SD-ZLD2 Series Current Protection Relay
Characteristics：
SD-ZLD2 type(SD-ZLD2G type is rail-style installation) current protection relay(hereinafter,current relay) is a kind of protection device for power generator, voltage transformer, power-transmission lines, as the starting element of the power system AC circuit overload or short circuit to give off alarms or cut off the fault circuit.
The product is using microcomputer-controlled chip, having the features such as wide range of measurement, high precision, alarm time delay and operating time delay can be set and controlled separately. Used together with SD-LJD(LXK) series ZCT and executing relay to form a complete zero sequence(ground) protection system. It applies to power system up to AC690V.
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