The LSY3-10/107 Three-Phase Integrated Current Transformer is a high-precision, space-saving solution designed for modern medium-voltage switchgear and Ring Main Units (RMU). By integrating three-phase sensing into a single, robust unit, it simplifies installation and significantly reduces the equipment footprint.
Rated Voltage: 12kV / 24kV / 36kV
Rated Frequency: 50Hz / 60Hz (Dual-frequency compatible)
Primary Rated Current (In): 50A to 630A (Custom ratios available)
Secondary Rated Current: 5A or 1A
Accuracy Class:
* Metering: 0.2s, 0.2, 0.5s, 0.5
* Protection: 5P10, 10P10, 10P20
Insulation Class: Class E or Class B (High-grade Epoxy Resin Cast)
Short-time Thermal Current (Ith): Up to 25kA/3s (Customizable)
Rated Dynamic Current (Idyn): Up to 63kA
