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Iron Cores Series
Product Description:
LMZC series bushing current transformer is suitable for current and energy measurement and microcomputer protection of power supply equipment in 10KV or 33kv power system. Its toroidal core and secondary windings are vacuum-casted with epoxy resin in a flame-retardant plastic housing, stable in performance.
Features:
- High permeability material, silicon steel sheet.
- Half ring core, low magnetic loss,
- Cores in the fire retardant plastic case, and are impregnated with epoxy resin
- Bushing ct of transformer is stable performance.
- Terminal , or can also be with the lead wire.
Specification:
Power factor of load: COSΦ =0.8(lagging);
Rated secondary current: 5A or 1A
Rated frequency : 50HZ or 60HZ
Anti-pollution grade: Class II
Ambient temperature:-15℃ to 40℃ , daily average temperature not more than 30℃
Altitude: ≤ 1000m
| Model | LMZC1-10 | ||||||
| Purpose | Measuring current transformer | Protection current transformer | |||||
| Ratio（A) | Accuracy class and rated burden（VA） | Accuracy class and rated burden（VA） | |||||
| 0.2S | 0.2 | 0.5S | 0.5 | 10P15 | 10P10 | 10P5 | |
| 50 | 1 | 1.5 | 1 | ||||
| 75 | 1 | 1.5 | 2.5 | 2.5 | 1.5 | ||
| 100 | 2.5 | 3.75 | 3.75 | 3.75 | 2 | ||
| 150 | 3.75 | 3.75 | 3.75 | 5 | 2.5 | ||
| 200 | 5 | 5 | 5 | 10 | 1.5 | ||
| 300 | 7.5 | 7.5 | 7.5 | 15 | 2 | ||
| 400 | 10 | 10 | 10 | 20 | 2.5 | ||
| 500 | 15 | 15 | 15 | 25 | 2.5 | ||
| 600 | 20 | 20 | 20 | 30 | 2.5 | ||
| Model | LMZC3-10 | |||||
| Purpose | Measuring current transformer | Protection current transformer | ||||
| Ratio（A) | Accuracy class and rated burden（VA） | Accuracy class and rated burden（VA） | ||||
| 0.2S | 0.2 | 0.5 | 10P15 | 10P10 | 10P5 | |
| 50 | 2.5 | 1 | ||||
| 75 | 2.5 | 1.5 | ||||
| 100 | 2.5 | 2.5 | 2.5 | 2.5 | ||
| 150 | 2.5 | 2.5 | 2.5 | 3.75 | ||
| 200 | 2.5 | 2.5 | 2.5 | 2.5 | 5 | |
| 300 | 5 | 5 | 5 | 2.5 | 3.75 | 7.5 |
| 400 | 5 | 5 | 5 | 2.5 | 5 | 10 |
| 500 | 10 | 10 | 10 | 3.75 | 5 | 10 |
| 600 | 10 | 10 | 10 | 5 | 7.5 | 15 |
Note: The current Ratio above are common type, other specifications 5p20 bushing ct can be provided according to customers’ requirements.
Application:
Widely are used in compact fully insulated ring net switch cabinets, and also used in the combined substation and cable distribution box.
Why choose us?
- Cores all is produced by ourselves, and to test the performance of core. Finished product will be test by instrument transformer calibrator. If find defective if can be rework , will be rework, if not as wasters.
- We own one strong R&D and QC team，and 100%quality inspection is performed before delivery.
- Have the ability to do OEM/ODM to meet clients’ requirements.
- Zhikai has been making iron core for more than 22 years; has been making epoxy resin current transformers in China for 12years.
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