Protection and Control Device
The MDP650 series protection and control device offers protection functions such as overcurrent, overvoltage, undervoltage, directional elements, frequency, locked rotor, thermal overload, and excessive motor start time. It also provides automatic control functions and supports customized protection and control solutions tailored to user requirements.
Product Features
• Comprehensive protection including phase, neutral, ground, and sensitive ground time-delay and instantaneous overcurrent
• Voltage-restrained overcurrent, negative-sequence overcurrent, and phase-undercurrent protection
• Phase directional and neutral/ground directional overcurrent protection
• Busbar and line undervoltage/overvoltage protection
• Configurable LED indicators for clear status display and convenient analysis and diagnostics
• Programmable I/O and control logic
• High-resolution waveform recording and data logging, with a sampling rate of 32 points per cycle
• Motor protection functions – locked rotor, excessive start time, and start count monitoring
• USB, RS485, RJ45, and Profibus interfaces
• Multi-protocol support – Modbus RTU and TCP, IEC 60870-5-103, Profibus DP
