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DPA-300E type microprocessor based PT switching and monitoring device

DPA-220E Microcomputer auxiliary Power backup power supply self-starting device

DPA-200E line backup power supply self-starting device

DPA-100E busbar coupler backup power supply self-starting device​

DPC – 100EC2（C3） type microcomputer capacitor protection device

DPM-200EC2(C3) type microprocessor based motor differential protection and monitoring device

DPM-100EC2(C3) type microprocessor based motor protection and monitoring device

DPL-200EC2(C3)type microprocessor based Bus couple protection and monitoring device

DPL-100EC2(C3) type microprocessor based line protection and monitoring device

DPT-100EC2(C3) type microprocessor based transformer protection and monitoring device