THÔNG SỐ KỸ THUẬT CHÍNH:
- Multifunction numerical voltage protection relay
- Can be used in single-phase or three-phase operation
- Low-set undervoltage stage (U<) with definite-time or inverse-time characteristic
- Multi-function isolated digital input with wide input voltage range
- High-set overvoltage stage (U>>) with definite-time
- Fault record and event code recording
- Negative sequence overvoltage protection (U2>) with definite-time or inverse-time characteristic
- Five programmable voltage-free output contacts
- Neutral displacement / residual overvoltage protection (U>) with definite-time or inverse-time characteristic
- Isolated RS485 Modbus - RTU communication