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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 | 100A |
Maximum primary operating current Imax | 100A |
Testing current for DC component 100A/Root 2 | ＜3% |
Rated second current | 40mA |
Transformation ratio | 2500:1 |
User supplied burden resistor | 10Ω |
HI-POT (center OD hold to leadwire) | 3000Vrms, 1min. |
Insulation resistance | >500MΩ/500Vdc |
Accuracy class | 1.0class |
2. Structure and Size
Leads out : Flex UL 1569, AWG26, 300V Rating, 105℃. 170±5mm long out of trafo with 5mm tinned ends
Dimension unit: mm, Dimension Tolerance: ±0.2mm(Unless specificed)
Connector: 1.5pitch
3. Circuit Schmatic
