อุปกรณ์ป้องกันไฟฟ้าเกิน ไฟฟ้าล่วงเกิน และไฟฟ้าตก แบบดิจิตอล แสดงผลคู่ ปรับค่าได้ 63A 220V พร้อมรีเลย์ป้องกันแบบรีเซ็ตอัตโนมัติ

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