Three-phase current transformer for motor protection
Main Characteristics
* Wide overload and excellent consistent ;
* Different input current can be converted into a unified standard value ,which is convenient for signal acquisition;
* Various installation methods, optional PCB installation and bolt fixing methods.
* Various shape structures are available .
Application
Widely used in AC motors ,air compressors, lighting ,heating ,ventilation and other devices in various places for current monitoring and protection ;power management ,automatic control systems for buildings ;
Specification
Electrical performance | Operation temperature | -25℃～+55℃/- 40℃~～+85℃ optional |
Relative humidity |
≤90%hPa |
Internal insulation |
Epoxy resin | Insulation resistance |
＞500 M Ohms/500Vdc | |
Medium strength |
2500Vac/min | Withstand impulse voltage | 5000V（1.2/50μs Standard Lightning Wave） | |
Operation frequency |
50～400Hz |
Accuracy class | According to （IEC 61869-2) or
（GB 20840.2-2014） accuracy 0.5，1.0 class | |
Environmental friendly | According to the requirement of RoHS; |
Certification | According to CE |
Model Definitions
Typical Value of Products