LMK3(BH)-0.66 current transformer,Accuracy: 0.2/0.2s/0.5/0.5s,Ratio 100/5-5000/5A
Model and its meaning

Normal working conditions and installation conditions
Installation Location: To ensure the normal operation and safety of the equipment, the installation location should be indoors.
Ambient temperature: The suitable ambient temperature range is -5℃ to +40℃, which means that the equipment can maintain good performance even in extremely cold or hot weather conditions.
Ambient humidity: The relative humidity should be controlled within a range not exceeding 80% to prevent equipment malfunction or damage due to moisture.
Altitude: The installation location should not exceed 1000 meters to avoid the impact of air pressure changes at high altitudes on the equipment.
Atmospheric conditions: A good atmospheric environment with no serious pollutants in the air should be ensured to maintain the long-term stable operation of the equipment.
Scope of application
The LMK3(BH)-0.66 current transformer is primarily used in indoor environments and is suitable for AC circuits with a rated voltage of 0.66kV or below and a rated frequency of 50Hz. It is mainly used for current and energy measurement and relay protection. This product features a molded housing design, providing excellent insulation and durability, and is widely used in the cabinets of various complete sets of equipment. Its installation is flexible and versatile, allowing for busbar fixing or base plate fixing, and is suitable for installation in any direction, facilitating user layout according to actual needs. Furthermore, the design of this current transformer considers safety and reliability, ensuring stable operation under various working conditions, providing an effective solution for power system monitoring and protection.
Order instructions
When ordering, the user should provide the following information:
Product Model and window width;
rated current ratio;
rated output and the corresponding accuracy level;For example: Order the LMK3 (BH)-0.66 type, with a window width of 80mm, a rated current ratio of 1500/5, and a rated output of 10VA.
Transformer with an accuracy class of 0.5.The order code is LMK3 (BH)-0.66, 80 1500/5 10VA 0.5.
If there are special requirements, can be customized with the manufacturer.

|
Picture |
Model |
Current |
Rated load |
Number of |
Outline overall |
|||
|
0.5 |
0.5S |
0.2 |
0.2S |
|||||
|
|
LMK3(BH)- |
200/5 |
2.5 |
2.5 |
2.5 |
2.5 |
1 |
|
|
250/5 |
2.5 |
2.5 |
2.5 |
2.5 |
1 |
|||
|
300/5 |
5 |
5 |
5 |
5 |
1 |
|||
|
400/5 |
5 |
5 |
5 |
5 |
1 |
|||
|
|
LMK3(BH)- |
400 |
5 |
5 |
5 |
5 |
1 |
|
|
500 |
5 |
5 |
5 |
5 |
1 |
|||
|
600 |
5 |
5 |
5 |
5 |
1 |
|||
|
700 |
10 |
10 |
10 |
10 |
1 |
|||
|
800 |
10 |
10 |
10 |
10 |
1 |
|||
|
1000 |
10 |
10 |
10 |
10 |
1 |
|||
|
|
LMK3(BH)- |
400/5 |
5 |
5 |
5 |
5 |
1 |
|
|
500/5 |
5 |
5 |
5 |
5 |
1 |
|||
|
600/5 |
5 |
5 |
5 |
5 |
1 |
|||
|
750/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
800/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
|
LMK3(BH)- |
500/5 |
5 |
5 |
5 |
5 |
1 |
|
|
600/5 |
5 |
5 |
5 |
5 |
1 |
|||
|
750/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
800/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1200/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1500/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
|
LMK3(BH)- |
500/5 |
5 |
5 |
5 |
5 |
1 |
|
|
600/5 |
5 |
5 |
5 |
5 |
1 |
|||
|
750/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
800/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1200/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1500/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2500/5 |
15 |
15 |
15 |
15 |
1 |
|||
|
3000/5 |
20 |
20 |
20 |
20 |
1 |
|||
|
|
LMK3(BH)- |
800/5 |
10 |
10 |
10 |
10 |
1 |
|
|
1000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1200/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1500/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2500/5 |
15 |
15 |
15 |
15 |
1 |
|||
|
3000/5 |
20 |
20 |
20 |
20 |
1 |
|||
|
|
LMK3(BH)- |
1000/5 |
5 |
5 |
5 |
5 |
1 |
|
|
1200/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1500/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2500/5 |
15 |
15 |
15 |
15 |
1 |
|||
|
3000/5 |
20 |
20 |
20 |
20 |
1 |
|||
|
4000/5 |
30 |
30 |
30 |
30 |
1 |
|||
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
|
LMK3(BH)- |
2000/5 |
10 |
10 |
10 |
10 |
1 |
|
|
2500/5 |
15 |
15 |
15 |
15 |
1 |
|||
|
3000/5 |
20 |
20 |
20 |
20 |
1 |
|||
