YUEQING YOMIN ELECTRIC CO., LTD
YUEQING YOMIN ELECTRIC CO., LTD Professional energy meter and current transformer manufacturer
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Red Color Cast Resin Low Voltage Current Transformer Plate Fixed Installation
Cast Resin Current Transformer low voltage current transformer , LMZ1-0.5
1. Introduction
The indoor current transformer with rated frequency 50Hz, is suitable for measuring current and electrical energy; protective relaying under voltage 0.66kV.
2.Standard2.Type description
•IEC60044-1
3. Main characteristic
4. Technical parameter
Picture:
LMZ1-0.5 type current transformer is mainly used for indoor, for the rated voltage of 0.5kV and below, rated frequency 50Hz AC circuit as the current energy measurement or relay protection, current transformer casting products for which installation methods plate fixed installation method.
Drawing and Size:
| Rated primary current ( A ) | Np | Rated Secondary Burden ( VA ) | ||
| 02 | 0.5 | 0.2S | ||
| 30, 50, 75, 100, 150 | 5, 3, 2, 2, 1 | 5 | 5 | 5 |
| 200, 300, 400 | 1 | 5 | 5 | 5 |
| 500, 600. 750, 800 | 1 | 10 | 10 | 10 |
| 1000. 1200. 1500 | 1 | 10 | 10 | 10 |
| 2000, 2500, 3000 | 1 | 20 | 2 | 20 |
1, altitude is not more than 1000 meters
2, the ambient temperature is not higher than +40 perturbation, not less than -5
3, the relative humidity of the surrounding air is not greater than 85% (20 degrees)
4, no serious impact on the installation of transformer insulation insulation, steam, chemical deposition, pollution and other explosive and corrosive media
Note: 1, lmk-0.66 current transformer primary hole for the three row structure
2, small capacity corresponds to small current ratio, large capacity corresponds to high current ratio; such as 5-10 corresponding to 10VA corresponding to 100-600/5600/5, 100/5 corresponds to 10VA
Transformer accuracy level: 0.5
Rated voltage: 0.66KV
Rated primary current: 5-3000A
Rated two current: 5A
Rated load: (see Table 1)
Allowed to operate under 110% rated current for a long time
Two winding to ground processing frequency voltage 3KV duration 1min no breakdown flashover phenomenon