info.
Model NO.
LMZK
Insulating Medium
Epoxy Resin
Installation
Extension Type
Magnetic Circuit Structure
Single Stage Type
Voltage Transformation Principle
Electromagnetic Type
Transport Package
Export Box
Trademark
DGG
Origin
China
HS Code
8504311000
Production Capacity
100000PCS/Year
Product Description
General This type of transformer adopts an integral casting structure, is applicable for power systems of rated frequency 50Hz or 60Hz and rated voltage up to and including 0.66kV, used for current measurement, electric energy metering, relay protection, etc.
It complies with the standard Q/GDW1572-2014 Technical specification of a low-voltage current transformer for metering.
Use environment
- Altitude: should not exceed 1000m
- Ambient temperature:-5ºC~+40ºC
- Air relative humidity:≤85%
- Air relative site: indoor.
Technical parameter
- Rated secondary current: 5A or 1A
- Power factor: cosφ=0.8(lag)
- Rated frequency: 50Hz or 60Hz
- Rated primary current, rated output, and accurate level see table 1
- Insulating property: primary winding to secondary winding and ground, and secondary winding to the ground can bear the power frequency withstand voltage 3kV for 1min.
Technical ratio
| Type | Rated primary current(A) | Rated output VA(COS phi=0.8lag) | ||||
| 0.2S | 0.2 | 0.5S | 0.5 | 1 | ||
| LFZ1D-DGG1 | 10-60 | 5-2.5 | 5-2.5 | 5-2.5 | 5-2.5 | 5-2.5 |
| LMZ(1D,2D)-DGG1 | 75-500 | 5-2.5 | 5-2.5 | 5-2.5 | 5-2.5 | 5-2.5 |
| LMZ(3D,4D)-DGG1 | 600-1500 | 10-3.75 | 10-3.75 | 10-3.75 | 10-3.75 | 10-3.75 |
Eng. ADOFO MICHAEL ADJEI / BSc, MSc
Project Manager, Foreign Trade and Technology
Denggao Electric Co. Ltd
Head Office: No 208 Weiwu Lu, Economic Development Zone. Yueqing - China