HDPU-820 series microcomputer monitoring device

HDPU-810 series microcomputer monitoring device

HDPQ-810 series microcomputer quasi-synchronization device

HDPJ-820 series microcomputer automatic splitting device

HDPJ-810 series microcomputer automatic splitting device

HDPA-830 microcomputer PT switching and low-voltage protector

HDPA-822 backup power supply self-starting and self-reset device

HDPA-820 line backup power supply self-starting device

HDPA-810 busbar coupler backup power supply self-starting and self-reset device

HDPR-820C2(C3)microcomputer reactor protection and monitoring device

HDPR-810C2(C3)microcomputer reactor protection and monitoring device

HDPC-830C2(C3)microcomputer capacitor protector

HDPC-820C2(C3) microcomputer capacitor protector

HDPC-810C2(C3) microcomputer capacitor protector

HDPM-820C2(C3)Motor difference protection and monitoring device

HDPM-810C2(C3)Motor protection and monitoring device

HDPL-850 microcomputer line optical fiber longitudinal difference protector

HDPL-820 type microcomputer based bus couple protection and monitoring device

HDPL-810C2(C3) type microcomputer line protection and monitoring device

HDPT-840C2(C3) microcomputer station transformer protection and monitoring device

HDPT-830 transformer protector for neutral not-grounded side

HDPT-820 transformer protector for neutral grounded side

HDPT-800 transformer difference protector

HDPG-830 microcomputer generator ground protector

HDPG-820 microcomputer generator backup protector

HDPG-810 microcomputer generator difference protector