50A current transformer with DC immunity 2500:1 0.1class
Product Description
Item : 50A DC immune Current Trasnformer
Model No.: ZMDCT02
1. Specification
Characteristics | Values |
Operating frequency | 50 Hz ~ 400 Hz |
Operating temperature | -40℃ ~ 85℃ |
Relative humidity | ≤95% |
Rated primary current Ip | 50A |
Maximum primary operating current Imax | 60A |
Testing current for DC component 100A/Root 2 | ＜3% |
Rated second current | 20mA |
Transformation ratio | 1:2500 |
User supplied burden resistor | 10Ω |
Accurate operating current range | 5%Ip~Imax |
Power frequency withstand voltage | 3Kv/1min |
Insulation resistance | >500MΩ/500Vdc |
Interturn insulation | 50A/1min |
Accuracy class | 0.1class |
Accuracy class | With the percentage(%)of Ip | |||
5 | 20 | 100 | 120 | |
Ratio Error (±%) | 0.4 | 0.2 | 0.1 | 0.1 |
Phase Displacement(±ˊ) | 15 | 8 | 5 | 5 |
2. Structure and Size
Current direction:
Primary current is from K to L, secondary current is from Black line to White line.
3. Dimension
4.Material List:
Material | Spec. model | UL code | Manufacturer | |
1 | Inner core | Nano-crystalline core | / | ZEMING |
2 | Outer core | Amorphous core | / | ZEMING |
3 | Core shell | PBT | E238981 | QINGDAO QINKE ENGINEERING PLASTICS CO |
4 | Winding | 0.13mm, 2500T | E258243 | ELEKTRISOLA HANGZHOU CO LTD |
5 | Shield shell | Steel | / | Runhan |
6 | Epoxy resin | TXH-9201-10 epoxy resin insulating compound | E196959 | TIANJIN XINQIAO INSULATING MATERIAL |
7 | Leading wire | UL1007, 26AWG, Black&White | E315651 | ZHEJIANG CHENGBAO WIRE & CABLE CO |
9 | Connector | Molex 5264-2P | / | Shenzhen Pinshang Electronic |
10 | Tape | Flame retardant, Environmental protection | E165111 | JINGJIANG YAHUA PRESSURE SENSITIVE |