MD-800R series color screen microcomputer protection device is specially developed for box variable, ring network cabinet, small switchgear and other system applications, and can be integrated into the circuit breaker or load switch and fuse cabinet. Phase current protection with a variety of operating characteristic curves
It has phase current protection, zero sequence overcurrent protection and external contact direct tripping functions with various operating characteristic curves, and can be applied to busbar, line, distribution transformer, motor, capacitor and other protection occasions.