120A DC Immune Current Transformer 2500:1 0.2class
Structural parameter
ZMXQD05
120A DC immune current transformer
Main technical parameters
parameters | value |
Operating frequency | 50 Hz ~ 400 Hz |
Operating temperature | -40℃ ~ 85℃ |
Relative humidity | ≤95% |
Rated primary current Ip | 5A |
Maximum primary operating current Imax | 120A |
Testing current for DC component 120A/Root 2 | ＜3% |
Rated second current | 2mA |
Turns ratio | 2500:1 |
Sampling resistor | ≤20Ω |
Accuracy class | 0.2 |
power-frequency withstand voltage | 3Kv/1min |
Insulation resistance | >500MΩ/500Vdc |
Accuracy class | With the percentage(%)of Ip | |||
5 | 20 | 100 | 120 | |
Ratio Error (±%) | 0.2 | 0.2 | 0.2 | 0.2 |
Phase Displacement (±ˊ) | 15 | 15 | 15 | 15 |
Material List
No. | material | Spec. | UL file number |
1 | Inner core | Nanocrystalline core | / |
2 | Outer core | Amorphous core | / |
3 | Core shell | PBT | E238981 |
4 | winding | 2500T | E258243 |
5 | case | Black | E238981 |
6 | Epoxy resin | TXH-9201-10 epoxy resin insulating compound | E196959 |
7 | Leading wire | UL1569, 26#AWG, 105℃, 300V Red, black | E315651 |
8 | Tape | Flame retardant, Environmental protection | E165111 |