Product

QYW-DS series intelligent multi-function protector is a special protection device with fully sealed transformer with RS485 communication function, which can provide the transformer with heavy gas protection, pressure over-limit protection, light gas protection, low oil level protection, oil level display ( Oil level gauge), oil surface temperature display, oil surface temperature high temperature alarm, oil surface temperature ultra high temperature alarm, and also has the functions of oil injection, oil replenishment, pressure release and pressure release device (optional) with live contact output RS485 communication and Modbus-RTU communication can greatly facilitate the power supply department to monitor the operation of the hermetically sealed transformer in real time and diagnose transformer faults. It is suitable for intelligent hermetically sealed transformers and intelligent box-type substations.