Tag: รีเลย์ป้องกันความผิดพลาดของโลก

Mikro-EARTH FAULT PROTECTION RELAY

EARTH FAULT PROTECTION RELAY Products Feature Microprocessor based numerical relay Definite time for low-set & high-set Current measurement based on fundamental frequency Non-volatile fault value recording Low-set earth-fault Programmable relay outputs High-set earth-fault Five selectable IDMT charecteristic curves Local display…