|
4000/5 |
30 |
30 |
30 |
30 |
1 |
|||
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
7000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
8000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
|
LMK3(BH)- |
3000/5 |
20 |
20 |
20 |
20 |
1 |
|
|
4000/5 |
30 |
30 |
30 |
30 |
1 |
|||
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
7000/5 |
45 |
45 |
45 |
45 |
1 |
|||
|
8000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
|
LMK3(BH)- |
3000/5 |
20 |
20 |
20 |
20 |
1 |
|
|
4000/5 |
30 |
30 |
30 |
30 |
1 |
|||
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
7000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
8000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
|
LMK3(BH)- |
4000/5 |
30 |
30 |
30 |
30 |
1 |
|
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
7000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
8000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
|
LMK3(BH)- |
4000/5 |
30 |
30 |
30 |
30 |
1 |
|
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
7000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
8000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
|
LMK3(BH)- |
4000/5 |
30 |
30 |
30 |
30 |
1 |
![]() |
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
7000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
8000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
|
LMK3(BH)- |
4000/5 |
30 |
30 |
30 |
30 |
1 |
|
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
7000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
8000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
|
LMK3(BH)-0.66 80×80 |
800/5 |
10 |
10 |
10 |
10 |
1 |
|
|
1000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1200/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1500/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2500/5 |
15 |
15 |
15 |
15 |
1 |
|||
|
3000/5 |
20 |
20 |
20 |
20 |
1 |
|||
|
4000/5 |
30 |
30 |
30 |
30 |
1 |
|||
|
|
LMK3(BH)-0.66 100×80 |
800/5 |
10 |
10 |
10 |
10 |
1 |
|
|
1000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1200/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1500/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2500/5 |
15 |
15 |
15 |
15 |
1 |
|||
|
3000/5 |
20 |
20 |
20 |
20 |
1 |
|||
|
4000/5 |
30 |
30 |
30 |
30 |
1 |
|||
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
|
LMK3(BH)-0.66 120×80 |
800/5 |
10 |
10 |
10 |
10 |
1 |
|
|
1000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1200/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1500/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2500/5 |
15 |
15 |
15 |
15 |
1 |
|||
|
3000/5 |
20 |
20 |
20 |
20 |
1 |
|||
|
4000/5 |
30 |
30 |
30 |
30 |
1 |
|||
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
![]() |
LMK3(BH)-0.66 |
1000/5 |
5 |
5 |
5 |
5 |
1 |
|
|
1200/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
1500/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2000/5 |
10 |
10 |
10 |
10 |
1 |
|||
|
2500/5 |
15 |
15 |
15 |
15 |
1 |
|||
|
3000/5 |
20 |
20 |
20 |
20 |
1 |
|||
|
4000/5 |
30 |
30 |
30 |
30 |
1 |
|||
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
7000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
8000/5 |
40 |
40 |
40 |
40 |
1 |
|||
![]() |
LMK3(BH)-0.66 |
3000/5 |
20 |
20 |
20 |
20 |
1 |
|
|
4000/5 |
30 |
30 |
30 |
30 |
1 |
|||
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
7000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
8000/5 |
40 |
40 |
40 |
40 |
1 |
|||
![]() |
LMK3(BH)-0.66 |
3000/5 |
20 |
20 |
20 |
20 |
1 |
![]() |
|
4000/5 |
30 |
30 |
30 |
30 |
1 |
|||
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
7000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
8000/5 |
40 |
40 |
40 |
40 |
1 |
|||
![]() |
LMK3(BH)-0.66 |
2000/5 |
10 |
10 |
10 |
10 |
1 |
![]() |
|
2500/5 |
15 |
15 |
15 |
15 |
1 |
|||
|
3000/5 |
20 |
20 |
20 |
20 |
1 |
|||
|
4000/5 |
30 |
30 |
30 |
30 |
1 |
|||
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
7000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
8000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
|
LMK3(BH)-0.66 |
2000/5 |
10 |
10 |
10 |
10 |
1 |
![]() |
|
2500/5 |
15 |
15 |
15 |
15 |
1 |
|||
|
3000/5 |
20 |
20 |
20 |
20 |
1 |
|||
|
4000/5 |
30 |
30 |
30 |
30 |
1 |
|||
|
5000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
6000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
7000/5 |
40 |
40 |
40 |
40 |
1 |
|||
|
8000/5 |
40 |
40 |
40 |
40 |
1 |
|||

















































