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DC immune current transformer, Application and Features:
1. for electronic energy meters, single-phase and three-phase meters
2.The iron core is made of high quality ferrous amorphous alloy and nanocrystalline alloy material,
and the secondary wire is made of high strength electromagnetic enameled wire, fully epoxy resin seal, with high precision and good linearity.
3.The cases adopts imported flame retardant PBT material with good mechanical and electrical strength.
4.Small size, light weight, easy to install.
product description
1. Specification
Characteristics | Values |
Operating frequency | 50 Hz ~ 400 Hz |
Operating temperature | -40℃ ~ 85℃ |
Relative humidity | ≤95% |
Rated primary current Ip | 5A |
Maximum primary operating current Imax | 100A |
Testing current for DC component 100A/Root 2 | ＜3% |
Rated second current | 2mA |
Transformation ratio | 1:2500 |
User supplied burden resistor | 10Ω |
Power frequency withstand voltage | 3Kv/1min |
Insulation resistance | >500MΩ/500Vdc |
Accuracy class | 0.1class |
Accuracy class | With the percentage(%)of Ip | ||||
5% | 20% | 50% | 100% | 120% | |
Ratio Error (±%) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
Phase Displacement(±ˊ) | 15 | 15 | 15 | 15 | 15 |
2. Product photo
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 | ||
4 | Winding | 2500T | E258243 | ELEKTRISOLA HANGZHOU CO LTD |
5 | Pure copper | Φ5mm, Ni-Plated | / | NANPI RUNHAN ELECTRONIC CO LTD |
6 | Epoxy resin | TXH-9201-10 epoxy resin insulating compound,Black | E196959 | TIANJIN XINQIAO INSULATING MATERIAL CO |
7 | Leading wire | UL1007, 24AWG Black&Red | E315651 | ZHEJIANG CHENGBAO WIRE & CABLE |
9 | Heat-Shrinkable tube | Black | E203950 | SHENZHEN WORE HEAT-SHRINKABLE MATERIAL CO LTD |
10 | Tape | Flame retardant, Environmental protection | E165111 | JINGJIANG YAHUA PRESSURE SENSITIVE |
