LZZBJ9
Metering
Current Transformer
Single
Indoor
Protection, Measurement
Single Layer & Tightly Wound Type
Epoxy Resin
Extension Type
Single Stage Type
Electromagnetic Type
DGG
Export Box
China
8504311000
Product Description
General:
This type of current transformer adopts epoxy-resin vacuum casting and fully enclosed post structure, is applicable for power systems of rated frequency 50Hz or 60Hz rated voltage up to and including 10kV, used for electric energy metering, current measurement, and relay protection, it can be an arbitrary combination of classes 0.2S, 0.2, 0.5 and 10P.
It complies with the standards GB20840.1-2010 Instrument transformers-Part 1: General requirements, GB 20840.2-2014 Instrument transformers- Part 2: Additional requirements for current transformers, and JJG 313-2010 Instrument Current Transformers.
Use environment
- Altitude: should not exceed 1000m
- Ambient temperature:-5ºC~+40ºC
- Air relative site: indoor.
Technical parameter
- Insulation level:12/42/75kV
- Power factor:cosΦ=0.8(lag)
- Rated secondary current: 5A or 1A
- Rated frequency:50Hz or 60Hz
- Weight: 21kg
Transformer ratio
| Rated primary current(A) | Accuracy class | Rated output(VA) | Rated short-time thermal current(kA/s) | Rated insulation level(kA) |
| 5 | 0.2S 0.2S/0.5 0.2S/0.5/10P10 0.2S/10P10 | 10 10/10 10/10/15 10/15 | 0.36 | 0.9 |
| 10 | 0.72 | 1.8 | ||
| 15 | 1.08 | 2.7 | ||
| 20 | 1.44 | 3.6 | ||
| 25 | 1.8 | 4.5 | ||
| 30 | 2.16 | 5.4 | ||
| 40 | 2.88 | 6.3 | ||
| 50 | 3.6 | 7.2 | ||
| 60 | 4.32 | 8.1 | ||
| 75 | 5.4 | 13.5 | ||
| 80 | 5.76 | 14.4 | ||
| 100 | 7.2 | 18 | ||
| 120 | 8.64 | 21.6 | ||
| 150 | 10.8 | 27 | ||
| 200 | 14.4 | 36 | ||
| 250 | 18 | 45 | ||
| 300 | 21.6 | 54 | ||
| 400 | 28.8 | 63 | ||
| 500 | 36 | 72 | ||
| 600 | 43.2 | 108 | ||
| 800 | 57.6 | 120 | ||
| 1000-1500 | 72 | 144 |
